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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Jake Bowley; Craig Baker-Austin; Steve Michell; Ceri Lewis;

    Microplastics are small (<5 mm) plastic particles of varying shapes and polymer types that are now widespread global contaminants of marine and freshwater ecosystems. Various estimates suggest that several trillions of microplastic particles are present in our global oceanic system, and that these are readily ingested by a wide range of marine and freshwater species across feeding modes and ecological niches. Here, we present some of the key and pressing issues associated with these globally important contaminants from a microbiological perspective. We discuss the potential mechanisms of pathogen attachment to plastic surfaces. We then describe the ability of pathogens (both human and animal) to form biofilms on microplastics, as well as dispersal of these bacteria, which might lead to their uptake into aquatic species ingesting microplastic particles. Finally, we discuss the role of a changing oceanic system on the potential of microplastic-associated pathogens to cause various disease outcomes using numerous case studies. We set out some key and imperative research questions regarding this globally important issue and present a methodological framework to study how and why plastic-associated pathogens should be addressed.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    OceanRep
    Article . 2022 . Peer-reviewed
    Data sources: OceanRep
    Emerging Topics in Life Sciences
    Article . 2022 . Peer-reviewed
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      OceanRep
      Article . 2022 . Peer-reviewed
      Data sources: OceanRep
      Emerging Topics in Life Sciences
      Article . 2022 . Peer-reviewed
      Data sources: Crossref
      addClaim

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Jake Bowley; Craig Baker-Austin; Steve Michell; Ceri Lewis;

    Microplastics are small (<5 mm) plastic particles of varying shapes and polymer types that are now widespread global contaminants of marine and freshwater ecosystems. Various estimates suggest that several trillions of microplastic particles are present in our global oceanic system, and that these are readily ingested by a wide range of marine and freshwater species across feeding modes and ecological niches. Here, we present some of the key and pressing issues associated with these globally important contaminants from a microbiological perspective. We discuss the potential mechanisms of pathogen attachment to plastic surfaces. We then describe the ability of pathogens (both human and animal) to form biofilms on microplastics, as well as dispersal of these bacteria, which might lead to their uptake into aquatic species ingesting microplastic particles. Finally, we discuss the role of a changing oceanic system on the potential of microplastic-associated pathogens to cause various disease outcomes using numerous case studies. We set out some key and imperative research questions regarding this globally important issue and present a methodological framework to study how and why plastic-associated pathogens should be addressed.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    OceanRep
    Article . 2022 . Peer-reviewed
    Data sources: OceanRep
    Emerging Topics in Life Sciences
    Article . 2022 . Peer-reviewed
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      OceanRep
      Article . 2022 . Peer-reviewed
      Data sources: OceanRep
      Emerging Topics in Life Sciences
      Article . 2022 . Peer-reviewed
      Data sources: Crossref
      addClaim

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Heron, Alex; Rinderknecht, Frank;

    The aim of this publication is a comparison of a wide selection of range extender technologies. Thereby a large amount of criteria are looked into. This assures that the comparison is feasible for a diversity of performance specifications. Hence an information level is achieved, that allows for a justified choice of technology according to the desired range extended electric vehicle concept.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    DLR publication server
    Conference object . 2013
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    DLR publication server
    Other literature type . 2013
    https://doi.org/10.1109/ever.2...
    Conference object . 2013 . Peer-reviewed
    Data sources: Crossref
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    24
    citations24
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      DLR publication server
      Conference object . 2013
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      DLR publication server
      Other literature type . 2013
      https://doi.org/10.1109/ever.2...
      Conference object . 2013 . Peer-reviewed
      Data sources: Crossref
      addClaim

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Heron, Alex; Rinderknecht, Frank;

    The aim of this publication is a comparison of a wide selection of range extender technologies. Thereby a large amount of criteria are looked into. This assures that the comparison is feasible for a diversity of performance specifications. Hence an information level is achieved, that allows for a justified choice of technology according to the desired range extended electric vehicle concept.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    DLR publication server
    Conference object . 2013
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    DLR publication server
    Other literature type . 2013
    https://doi.org/10.1109/ever.2...
    Conference object . 2013 . Peer-reviewed
    Data sources: Crossref
    addClaim

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    24
    citations24
    popularityTop 10%
    influenceTop 10%
    impulseTop 10%
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    more_vert
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      DLR publication server
      Conference object . 2013
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      DLR publication server
      Other literature type . 2013
      https://doi.org/10.1109/ever.2...
      Conference object . 2013 . Peer-reviewed
      Data sources: Crossref
      addClaim

      This Research product is the result of merged Research products in OpenAIRE.

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Tsouros, Ioannis;

    Η κλιματική αλλαγή είναι μια από τις σημαντικότερες ανησυχίες για το μέλλον της ανθρωπότητας τον 21ο αιώνα. Ακόμα και η παρουσία της ανθρωπότητας στον πλανήτη μπορεί να θεωρηθεί επισφαλής, ειδικά όταν εξετάσουμε σε βάθος τη δυσμενή επίδραση της ανθρώπινης δραστηριότητας και της ανάπτυξης στο περιβάλλον. Οι προβλέψεις του τρέχοντος σεναρίου για το έτος 2100 αναφέρουν αύξηση της θερμοκρασίας κατά 4 ° C. Τέτοιας τάξης αλλαγή δεν έχει συμβεί στο παγκόσμιο κλίμα από το 20.000 π.Χ. Οι αυξανόμενες εκπομπές από τη χρήση ορυκτών καυσίμων επηρεάζουν αρνητικά μια σειρά περιβαλλοντικών παραγόντων και επηρεάζουν την ανθρώπινη ζωή: από την ποιότητα ζωής έως μακροπρόθεσμες επιπτώσεις στην υγεία, μακροοικονομικές μεταβολές, μετακίνηση ανθρώπινων πληθυσμών (πρόσφυγες κλιματικής αλλαγής), την κοινωνική δικαιοσύνη και βεβαίως την ποιότητα του περιβάλλοντος και της ζωής ως συνόλου. Ο τομέας των μεταφορών συντείνει σημαντικά στις εκπομπές αερίων. Για το λόγο αυτό, μια πληθώρα διεθνών και εθνικών οργανώσεων οργανώνουν τις «απαντήσεις» στις αυξανόμενες αυτές εκπομπές, οι οποίες μπορούν να ομαδοποιηθούν κάτω από τον όρο «βιώσιμες» ή «πράσινες» μεταφορές. Η εργασία αυτή διερευνά την έννοια της πράσινης, βιώσιμης μεταφοράς σε βάθος. Η διατριβή δημιουργεί ένα καινοτόμο πλαίσιο για την ανάλυση της διαδικασίας λήψης αποφάσεων σε θέματα μεταφορών και δραστηριοτήτων και σχεδιάζει και κατασκευάζει ένα διαδραστικό εργαλείο αξιολόγησης πολιτικής που βασίζεται στην οικονομετρική μοντελοποίηση. Η οικονομετρική μοντελοποίηση γίνεται σε τρεις διαφορετικές βαθμίδες. Το καθημερινό επίπεδο ρυθμών, που ασχολείται με την καθημερινή δραστηριότητα και τις μεταφορικές επιλογές των ατόμων και τον τρόπο με τον οποίο ο τρόπος ζωής τους μπορεί να επηρεάσει αυτές τις επιλογές. Το δεύτερο επίπεδο εξετάζει μέτρα «ελαφρών» υποδομών (ποδηλατόδρομοι, πεζοδρομήσεις) και διερευνά το αποτέλεσμα των παρεμβάσεων στο σύστημα μεταφορών μέσω μετρήσιμων βασικών δεικτών απόδοσης και προσομοίωσης. Το τρίτο επίπεδο εξετάζει την μελλοντική αγορά οχήματος, ειδικότερα οχημάτων με εναλλακτικά καύσιμα και αυτόνομων οχημάτων και παρέχει πληροφορίες για το μελλοντικό μείγμα στόλου και το αποτέλεσμα που θα έχει στις εκπομπές και το κόστος καυσίμων. Το επίπεδο ρυθμών περιλαμβάνει την επίδραση του τρόπου ζωής, συγκρίνοντας το δείγμα από τα δεδομένα που συλλέχθηκαν στη Χίο με μια βάση δεδομένων από την Αθήνα. Αυτή η σύγκριση δείχνει αποτελεσματικά την ετερογένεια των δύο περιοχών, τις διαφορές στις χωρικές και χρονικές επιλογές και την επίδραση που έχει ο τρόπος ζωής σε αυτές. Από πολιτική άποψη παρουσιάζει αιτιολόγηση για εξειδικευμένες λύσεις βάσει τοποθεσίας και προσεκτική εξέταση των κανόνων, των ρυθμών και των επιλογών του τρόπου ζωής στην περιοχή μελέτης κατά την εφαρμογή των δεσμών πολιτικής και μέτρων. Το κεφάλαιο που εξετάζει την επίδραση των μέτρων προώθησης της ενεργητικής μετακίνησης χρησιμοποιεί μια προσομοίωση της περιοχής μελέτης για να μετρήσει το αποτέλεσμα της δημιουργίας ποδηλατοδρόμων και πεζοδρομήσεων ορισμένων συνδέσμων στην περιοχή μελέτης. Η ανάλυση παρέχει μετρήσιμα αποτελέσματα μέσω της χρήσης διαφόρων δεικτών απόδοσης (KPIs), όπως επιβατοχιλιόμετρα, μερίδιο ενεργών μεταφορών, καθημερινά ατυχήματα και ροών κυκλοφορίας. Το τρίτο επίπεδο ανάλυσης αφορά την μελλοντική αγορά στόλου. Χρησιμοποιεί μια προσέγγιση με πειράματα δεδηλωμένης προτίμησης, η οποία επιτρέπει στους ερωτηθέντες να δημιουργούν το ιδανικό τους όχημα χρησιμοποιώντας διάφορα χαρακτηριστικά (συμπεριλαμβανομένου του εναλλακτικού καυσίμου και του επιπέδου αυτοματισμού), ενώ παράλληλα παρουσιάζουν μια λογική τιμολόγηση σε αυτά. Η ανάλυση διεξάγεται χρησιμοποιώντας ένα μοντέλο υβριδικής επιλογής (hybrid choice model), με λανθάνουσες μεταβλητές που αποσκοπούν από τη μία στην διερεύνηση της επίδρασης των στάσεων και των αντιλήψεων στη διαδικασία λήψης απόφασης και από την άλλη στη μείωση της αβεβαιότητας και των σφαλμάτων κατά την μοντελοποίηση. Η διατριβή παρέχει επίσης παρουσιάζει τη δημιουργία, το σχεδιασμό και την υλοποίηση του εργαλείου πλατφόρμας πολιτικής. Το εργαλείο είναι διαδραστικό με την έννοια ότι ο χρήστης μπορεί να ελέγξει διάφορες μεταβλητές και να δει τα αποτελέσματα, συγκρίνοντας τα διάφορα μέτρα πολιτικής και σενάρια. Είναι κωδικοποιημένο σε R και αναπτύσσεται ως μια ιστοσελίδα, με μια φιλική προς το χρήστη διεπαφή που δεν απαιτεί ειδικές γνώσεις για να λειτουργήσει. Η διατριβή χρησιμοποιεί δείγμα 1288 ατόμων, περίπου το 2% του πληθυσμού της Χίου. Η συλλογή στοιχείων πραγματοποιείται μέσω μιας σειράς ηλεκτρονικών ερωτηματολογίων που περιλαμβάνουν ένα οικογενειακό και ατομικό ερωτηματολόγιο, ένα πείραμα δηλωμένης προτίμησης, ένα ημερολόγιο δραστηριοτήτων και συνοδεύεται από συσκευές GPS για να υποστηρίξουν το ημερολόγιο δραστηριοτήτων. Η συμβολή της διατριβής εντοπίζεται σε πολλά σημεία. Πρώτον, η εργασία εξετάζει την έννοια των βιώσιμων μεταφορών και της ανθρώπινης συμπεριφοράς που σχετίζεται με αυτήν χρησιμοποιώντας μια πολυεπίπεδη ανάλυση που εκτείνεται από την καθημερινή ζωή των ατόμων ως τις μελλοντικές, μακροπρόθεσμες αποφάσεις. Δεύτερον, χρησιμοποιεί μια σειρά αναλυτικών εργαλείων για να απαντήσει στα ερευνητικά ερωτήματα: καινοτόμα οικονομετρικά μοντέλα, προσομοίωση των μεταφορών και δημιουργεί ένα εργαλείο διαδραστικής υποστήριξης της λήψης αποφάσεων που αναπτύχθηκε εξολοκλήρου στα πλαίσια της διατριβής. Αποτελέι μια σφαιρική εξερεύνηση και επίδειξη των διαθέσιμων αναλυτικών εργαλείων. Επιπλέον, η μελέτη περίπτωσης που διεξάγεται σε μια νησιωτική περιοχή παρέχει μια εικόνα για τη συμπεριφορά, τις επιλογές και τις ιδιαιτερότητες μιας περιοχής που η μικρότερη κλίμακα, οι ομαλότερες επεμβάσεις μπορεί να είναι πιο επιτυχείς από τις απότομες, ξαφνικές αλλαγές. Ο τρόπος ζωής της περιοχής μελέτης διαδραματίζει σημαντικό ρόλο στη διεξαχθείσα ανάλυση. Τα ευρήματα από την ανάλυση αυτή συμβάλλουν στη δυνατότητα μεταφοράς των μοντέλων σε άλλες περιοχές και κλίμακες. Τέλος, η διατριβή παρέχει χρήσιμες πληροφορίες για τα μέτρα πολιτικής που πρέπει να ληφθούν υπόψη για την αλλαγή της ανθρώπινης συμπεριφοράς, την προσέλκυση περισσότερων πολιτών στη χρήση αειφόρων μέσων μεταφοράς και τη βελτίωση του βιοτικού επιπέδου, ελαχιστοποιώντας παράλληλα το εξωτερικό κόστος των μεταφορών. Climate change is one of the most prominent concerns for the future of humanity in the 21st century. The presence of humanity in the planet may be viewed as precarious, especially when considering the adverse effects of human activity and development. The current scenario predictions for year 2100 is a 4°C temperature growth. A 4 degree change has not happened in the global climate since 20.000 BC. Growing emissions from the use of fossil fuels negatively affects a series of environmental factors and is affects human life from every-day quality of life to long-term health effects, macroeconomic change, movement in human population, social equity and of course, the quality of the environement and life as a whole. A major contributor of these emissions is the transportation sector. For this reason, a multitude of international and national organizations have proposed an answer to the growing emissions, which can be grouped under the term sustainable or “green” transportation. This thesis explores the notion of green, sustainable transportation in depth. The thesis creates an innovative framework for the analysis of decision-making process in transport and activity related matters and it designs and crafts an interactive policy assesment tool that is based on econometric modelling. The econometric modelling is done in three different tiers, the everyday rhythms tier, that is concerned with the everyday activity and transport choices of individuals and how their lifestyle can affect these choices, the light infrastructure tier that explores the effect of active transport friendly interventions in the transport system via measurable key performance indicators and the future fleet purchase tier that provides insight into the future fleet mixture and the effect it will have on the emissions and fuel cost. The daily rhtyhms tier includes the effect of lifestyle by comparing the sample from collected data in Chios island to a database from Athens, Greece. This comparison effectively demostrates the heterogeneity of the two areas, the differences in spatial and temporal choices and the effect that lifestyle has on them. Policy-wise it presents justification for tailor-made, location-based solutions and careful consideration of norms, rhythms and lifestyle choices of the study area when applying policy bundles. The chapter discussing the effect of active transport promoting measures uses a simulation of the study area to measure the effect of the creation of bike lanes and the pedestrianization of certain links in the study area. The analysis provides measurable outcome through the usage of various KPIs, such as passenger kilometers, share of active transport, daily accidents and traffic levels. The third analysis tier is concerned with future fleet purchase. It utilizes a menu-based, build-your-own, experiment approach allowing survey respondents to create their ideal vehicle using various attributes (including alternative fuel and automation level) while presenting a reasonable pricing to them. The analysis is conducted using a hybrid choice model, with latent variables aiming to reduce uncertainty and errors in the decrypting of the decision-making process. The thesis also provides insight into the creation, design and implementation of the policy platform tool. The tool is interactive in the sense that the user can control various variables and view the output, comparing the different policy measures and scenarios. It is coded in R and developed as a webpage, in a user-friendly user interface that does not require special understanding to operate. The thesis uses a sample of 1288, roughly 2% of the population of individuals from the island of Chios, Greece. The data collection is realized through a series of electronic questionnaires including a household and an individual questionnaire, a stated-preference experiment, an activity diary and accompanied by GPS devices to assist the activity diary. The contribution of the thesis can be found on several topics. First, the thesis explores the notion of sustainable transport and the human behavior that is related to it using a multi-tier analysis that spans from every-day life of individuals to future, long-term decisions. Secondly, it uses a series of analytical tools to answer the research questions, innovative econometric models, transport simulation and a in-house developed interactive decision-making tool. It is a spherical exploration of the available analytical tools, each of which used provides the specific insight for which it was used. Additionally, the case study that is conducted in an insular, island area provides insight into the behavior, choices and particularities of an area that smaller scale, smoother interventions may be more succesful than abrupt, sudden changes. The lifestyle of the study area plays a significant role in the conducted analysis. Findings from this analysis contribute to the transferability of models. Finally, the thesis provides useful insight into various policy measures that should be considered for changing the human behavior, attracting more citizens to using sustainable means of transport and improving the stanard of living while minimizing the external cost of transportation.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Institutional Reposi...arrow_drop_down
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    Doctoral thesis . 2018
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Institutional Reposi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Tsouros, Ioannis;

    Η κλιματική αλλαγή είναι μια από τις σημαντικότερες ανησυχίες για το μέλλον της ανθρωπότητας τον 21ο αιώνα. Ακόμα και η παρουσία της ανθρωπότητας στον πλανήτη μπορεί να θεωρηθεί επισφαλής, ειδικά όταν εξετάσουμε σε βάθος τη δυσμενή επίδραση της ανθρώπινης δραστηριότητας και της ανάπτυξης στο περιβάλλον. Οι προβλέψεις του τρέχοντος σεναρίου για το έτος 2100 αναφέρουν αύξηση της θερμοκρασίας κατά 4 ° C. Τέτοιας τάξης αλλαγή δεν έχει συμβεί στο παγκόσμιο κλίμα από το 20.000 π.Χ. Οι αυξανόμενες εκπομπές από τη χρήση ορυκτών καυσίμων επηρεάζουν αρνητικά μια σειρά περιβαλλοντικών παραγόντων και επηρεάζουν την ανθρώπινη ζωή: από την ποιότητα ζωής έως μακροπρόθεσμες επιπτώσεις στην υγεία, μακροοικονομικές μεταβολές, μετακίνηση ανθρώπινων πληθυσμών (πρόσφυγες κλιματικής αλλαγής), την κοινωνική δικαιοσύνη και βεβαίως την ποιότητα του περιβάλλοντος και της ζωής ως συνόλου. Ο τομέας των μεταφορών συντείνει σημαντικά στις εκπομπές αερίων. Για το λόγο αυτό, μια πληθώρα διεθνών και εθνικών οργανώσεων οργανώνουν τις «απαντήσεις» στις αυξανόμενες αυτές εκπομπές, οι οποίες μπορούν να ομαδοποιηθούν κάτω από τον όρο «βιώσιμες» ή «πράσινες» μεταφορές. Η εργασία αυτή διερευνά την έννοια της πράσινης, βιώσιμης μεταφοράς σε βάθος. Η διατριβή δημιουργεί ένα καινοτόμο πλαίσιο για την ανάλυση της διαδικασίας λήψης αποφάσεων σε θέματα μεταφορών και δραστηριοτήτων και σχεδιάζει και κατασκευάζει ένα διαδραστικό εργαλείο αξιολόγησης πολιτικής που βασίζεται στην οικονομετρική μοντελοποίηση. Η οικονομετρική μοντελοποίηση γίνεται σε τρεις διαφορετικές βαθμίδες. Το καθημερινό επίπεδο ρυθμών, που ασχολείται με την καθημερινή δραστηριότητα και τις μεταφορικές επιλογές των ατόμων και τον τρόπο με τον οποίο ο τρόπος ζωής τους μπορεί να επηρεάσει αυτές τις επιλογές. Το δεύτερο επίπεδο εξετάζει μέτρα «ελαφρών» υποδομών (ποδηλατόδρομοι, πεζοδρομήσεις) και διερευνά το αποτέλεσμα των παρεμβάσεων στο σύστημα μεταφορών μέσω μετρήσιμων βασικών δεικτών απόδοσης και προσομοίωσης. Το τρίτο επίπεδο εξετάζει την μελλοντική αγορά οχήματος, ειδικότερα οχημάτων με εναλλακτικά καύσιμα και αυτόνομων οχημάτων και παρέχει πληροφορίες για το μελλοντικό μείγμα στόλου και το αποτέλεσμα που θα έχει στις εκπομπές και το κόστος καυσίμων. Το επίπεδο ρυθμών περιλαμβάνει την επίδραση του τρόπου ζωής, συγκρίνοντας το δείγμα από τα δεδομένα που συλλέχθηκαν στη Χίο με μια βάση δεδομένων από την Αθήνα. Αυτή η σύγκριση δείχνει αποτελεσματικά την ετερογένεια των δύο περιοχών, τις διαφορές στις χωρικές και χρονικές επιλογές και την επίδραση που έχει ο τρόπος ζωής σε αυτές. Από πολιτική άποψη παρουσιάζει αιτιολόγηση για εξειδικευμένες λύσεις βάσει τοποθεσίας και προσεκτική εξέταση των κανόνων, των ρυθμών και των επιλογών του τρόπου ζωής στην περιοχή μελέτης κατά την εφαρμογή των δεσμών πολιτικής και μέτρων. Το κεφάλαιο που εξετάζει την επίδραση των μέτρων προώθησης της ενεργητικής μετακίνησης χρησιμοποιεί μια προσομοίωση της περιοχής μελέτης για να μετρήσει το αποτέλεσμα της δημιουργίας ποδηλατοδρόμων και πεζοδρομήσεων ορισμένων συνδέσμων στην περιοχή μελέτης. Η ανάλυση παρέχει μετρήσιμα αποτελέσματα μέσω της χρήσης διαφόρων δεικτών απόδοσης (KPIs), όπως επιβατοχιλιόμετρα, μερίδιο ενεργών μεταφορών, καθημερινά ατυχήματα και ροών κυκλοφορίας. Το τρίτο επίπεδο ανάλυσης αφορά την μελλοντική αγορά στόλου. Χρησιμοποιεί μια προσέγγιση με πειράματα δεδηλωμένης προτίμησης, η οποία επιτρέπει στους ερωτηθέντες να δημιουργούν το ιδανικό τους όχημα χρησιμοποιώντας διάφορα χαρακτηριστικά (συμπεριλαμβανομένου του εναλλακτικού καυσίμου και του επιπέδου αυτοματισμού), ενώ παράλληλα παρουσιάζουν μια λογική τιμολόγηση σε αυτά. Η ανάλυση διεξάγεται χρησιμοποιώντας ένα μοντέλο υβριδικής επιλογής (hybrid choice model), με λανθάνουσες μεταβλητές που αποσκοπούν από τη μία στην διερεύνηση της επίδρασης των στάσεων και των αντιλήψεων στη διαδικασία λήψης απόφασης και από την άλλη στη μείωση της αβεβαιότητας και των σφαλμάτων κατά την μοντελοποίηση. Η διατριβή παρέχει επίσης παρουσιάζει τη δημιουργία, το σχεδιασμό και την υλοποίηση του εργαλείου πλατφόρμας πολιτικής. Το εργαλείο είναι διαδραστικό με την έννοια ότι ο χρήστης μπορεί να ελέγξει διάφορες μεταβλητές και να δει τα αποτελέσματα, συγκρίνοντας τα διάφορα μέτρα πολιτικής και σενάρια. Είναι κωδικοποιημένο σε R και αναπτύσσεται ως μια ιστοσελίδα, με μια φιλική προς το χρήστη διεπαφή που δεν απαιτεί ειδικές γνώσεις για να λειτουργήσει. Η διατριβή χρησιμοποιεί δείγμα 1288 ατόμων, περίπου το 2% του πληθυσμού της Χίου. Η συλλογή στοιχείων πραγματοποιείται μέσω μιας σειράς ηλεκτρονικών ερωτηματολογίων που περιλαμβάνουν ένα οικογενειακό και ατομικό ερωτηματολόγιο, ένα πείραμα δηλωμένης προτίμησης, ένα ημερολόγιο δραστηριοτήτων και συνοδεύεται από συσκευές GPS για να υποστηρίξουν το ημερολόγιο δραστηριοτήτων. Η συμβολή της διατριβής εντοπίζεται σε πολλά σημεία. Πρώτον, η εργασία εξετάζει την έννοια των βιώσιμων μεταφορών και της ανθρώπινης συμπεριφοράς που σχετίζεται με αυτήν χρησιμοποιώντας μια πολυεπίπεδη ανάλυση που εκτείνεται από την καθημερινή ζωή των ατόμων ως τις μελλοντικές, μακροπρόθεσμες αποφάσεις. Δεύτερον, χρησιμοποιεί μια σειρά αναλυτικών εργαλείων για να απαντήσει στα ερευνητικά ερωτήματα: καινοτόμα οικονομετρικά μοντέλα, προσομοίωση των μεταφορών και δημιουργεί ένα εργαλείο διαδραστικής υποστήριξης της λήψης αποφάσεων που αναπτύχθηκε εξολοκλήρου στα πλαίσια της διατριβής. Αποτελέι μια σφαιρική εξερεύνηση και επίδειξη των διαθέσιμων αναλυτικών εργαλείων. Επιπλέον, η μελέτη περίπτωσης που διεξάγεται σε μια νησιωτική περιοχή παρέχει μια εικόνα για τη συμπεριφορά, τις επιλογές και τις ιδιαιτερότητες μιας περιοχής που η μικρότερη κλίμακα, οι ομαλότερες επεμβάσεις μπορεί να είναι πιο επιτυχείς από τις απότομες, ξαφνικές αλλαγές. Ο τρόπος ζωής της περιοχής μελέτης διαδραματίζει σημαντικό ρόλο στη διεξαχθείσα ανάλυση. Τα ευρήματα από την ανάλυση αυτή συμβάλλουν στη δυνατότητα μεταφοράς των μοντέλων σε άλλες περιοχές και κλίμακες. Τέλος, η διατριβή παρέχει χρήσιμες πληροφορίες για τα μέτρα πολιτικής που πρέπει να ληφθούν υπόψη για την αλλαγή της ανθρώπινης συμπεριφοράς, την προσέλκυση περισσότερων πολιτών στη χρήση αειφόρων μέσων μεταφοράς και τη βελτίωση του βιοτικού επιπέδου, ελαχιστοποιώντας παράλληλα το εξωτερικό κόστος των μεταφορών. Climate change is one of the most prominent concerns for the future of humanity in the 21st century. The presence of humanity in the planet may be viewed as precarious, especially when considering the adverse effects of human activity and development. The current scenario predictions for year 2100 is a 4°C temperature growth. A 4 degree change has not happened in the global climate since 20.000 BC. Growing emissions from the use of fossil fuels negatively affects a series of environmental factors and is affects human life from every-day quality of life to long-term health effects, macroeconomic change, movement in human population, social equity and of course, the quality of the environement and life as a whole. A major contributor of these emissions is the transportation sector. For this reason, a multitude of international and national organizations have proposed an answer to the growing emissions, which can be grouped under the term sustainable or “green” transportation. This thesis explores the notion of green, sustainable transportation in depth. The thesis creates an innovative framework for the analysis of decision-making process in transport and activity related matters and it designs and crafts an interactive policy assesment tool that is based on econometric modelling. The econometric modelling is done in three different tiers, the everyday rhythms tier, that is concerned with the everyday activity and transport choices of individuals and how their lifestyle can affect these choices, the light infrastructure tier that explores the effect of active transport friendly interventions in the transport system via measurable key performance indicators and the future fleet purchase tier that provides insight into the future fleet mixture and the effect it will have on the emissions and fuel cost. The daily rhtyhms tier includes the effect of lifestyle by comparing the sample from collected data in Chios island to a database from Athens, Greece. This comparison effectively demostrates the heterogeneity of the two areas, the differences in spatial and temporal choices and the effect that lifestyle has on them. Policy-wise it presents justification for tailor-made, location-based solutions and careful consideration of norms, rhythms and lifestyle choices of the study area when applying policy bundles. The chapter discussing the effect of active transport promoting measures uses a simulation of the study area to measure the effect of the creation of bike lanes and the pedestrianization of certain links in the study area. The analysis provides measurable outcome through the usage of various KPIs, such as passenger kilometers, share of active transport, daily accidents and traffic levels. The third analysis tier is concerned with future fleet purchase. It utilizes a menu-based, build-your-own, experiment approach allowing survey respondents to create their ideal vehicle using various attributes (including alternative fuel and automation level) while presenting a reasonable pricing to them. The analysis is conducted using a hybrid choice model, with latent variables aiming to reduce uncertainty and errors in the decrypting of the decision-making process. The thesis also provides insight into the creation, design and implementation of the policy platform tool. The tool is interactive in the sense that the user can control various variables and view the output, comparing the different policy measures and scenarios. It is coded in R and developed as a webpage, in a user-friendly user interface that does not require special understanding to operate. The thesis uses a sample of 1288, roughly 2% of the population of individuals from the island of Chios, Greece. The data collection is realized through a series of electronic questionnaires including a household and an individual questionnaire, a stated-preference experiment, an activity diary and accompanied by GPS devices to assist the activity diary. The contribution of the thesis can be found on several topics. First, the thesis explores the notion of sustainable transport and the human behavior that is related to it using a multi-tier analysis that spans from every-day life of individuals to future, long-term decisions. Secondly, it uses a series of analytical tools to answer the research questions, innovative econometric models, transport simulation and a in-house developed interactive decision-making tool. It is a spherical exploration of the available analytical tools, each of which used provides the specific insight for which it was used. Additionally, the case study that is conducted in an insular, island area provides insight into the behavior, choices and particularities of an area that smaller scale, smoother interventions may be more succesful than abrupt, sudden changes. The lifestyle of the study area plays a significant role in the conducted analysis. Findings from this analysis contribute to the transferability of models. Finally, the thesis provides useful insight into various policy measures that should be considered for changing the human behavior, attracting more citizens to using sustainable means of transport and improving the stanard of living while minimizing the external cost of transportation.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Institutional Reposi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Institutional Repository Hellanicus
    Doctoral thesis . 2018
    License: CC BY NC SA
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Institutional Reposi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      Doctoral thesis . 2018
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    Authors: C. Bommarito; S. Noè; D.M. Díaz-Morales; I. Lukić; +4 Authors

    Climate change is driving compositional shifts in ecological communities directly by affecting species and indirectly through changes in species interactions. For example, competitive hierarchies can be inversed when competitive dominants are more susceptible to climate change. The brown seaweed Fucus vesiculosus is a foundation species in the Baltic Sea, experiencing novel interactions with the invasive red seaweed Gracilaria vermiculophylla, which is known for its high tolerance to environmental stress. We investigated the direct and interactive effects of warming and co-occurrence of the two algal species on their performance, by applying four climate change-relevant temperature scenarios: 1) cooling ) 2 °C below ambient - representing past conditions), 2) ambient summer temperature (18 °C), 3) IPCC RCP2.6 warming scenario (1 °C above ambient), and 4) RCP8.5 warming (3 °C above ambient) for 30 days and two compositional levels (mono and co-cultured algae) in a fully-crossed design. The RCP8.5 warming scenario increased photosynthesis, respiration, and nutrients' uptake rates of mono- and co-cultured G. vermiculophylla while growth was reduced. An increase in photosynthesis and essential nutrients' uptake and, at the same time, a growth reduction might result from increasing stress and energy demand of G. vermiculophylla under warming. In contrast, the growth of mono-cultured F. vesiculosus significantly increased in the highest warming treatment (+3 °C). The cooling treatment (-2 °C) exerted a slight negative effect only on co-cultured F. vesiculosus photosynthesis, compared to the ambient treatment. Interestingly, at ambient and warming (RCP2.6 and RCP8.5 scenarios) treatments, both F. vesiculosus and G. vermiculophylla appear to benefit from the presence of each other. Our results suggest that short exposure of F. vesiculosus to moderate or severe global warming scenarios may not directly affect or even slightly enhance its performance, while G. vermiculophylla net performance (growth) could be directly hampered by warming.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    The Science of The Total Environment
    Article . 2024 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      The Science of The Total Environment
      Article . 2024 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: C. Bommarito; S. Noè; D.M. Díaz-Morales; I. Lukić; +4 Authors

    Climate change is driving compositional shifts in ecological communities directly by affecting species and indirectly through changes in species interactions. For example, competitive hierarchies can be inversed when competitive dominants are more susceptible to climate change. The brown seaweed Fucus vesiculosus is a foundation species in the Baltic Sea, experiencing novel interactions with the invasive red seaweed Gracilaria vermiculophylla, which is known for its high tolerance to environmental stress. We investigated the direct and interactive effects of warming and co-occurrence of the two algal species on their performance, by applying four climate change-relevant temperature scenarios: 1) cooling ) 2 °C below ambient - representing past conditions), 2) ambient summer temperature (18 °C), 3) IPCC RCP2.6 warming scenario (1 °C above ambient), and 4) RCP8.5 warming (3 °C above ambient) for 30 days and two compositional levels (mono and co-cultured algae) in a fully-crossed design. The RCP8.5 warming scenario increased photosynthesis, respiration, and nutrients' uptake rates of mono- and co-cultured G. vermiculophylla while growth was reduced. An increase in photosynthesis and essential nutrients' uptake and, at the same time, a growth reduction might result from increasing stress and energy demand of G. vermiculophylla under warming. In contrast, the growth of mono-cultured F. vesiculosus significantly increased in the highest warming treatment (+3 °C). The cooling treatment (-2 °C) exerted a slight negative effect only on co-cultured F. vesiculosus photosynthesis, compared to the ambient treatment. Interestingly, at ambient and warming (RCP2.6 and RCP8.5 scenarios) treatments, both F. vesiculosus and G. vermiculophylla appear to benefit from the presence of each other. Our results suggest that short exposure of F. vesiculosus to moderate or severe global warming scenarios may not directly affect or even slightly enhance its performance, while G. vermiculophylla net performance (growth) could be directly hampered by warming.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    The Science of The Total Environment
    Article . 2024 . Peer-reviewed
    License: Elsevier TDM
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      The Science of The Total Environment
      Article . 2024 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Nonofo Gotcha; Honest Machekano; Ross N. Cuthbert; Casper Nyamukondiwa;

    AbstractAlthough reports have documented loss of species diversity and ecological services caused by stressful temperature changes that result from climate change, some species cope through behavioral compensation. As temperatures and magnitudes of temperature extremes increase, animals should compensate to maintain fitness (such as through temporary behavioral shifts in activity times). Appropriate timing of activity helps avoid competition across species. Although coprophagic dung beetles exhibit species‐specific temporal activity times, it is unknown whether temperature drives evolution of these species‐specific temporal activity times. Using nine dung beetle species (three each of diurnal, crepuscular, and nocturnal species), we explored differences in heat stress tolerance measured as critical thermal maxima (CTmax; the highest temperature allowing activity) and heat knockdown time (HKDT; survival time under acute heat stress) across these species, and examined the results using a phylogenetically informed approach. Our results showed that day‐active species had significantly higher CTmax (diurnal > crepuscular = nocturnal species), whereas crepuscular species had higher HKDT (crepuscular > nocturnal > diurnal species). There was no correlation between heat tolerance and body size across species with distinct temporal activity, and no significant phylogenetic constraint for activity. Species with higher CTmax did not necessarily have higher HKDT, which indicates that species may respond differently to diverse heat tolerance metrics. Acute heat tolerance for diurnal beetles indicates that this trait may constrain activity time and, under high acute temperatures with climate change, species may shift activity times in more benign environments. These results contribute to elucidate the evolution of foraging behavior and management of coprophagic beetle ecosystem services under changing environments.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Insect Science
    Article . 2020 . Peer-reviewed
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    Insect Science
    Article . 2021
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Insect Science
      Article . 2020 . Peer-reviewed
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      Article . 2021
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    Authors: Nonofo Gotcha; Honest Machekano; Ross N. Cuthbert; Casper Nyamukondiwa;

    AbstractAlthough reports have documented loss of species diversity and ecological services caused by stressful temperature changes that result from climate change, some species cope through behavioral compensation. As temperatures and magnitudes of temperature extremes increase, animals should compensate to maintain fitness (such as through temporary behavioral shifts in activity times). Appropriate timing of activity helps avoid competition across species. Although coprophagic dung beetles exhibit species‐specific temporal activity times, it is unknown whether temperature drives evolution of these species‐specific temporal activity times. Using nine dung beetle species (three each of diurnal, crepuscular, and nocturnal species), we explored differences in heat stress tolerance measured as critical thermal maxima (CTmax; the highest temperature allowing activity) and heat knockdown time (HKDT; survival time under acute heat stress) across these species, and examined the results using a phylogenetically informed approach. Our results showed that day‐active species had significantly higher CTmax (diurnal > crepuscular = nocturnal species), whereas crepuscular species had higher HKDT (crepuscular > nocturnal > diurnal species). There was no correlation between heat tolerance and body size across species with distinct temporal activity, and no significant phylogenetic constraint for activity. Species with higher CTmax did not necessarily have higher HKDT, which indicates that species may respond differently to diverse heat tolerance metrics. Acute heat tolerance for diurnal beetles indicates that this trait may constrain activity time and, under high acute temperatures with climate change, species may shift activity times in more benign environments. These results contribute to elucidate the evolution of foraging behavior and management of coprophagic beetle ecosystem services under changing environments.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Insect Science
    Article . 2020 . Peer-reviewed
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    Article . 2021
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Insect Science
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      Article . 2021
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: M. Mathankumar; B. Gunapriya; R. Raja Guru; A. Singaravelan; +1 Authors

    The advantages of real-time dataset with artificial intelligence-based machine learning algorithms can be utilized for improving energy management in Electric Vehicles (E-Vehicle). Here the machine learning algorithms such as classification, regression, reinforcement, and clustering are incorporated to identify the suitable profile pattern. Electric vehicle modelling can be developed from profile, outline, and formulation for energy efficiency can be done from vehicle state, specifications from acceleration and deceleration with necessary constraints. Each vehicle energy management stages are realized as kinetic energy, mechanical energy, and electrical energy for minimizing the losses within a boundary except proving the constraints. With a problem formulated in each stage for classifying the input profile, it is found that regression analysis matches the energy optimization, reinforcement technique fixes the boundary at every profile input and clustering of data ensures formation of data set. The proposed scheme is validated with MATLAB/Simulink environment and the results shows that the new methods improved the energy efficiency in every stage at the level of 10 to 30%. Also, among the energy efficient techniques, classification and regression schemes adds an error loss of 0.2 to 0.3%, the reinforcement method includes the data handling error of 0.3 to 0.4% and finally, the clustering method increases the error loss in the level of 0.4 to 0.5%.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Wireless Personal Communications
    Article . 2022 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      Wireless Personal Communications
      Article . 2022 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: M. Mathankumar; B. Gunapriya; R. Raja Guru; A. Singaravelan; +1 Authors

    The advantages of real-time dataset with artificial intelligence-based machine learning algorithms can be utilized for improving energy management in Electric Vehicles (E-Vehicle). Here the machine learning algorithms such as classification, regression, reinforcement, and clustering are incorporated to identify the suitable profile pattern. Electric vehicle modelling can be developed from profile, outline, and formulation for energy efficiency can be done from vehicle state, specifications from acceleration and deceleration with necessary constraints. Each vehicle energy management stages are realized as kinetic energy, mechanical energy, and electrical energy for minimizing the losses within a boundary except proving the constraints. With a problem formulated in each stage for classifying the input profile, it is found that regression analysis matches the energy optimization, reinforcement technique fixes the boundary at every profile input and clustering of data ensures formation of data set. The proposed scheme is validated with MATLAB/Simulink environment and the results shows that the new methods improved the energy efficiency in every stage at the level of 10 to 30%. Also, among the energy efficient techniques, classification and regression schemes adds an error loss of 0.2 to 0.3%, the reinforcement method includes the data handling error of 0.3 to 0.4% and finally, the clustering method increases the error loss in the level of 0.4 to 0.5%.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
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    Wireless Personal Communications
    Article . 2022 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Wireless Personal Communications
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: O. Veneri; FERRARO, LUIGI; CAPASSO, CLEMENTE; IANNUZZI, DIEGO;

    This paper presents an overview of issues and technologies related to the proper design of charging infrastructures for road electric vehicles. The analysis is carried out taking into account that the recharging stations of electric vehicles might be integrated in smart grids, which interconnect the main grid with distributed power plants, different kinds of renewable energy sources, stationary electrical storage systems and electric loads. The study is introduced by an analysis of the main characteristics concerning different kinds of storage systems to be used for stationary and on-board applications. Then, different charging devices, modes and architectures are presented and described showing their characteristics and potentialities. DC and AC configurations of charging stations are compared in terms of the issues related to their impact on the main grid and the design of their main components. Specific attention was devoted also to the ultra-fast DC architecture, which appears a possible solution to positively affect a wide spread of plug-in hybrid and full electric road vehicles.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao CNR ExploRAarrow_drop_down
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    https://doi.org/10.1109/esars....
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    Authors: O. Veneri; FERRARO, LUIGI; CAPASSO, CLEMENTE; IANNUZZI, DIEGO;

    This paper presents an overview of issues and technologies related to the proper design of charging infrastructures for road electric vehicles. The analysis is carried out taking into account that the recharging stations of electric vehicles might be integrated in smart grids, which interconnect the main grid with distributed power plants, different kinds of renewable energy sources, stationary electrical storage systems and electric loads. The study is introduced by an analysis of the main characteristics concerning different kinds of storage systems to be used for stationary and on-board applications. Then, different charging devices, modes and architectures are presented and described showing their characteristics and potentialities. DC and AC configurations of charging stations are compared in terms of the issues related to their impact on the main grid and the design of their main components. Specific attention was devoted also to the ultra-fast DC architecture, which appears a possible solution to positively affect a wide spread of plug-in hybrid and full electric road vehicles.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao CNR ExploRAarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    https://doi.org/10.1109/esars....
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    Authors: Miorelli, Fabia; Sasanpour, Shima; Gils, Hans Christian; Jochem, Patrick;
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Miorelli, Fabia; Sasanpour, Shima; Gils, Hans Christian; Jochem, Patrick;
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Vanegas, C. H.; Bartlett, J.;

    Marine algae have emerged as an alternative feedstock for the production of a number of renewable fuels, including biogas. In addition to energy potential, other characteristics make them attractive as an energy source, including their ability to absorb carbon dioxide (CO2), higher productivity rates than land-based crops and the lack of water use or land competition. For Ireland, biofuels from marine algae can play an important role by reducing imports of fossil fuels as well as providing the necessary energy in rural communities. In this study, five potential seaweed species common in Irish waters, Saccorhiza polyschides, Ulva sp., Laminaria digitata, Fucus serratus and Saccharina latissima, were co-digested individually with bovine slurry. Batch reactors of 120ml and 1000ml were set up and incubated at 35 degrees C to investigate their suitability for production of biogas. Digesters fed with S. latissima produced the maximum methane yield (335 ml g volatile solids(-1) (g(VS)(-1) followed by S. polyschides with 255 ml g(VS)(-1). L. digitata produced 246ml g(VS)(-1) and the lowest yields were from the green seaweed Ulva sp. 191ml g(VS)(-1). The methane and CO2 percentages ranged between 50-72% and 10-45%, respectively. The results demonstrated that the seaweed species investigated are good feedstocks candidates for the production of biogas and methane as a source of energy. Their use on a large-scale process will require further investigation to increase yields and reduce production costs.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    OceanRep
    Article . 2013 . Peer-reviewed
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    Environmental Technology
    Article . 2013 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      OceanRep
      Article . 2013 . Peer-reviewed
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      Environmental Technology
      Article . 2013 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Vanegas, C. H.; Bartlett, J.;

    Marine algae have emerged as an alternative feedstock for the production of a number of renewable fuels, including biogas. In addition to energy potential, other characteristics make them attractive as an energy source, including their ability to absorb carbon dioxide (CO2), higher productivity rates than land-based crops and the lack of water use or land competition. For Ireland, biofuels from marine algae can play an important role by reducing imports of fossil fuels as well as providing the necessary energy in rural communities. In this study, five potential seaweed species common in Irish waters, Saccorhiza polyschides, Ulva sp., Laminaria digitata, Fucus serratus and Saccharina latissima, were co-digested individually with bovine slurry. Batch reactors of 120ml and 1000ml were set up and incubated at 35 degrees C to investigate their suitability for production of biogas. Digesters fed with S. latissima produced the maximum methane yield (335 ml g volatile solids(-1) (g(VS)(-1) followed by S. polyschides with 255 ml g(VS)(-1). L. digitata produced 246ml g(VS)(-1) and the lowest yields were from the green seaweed Ulva sp. 191ml g(VS)(-1). The methane and CO2 percentages ranged between 50-72% and 10-45%, respectively. The results demonstrated that the seaweed species investigated are good feedstocks candidates for the production of biogas and methane as a source of energy. Their use on a large-scale process will require further investigation to increase yields and reduce production costs.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    OceanRep
    Article . 2013 . Peer-reviewed
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    Environmental Technology
    Article . 2013 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      OceanRep
      Article . 2013 . Peer-reviewed
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      Environmental Technology
      Article . 2013 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Jingzheng Ren; Hanwei Liang; Jing Yu; Weishi Zhang; +3 Authors

    Abstract Fuel Cell Vehicles (FCVs) has been introduced to the market around the world in recent years. As the largest automobile market of the world, China is also one of the potential FCVs market. However, a series of factors and barriers influence the willingness of China's customers to accept FCVs. By using Fishbone Diagram, field survey and workshop discussions, this paper proposes a group of factors that may affect customers' preferences on FCVs. Furthermore, Fuzzy AHP and Pareto Analysis are employed to prioritize these factors, and identify the critical ones. The results indicate that fuel availability, vehicle performance, and economic costs are the most important dimensions in affecting customers' attitude towards FCVs. More specifically, vehicle reliability and safety, purchasing cost, industry development, vehicle model and space contribute the most significance in customers' purchase decision. According to the results, some policy implications are proposed from the prospective of improving and demonstrating vehicle performance, government leading facility construction and operation, and costs reductions.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    International Journal of Hydrogen Energy
    Article . 2016 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      International Journal of Hydrogen Energy
      Article . 2016 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Jingzheng Ren; Hanwei Liang; Jing Yu; Weishi Zhang; +3 Authors

    Abstract Fuel Cell Vehicles (FCVs) has been introduced to the market around the world in recent years. As the largest automobile market of the world, China is also one of the potential FCVs market. However, a series of factors and barriers influence the willingness of China's customers to accept FCVs. By using Fishbone Diagram, field survey and workshop discussions, this paper proposes a group of factors that may affect customers' preferences on FCVs. Furthermore, Fuzzy AHP and Pareto Analysis are employed to prioritize these factors, and identify the critical ones. The results indicate that fuel availability, vehicle performance, and economic costs are the most important dimensions in affecting customers' attitude towards FCVs. More specifically, vehicle reliability and safety, purchasing cost, industry development, vehicle model and space contribute the most significance in customers' purchase decision. According to the results, some policy implications are proposed from the prospective of improving and demonstrating vehicle performance, government leading facility construction and operation, and costs reductions.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    International Journal of Hydrogen Energy
    Article . 2016 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      International Journal of Hydrogen Energy
      Article . 2016 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Jake Bowley; Craig Baker-Austin; Steve Michell; Ceri Lewis;

    Microplastics are small (<5 mm) plastic particles of varying shapes and polymer types that are now widespread global contaminants of marine and freshwater ecosystems. Various estimates suggest that several trillions of microplastic particles are present in our global oceanic system, and that these are readily ingested by a wide range of marine and freshwater species across feeding modes and ecological niches. Here, we present some of the key and pressing issues associated with these globally important contaminants from a microbiological perspective. We discuss the potential mechanisms of pathogen attachment to plastic surfaces. We then describe the ability of pathogens (both human and animal) to form biofilms on microplastics, as well as dispersal of these bacteria, which might lead to their uptake into aquatic species ingesting microplastic particles. Finally, we discuss the role of a changing oceanic system on the potential of microplastic-associated pathogens to cause various disease outcomes using numerous case studies. We set out some key and imperative research questions regarding this globally important issue and present a methodological framework to study how and why plastic-associated pathogens should be addressed.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    OceanRep
    Article . 2022 . Peer-reviewed
    Data sources: OceanRep
    Emerging Topics in Life Sciences
    Article . 2022 . Peer-reviewed
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      OceanRep
      Article . 2022 . Peer-reviewed
      Data sources: OceanRep
      Emerging Topics in Life Sciences
      Article . 2022 . Peer-reviewed
      Data sources: Crossref
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Jake Bowley; Craig Baker-Austin; Steve Michell; Ceri Lewis;

    Microplastics are small (<5 mm) plastic particles of varying shapes and polymer types that are now widespread global contaminants of marine and freshwater ecosystems. Various estimates suggest that several trillions of microplastic particles are present in our global oceanic system, and that these are readily ingested by a wide range of marine and freshwater species across feeding modes and ecological niches. Here, we present some of the key and pressing issues associated with these globally important contaminants from a microbiological perspective. We discuss the potential mechanisms of pathogen attachment to plastic surfaces. We then describe the ability of pathogens (both human and animal) to form biofilms on microplastics, as well as dispersal of these bacteria, which might lead to their uptake into aquatic species ingesting microplastic particles. Finally, we discuss the role of a changing oceanic system on the potential of microplastic-associated pathogens to cause various disease outcomes using numerous case studies. We set out some key and imperative research questions regarding this globally important issue and present a methodological framework to study how and why plastic-associated pathogens should be addressed.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    OceanRep
    Article . 2022 . Peer-reviewed
    Data sources: OceanRep
    Emerging Topics in Life Sciences
    Article . 2022 . Peer-reviewed
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      OceanRep
      Article . 2022 . Peer-reviewed
      Data sources: OceanRep
      Emerging Topics in Life Sciences
      Article . 2022 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Heron, Alex; Rinderknecht, Frank;

    The aim of this publication is a comparison of a wide selection of range extender technologies. Thereby a large amount of criteria are looked into. This assures that the comparison is feasible for a diversity of performance specifications. Hence an information level is achieved, that allows for a justified choice of technology according to the desired range extended electric vehicle concept.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    Authors: Heron, Alex; Rinderknecht, Frank;

    The aim of this publication is a comparison of a wide selection of range extender technologies. Thereby a large amount of criteria are looked into. This assures that the comparison is feasible for a diversity of performance specifications. Hence an information level is achieved, that allows for a justified choice of technology according to the desired range extended electric vehicle concept.

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Tsouros, Ioannis;

    Η κλιματική αλλαγή είναι μια από τις σημαντικότερες ανησυχίες για το μέλλον της ανθρωπότητας τον 21ο αιώνα. Ακόμα και η παρουσία της ανθρωπότητας στον πλανήτη μπορεί να θεωρηθεί επισφαλής, ειδικά όταν εξετάσουμε σε βάθος τη δυσμενή επίδραση της ανθρώπινης δραστηριότητας και της ανάπτυξης στο περιβάλλον. Οι προβλέψεις του τρέχοντος σεναρίου για το έτος 2100 αναφέρουν αύξηση της θερμοκρασίας κατά 4 ° C. Τέτοιας τάξης αλλαγή δεν έχει συμβεί στο παγκόσμιο κλίμα από το 20.000 π.Χ. Οι αυξανόμενες εκπομπές από τη χρήση ορυκτών καυσίμων επηρεάζουν αρνητικά μια σειρά περιβαλλοντικών παραγόντων και επηρεάζουν την ανθρώπινη ζωή: από την ποιότητα ζωής έως μακροπρόθεσμες επιπτώσεις στην υγεία, μακροοικονομικές μεταβολές, μετακίνηση ανθρώπινων πληθυσμών (πρόσφυγες κλιματικής αλλαγής), την κοινωνική δικαιοσύνη και βεβαίως την ποιότητα του περιβάλλοντος και της ζωής ως συνόλου. Ο τομέας των μεταφορών συντείνει σημαντικά στις εκπομπές αερίων. Για το λόγο αυτό, μια πληθώρα διεθνών και εθνικών οργανώσεων οργανώνουν τις «απαντήσεις» στις αυξανόμενες αυτές εκπομπές, οι οποίες μπορούν να ομαδοποιηθούν κάτω από τον όρο «βιώσιμες» ή «πράσινες» μεταφορές. Η εργασία αυτή διερευνά την έννοια της πράσινης, βιώσιμης μεταφοράς σε βάθος. Η διατριβή δημιουργεί ένα καινοτόμο πλαίσιο για την ανάλυση της διαδικασίας λήψης αποφάσεων σε θέματα μεταφορών και δραστηριοτήτων και σχεδιάζει και κατασκευάζει ένα διαδραστικό εργαλείο αξιολόγησης πολιτικής που βασίζεται στην οικονομετρική μοντελοποίηση. Η οικονομετρική μοντελοποίηση γίνεται σε τρεις διαφορετικές βαθμίδες. Το καθημερινό επίπεδο ρυθμών, που ασχολείται με την καθημερινή δραστηριότητα και τις μεταφορικές επιλογές των ατόμων και τον τρόπο με τον οποίο ο τρόπος ζωής τους μπορεί να επηρεάσει αυτές τις επιλογές. Το δεύτερο επίπεδο εξετάζει μέτρα «ελαφρών» υποδομών (ποδηλατόδρομοι, πεζοδρομήσεις) και διερευνά το αποτέλεσμα των παρεμβάσεων στο σύστημα μεταφορών μέσω μετρήσιμων βασικών δεικτών απόδοσης και προσομοίωσης. Το τρίτο επίπεδο εξετάζει την μελλοντική αγορά οχήματος, ειδικότερα οχημάτων με εναλλακτικά καύσιμα και αυτόνομων οχημάτων και παρέχει πληροφορίες για το μελλοντικό μείγμα στόλου και το αποτέλεσμα που θα έχει στις εκπομπές και το κόστος καυσίμων. Το επίπεδο ρυθμών περιλαμβάνει την επίδραση του τρόπου ζωής, συγκρίνοντας το δείγμα από τα δεδομένα που συλλέχθηκαν στη Χίο με μια βάση δεδομένων από την Αθήνα. Αυτή η σύγκριση δείχνει αποτελεσματικά την ετερογένεια των δύο περιοχών, τις διαφορές στις χωρικές και χρονικές επιλογές και την επίδραση που έχει ο τρόπος ζωής σε αυτές. Από πολιτική άποψη παρουσιάζει αιτιολόγηση για εξειδικευμένες λύσεις βάσει τοποθεσίας και προσεκτική εξέταση των κανόνων, των ρυθμών και των επιλογών του τρόπου ζωής στην περιοχή μελέτης κατά την εφαρμογή των δεσμών πολιτικής και μέτρων. Το κεφάλαιο που εξετάζει την επίδραση των μέτρων προώθησης της ενεργητικής μετακίνησης χρησιμοποιεί μια προσομοίωση της περιοχής μελέτης για να μετρήσει το αποτέλεσμα της δημιουργίας ποδηλατοδρόμων και πεζοδρομήσεων ορισμένων συνδέσμων στην περιοχή μελέτης. Η ανάλυση παρέχει μετρήσιμα αποτελέσματα μέσω της χρήσης διαφόρων δεικτών απόδοσης (KPIs), όπως επιβατοχιλιόμετρα, μερίδιο ενεργών μεταφορών, καθημερινά ατυχήματα και ροών κυκλοφορίας. Το τρίτο επίπεδο ανάλυσης αφορά την μελλοντική αγορά στόλου. Χρησιμοποιεί μια προσέγγιση με πειράματα δεδηλωμένης προτίμησης, η οποία επιτρέπει στους ερωτηθέντες να δημιουργούν το ιδανικό τους όχημα χρησιμοποιώντας διάφορα χαρακτηριστικά (συμπεριλαμβανομένου του εναλλακτικού καυσίμου και του επιπέδου αυτοματισμού), ενώ παράλληλα παρουσιάζουν μια λογική τιμολόγηση σε αυτά. Η ανάλυση διεξάγεται χρησιμοποιώντας ένα μοντέλο υβριδικής επιλογής (hybrid choice model), με λανθάνουσες μεταβλητές που αποσκοπούν από τη μία στην διερεύνηση της επίδρασης των στάσεων και των αντιλήψεων στη διαδικασία λήψης απόφασης και από την άλλη στη μείωση της αβεβαιότητας και των σφαλμάτων κατά την μοντελοποίηση. Η διατριβή παρέχει επίσης παρουσιάζει τη δημιουργία, το σχεδιασμό και την υλοποίηση του εργαλείου πλατφόρμας πολιτικής. Το εργαλείο είναι διαδραστικό με την έννοια ότι ο χρήστης μπορεί να ελέγξει διάφορες μεταβλητές και να δει τα αποτελέσματα, συγκρίνοντας τα διάφορα μέτρα πολιτικής και σενάρια. Είναι κωδικοποιημένο σε R και αναπτύσσεται ως μια ιστοσελίδα, με μια φιλική προς το χρήστη διεπαφή που δεν απαιτεί ειδικές γνώσεις για να λειτουργήσει. Η διατριβή χρησιμοποιεί δείγμα 1288 ατόμων, περίπου το 2% του πληθυσμού της Χίου. Η συλλογή στοιχείων πραγματοποιείται μέσω μιας σειράς ηλεκτρονικών ερωτηματολογίων που περιλαμβάνουν ένα οικογενειακό και ατομικό ερωτηματολόγιο, ένα πείραμα δηλωμένης προτίμησης, ένα ημερολόγιο δραστηριοτήτων και συνοδεύεται από συσκευές GPS για να υποστηρίξουν το ημερολόγιο δραστηριοτήτων. Η συμβολή της διατριβής εντοπίζεται σε πολλά σημεία. Πρώτον, η εργασία εξετάζει την έννοια των βιώσιμων μεταφορών και της ανθρώπινης συμπεριφοράς που σχετίζεται με αυτήν χρησιμοποιώντας μια πολυεπίπεδη ανάλυση που εκτείνεται από την καθημερινή ζωή των ατόμων ως τις μελλοντικές, μακροπρόθεσμες αποφάσεις. Δεύτερον, χρησιμοποιεί μια σειρά αναλυτικών εργαλείων για να απαντήσει στα ερευνητικά ερωτήματα: καινοτόμα οικονομετρικά μοντέλα, προσομοίωση των μεταφορών και δημιουργεί ένα εργαλείο διαδραστικής υποστήριξης της λήψης αποφάσεων που αναπτύχθηκε εξολοκλήρου στα πλαίσια της διατριβής. Αποτελέι μια σφαιρική εξερεύνηση και επίδειξη των διαθέσιμων αναλυτικών εργαλείων. Επιπλέον, η μελέτη περίπτωσης που διεξάγεται σε μια νησιωτική περιοχή παρέχει μια εικόνα για τη συμπεριφορά, τις επιλογές και τις ιδιαιτερότητες μιας περιοχής που η μικρότερη κλίμακα, οι ομαλότερες επεμβάσεις μπορεί να είναι πιο επιτυχείς από τις απότομες, ξαφνικές αλλαγές. Ο τρόπος ζωής της περιοχής μελέτης διαδραματίζει σημαντικό ρόλο στη διεξαχθείσα ανάλυση. Τα ευρήματα από την ανάλυση αυτή συμβάλλουν στη δυνατότητα μεταφοράς των μοντέλων σε άλλες περιοχές και κλίμακες. Τέλος, η διατριβή παρέχει χρήσιμες πληροφορίες για τα μέτρα πολιτικής που πρέπει να ληφθούν υπόψη για την αλλαγή της ανθρώπινης συμπεριφοράς, την προσέλκυση περισσότερων πολιτών στη χρήση αειφόρων μέσων μεταφοράς και τη βελτίωση του βιοτικού επιπέδου, ελαχιστοποιώντας παράλληλα το εξωτερικό κόστος των μεταφορών. Climate change is one of the most prominent concerns for the future of humanity in the 21st century. The presence of humanity in the planet may be viewed as precarious, especially when considering the adverse effects of human activity and development. The current scenario predictions for year 2100 is a 4°C temperature growth. A 4 degree change has not happened in the global climate since 20.000 BC. Growing emissions from the use of fossil fuels negatively affects a series of environmental factors and is affects human life from every-day quality of life to long-term health effects, macroeconomic change, movement in human population, social equity and of course, the quality of the environement and life as a whole. A major contributor of these emissions is the transportation sector. For this reason, a multitude of international and national organizations have proposed an answer to the growing emissions, which can be grouped under the term sustainable or “green” transportation. This thesis explores the notion of green, sustainable transportation in depth. The thesis creates an innovative framework for the analysis of decision-making process in transport and activity related matters and it designs and crafts an interactive policy assesment tool that is based on econometric modelling. The econometric modelling is done in three different tiers, the everyday rhythms tier, that is concerned with the everyday activity and transport choices of individuals and how their lifestyle can affect these choices, the light infrastructure tier that explores the effect of active transport friendly interventions in the transport system via measurable key performance indicators and the future fleet purchase tier that provides insight into the future fleet mixture and the effect it will have on the emissions and fuel cost. The daily rhtyhms tier includes the effect of lifestyle by comparing the sample from collected data in Chios island to a database from Athens, Greece. This comparison effectively demostrates the heterogeneity of the two areas, the differences in spatial and temporal choices and the effect that lifestyle has on them. Policy-wise it presents justification for tailor-made, location-based solutions and careful consideration of norms, rhythms and lifestyle choices of the study area when applying policy bundles. The chapter discussing the effect of active transport promoting measures uses a simulation of the study area to measure the effect of the creation of bike lanes and the pedestrianization of certain links in the study area. The analysis provides measurable outcome through the usage of various KPIs, such as passenger kilometers, share of active transport, daily accidents and traffic levels. The third analysis tier is concerned with future fleet purchase. It utilizes a menu-based, build-your-own, experiment approach allowing survey respondents to create their ideal vehicle using various attributes (including alternative fuel and automation level) while presenting a reasonable pricing to them. The analysis is conducted using a hybrid choice model, with latent variables aiming to reduce uncertainty and errors in the decrypting of the decision-making process. The thesis also provides insight into the creation, design and implementation of the policy platform tool. The tool is interactive in the sense that the user can control various variables and view the output, comparing the different policy measures and scenarios. It is coded in R and developed as a webpage, in a user-friendly user interface that does not require special understanding to operate. The thesis uses a sample of 1288, roughly 2% of the population of individuals from the island of Chios, Greece. The data collection is realized through a series of electronic questionnaires including a household and an individual questionnaire, a stated-preference experiment, an activity diary and accompanied by GPS devices to assist the activity diary. The contribution of the thesis can be found on several topics. First, the thesis explores the notion of sustainable transport and the human behavior that is related to it using a multi-tier analysis that spans from every-day life of individuals to future, long-term decisions. Secondly, it uses a series of analytical tools to answer the research questions, innovative econometric models, transport simulation and a in-house developed interactive decision-making tool. It is a spherical exploration of the available analytical tools, each of which used provides the specific insight for which it was used. Additionally, the case study that is conducted in an insular, island area provides insight into the behavior, choices and particularities of an area that smaller scale, smoother interventions may be more succesful than abrupt, sudden changes. The lifestyle of the study area plays a significant role in the conducted analysis. Findings from this analysis contribute to the transferability of models. Finally, the thesis provides useful insight into various policy measures that should be considered for changing the human behavior, attracting more citizens to using sustainable means of transport and improving the stanard of living while minimizing the external cost of transportation.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Institutional Reposi...arrow_drop_down
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Tsouros, Ioannis;

    Η κλιματική αλλαγή είναι μια από τις σημαντικότερες ανησυχίες για το μέλλον της ανθρωπότητας τον 21ο αιώνα. Ακόμα και η παρουσία της ανθρωπότητας στον πλανήτη μπορεί να θεωρηθεί επισφαλής, ειδικά όταν εξετάσουμε σε βάθος τη δυσμενή επίδραση της ανθρώπινης δραστηριότητας και της ανάπτυξης στο περιβάλλον. Οι προβλέψεις του τρέχοντος σεναρίου για το έτος 2100 αναφέρουν αύξηση της θερμοκρασίας κατά 4 ° C. Τέτοιας τάξης αλλαγή δεν έχει συμβεί στο παγκόσμιο κλίμα από το 20.000 π.Χ. Οι αυξανόμενες εκπομπές από τη χρήση ορυκτών καυσίμων επηρεάζουν αρνητικά μια σειρά περιβαλλοντικών παραγόντων και επηρεάζουν την ανθρώπινη ζωή: από την ποιότητα ζωής έως μακροπρόθεσμες επιπτώσεις στην υγεία, μακροοικονομικές μεταβολές, μετακίνηση ανθρώπινων πληθυσμών (πρόσφυγες κλιματικής αλλαγής), την κοινωνική δικαιοσύνη και βεβαίως την ποιότητα του περιβάλλοντος και της ζωής ως συνόλου. Ο τομέας των μεταφορών συντείνει σημαντικά στις εκπομπές αερίων. Για το λόγο αυτό, μια πληθώρα διεθνών και εθνικών οργανώσεων οργανώνουν τις «απαντήσεις» στις αυξανόμενες αυτές εκπομπές, οι οποίες μπορούν να ομαδοποιηθούν κάτω από τον όρο «βιώσιμες» ή «πράσινες» μεταφορές. Η εργασία αυτή διερευνά την έννοια της πράσινης, βιώσιμης μεταφοράς σε βάθος. Η διατριβή δημιουργεί ένα καινοτόμο πλαίσιο για την ανάλυση της διαδικασίας λήψης αποφάσεων σε θέματα μεταφορών και δραστηριοτήτων και σχεδιάζει και κατασκευάζει ένα διαδραστικό εργαλείο αξιολόγησης πολιτικής που βασίζεται στην οικονομετρική μοντελοποίηση. Η οικονομετρική μοντελοποίηση γίνεται σε τρεις διαφορετικές βαθμίδες. Το καθημερινό επίπεδο ρυθμών, που ασχολείται με την καθημερινή δραστηριότητα και τις μεταφορικές επιλογές των ατόμων και τον τρόπο με τον οποίο ο τρόπος ζωής τους μπορεί να επηρεάσει αυτές τις επιλογές. Το δεύτερο επίπεδο εξετάζει μέτρα «ελαφρών» υποδομών (ποδηλατόδρομοι, πεζοδρομήσεις) και διερευνά το αποτέλεσμα των παρεμβάσεων στο σύστημα μεταφορών μέσω μετρήσιμων βασικών δεικτών απόδοσης και προσομοίωσης. Το τρίτο επίπεδο εξετάζει την μελλοντική αγορά οχήματος, ειδικότερα οχημάτων με εναλλακτικά καύσιμα και αυτόνομων οχημάτων και παρέχει πληροφορίες για το μελλοντικό μείγμα στόλου και το αποτέλεσμα που θα έχει στις εκπομπές και το κόστος καυσίμων. Το επίπεδο ρυθμών περιλαμβάνει την επίδραση του τρόπου ζωής, συγκρίνοντας το δείγμα από τα δεδομένα που συλλέχθηκαν στη Χίο με μια βάση δεδομένων από την Αθήνα. Αυτή η σύγκριση δείχνει αποτελεσματικά την ετερογένεια των δύο περιοχών, τις διαφορές στις χωρικές και χρονικές επιλογές και την επίδραση που έχει ο τρόπος ζωής σε αυτές. Από πολιτική άποψη παρουσιάζει αιτιολόγηση για εξειδικευμένες λύσεις βάσει τοποθεσίας και προσεκτική εξέταση των κανόνων, των ρυθμών και των επιλογών του τρόπου ζωής στην περιοχή μελέτης κατά την εφαρμογή των δεσμών πολιτικής και μέτρων. Το κεφάλαιο που εξετάζει την επίδραση των μέτρων προώθησης της ενεργητικής μετακίνησης χρησιμοποιεί μια προσομοίωση της περιοχής μελέτης για να μετρήσει το αποτέλεσμα της δημιουργίας ποδηλατοδρόμων και πεζοδρομήσεων ορισμένων συνδέσμων στην περιοχή μελέτης. Η ανάλυση παρέχει μετρήσιμα αποτελέσματα μέσω της χρήσης διαφόρων δεικτών απόδοσης (KPIs), όπως επιβατοχιλιόμετρα, μερίδιο ενεργών μεταφορών, καθημερινά ατυχήματα και ροών κυκλοφορίας. Το τρίτο επίπεδο ανάλυσης αφορά την μελλοντική αγορά στόλου. Χρησιμοποιεί μια προσέγγιση με πειράματα δεδηλωμένης προτίμησης, η οποία επιτρέπει στους ερωτηθέντες να δημιουργούν το ιδανικό τους όχημα χρησιμοποιώντας διάφορα χαρακτηριστικά (συμπεριλαμβανομένου του εναλλακτικού καυσίμου και του επιπέδου αυτοματισμού), ενώ παράλληλα παρουσιάζουν μια λογική τιμολόγηση σε αυτά. Η ανάλυση διεξάγεται χρησιμοποιώντας ένα μοντέλο υβριδικής επιλογής (hybrid choice model), με λανθάνουσες μεταβλητές που αποσκοπούν από τη μία στην διερεύνηση της επίδρασης των στάσεων και των αντιλήψεων στη διαδικασία λήψης απόφασης και από την άλλη στη μείωση της αβεβαιότητας και των σφαλμάτων κατά την μοντελοποίηση. Η διατριβή παρέχει επίσης παρουσιάζει τη δημιουργία, το σχεδιασμό και την υλοποίηση του εργαλείου πλατφόρμας πολιτικής. Το εργαλείο είναι διαδραστικό με την έννοια ότι ο χρήστης μπορεί να ελέγξει διάφορες μεταβλητές και να δει τα αποτελέσματα, συγκρίνοντας τα διάφορα μέτρα πολιτικής και σενάρια. Είναι κωδικοποιημένο σε R και αναπτύσσεται ως μια ιστοσελίδα, με μια φιλική προς το χρήστη διεπαφή που δεν απαιτεί ειδικές γνώσεις για να λειτουργήσει. Η διατριβή χρησιμοποιεί δείγμα 1288 ατόμων, περίπου το 2% του πληθυσμού της Χίου. Η συλλογή στοιχείων πραγματοποιείται μέσω μιας σειράς ηλεκτρονικών ερωτηματολογίων που περιλαμβάνουν ένα οικογενειακό και ατομικό ερωτηματολόγιο, ένα πείραμα δηλωμένης προτίμησης, ένα ημερολόγιο δραστηριοτήτων και συνοδεύεται από συσκευές GPS για να υποστηρίξουν το ημερολόγιο δραστηριοτήτων. Η συμβολή της διατριβής εντοπίζεται σε πολλά σημεία. Πρώτον, η εργασία εξετάζει την έννοια των βιώσιμων μεταφορών και της ανθρώπινης συμπεριφοράς που σχετίζεται με αυτήν χρησιμοποιώντας μια πολυεπίπεδη ανάλυση που εκτείνεται από την καθημερινή ζωή των ατόμων ως τις μελλοντικές, μακροπρόθεσμες αποφάσεις. Δεύτερον, χρησιμοποιεί μια σειρά αναλυτικών εργαλείων για να απαντήσει στα ερευνητικά ερωτήματα: καινοτόμα οικονομετρικά μοντέλα, προσομοίωση των μεταφορών και δημιουργεί ένα εργαλείο διαδραστικής υποστήριξης της λήψης αποφάσεων που αναπτύχθηκε εξολοκλήρου στα πλαίσια της διατριβής. Αποτελέι μια σφαιρική εξερεύνηση και επίδειξη των διαθέσιμων αναλυτικών εργαλείων. Επιπλέον, η μελέτη περίπτωσης που διεξάγεται σε μια νησιωτική περιοχή παρέχει μια εικόνα για τη συμπεριφορά, τις επιλογές και τις ιδιαιτερότητες μιας περιοχής που η μικρότερη κλίμακα, οι ομαλότερες επεμβάσεις μπορεί να είναι πιο επιτυχείς από τις απότομες, ξαφνικές αλλαγές. Ο τρόπος ζωής της περιοχής μελέτης διαδραματίζει σημαντικό ρόλο στη διεξαχθείσα ανάλυση. Τα ευρήματα από την ανάλυση αυτή συμβάλλουν στη δυνατότητα μεταφοράς των μοντέλων σε άλλες περιοχές και κλίμακες. Τέλος, η διατριβή παρέχει χρήσιμες πληροφορίες για τα μέτρα πολιτικής που πρέπει να ληφθούν υπόψη για την αλλαγή της ανθρώπινης συμπεριφοράς, την προσέλκυση περισσότερων πολιτών στη χρήση αειφόρων μέσων μεταφοράς και τη βελτίωση του βιοτικού επιπέδου, ελαχιστοποιώντας παράλληλα το εξωτερικό κόστος των μεταφορών. Climate change is one of the most prominent concerns for the future of humanity in the 21st century. The presence of humanity in the planet may be viewed as precarious, especially when considering the adverse effects of human activity and development. The current scenario predictions for year 2100 is a 4°C temperature growth. A 4 degree change has not happened in the global climate since 20.000 BC. Growing emissions from the use of fossil fuels negatively affects a series of environmental factors and is affects human life from every-day quality of life to long-term health effects, macroeconomic change, movement in human population, social equity and of course, the quality of the environement and life as a whole. A major contributor of these emissions is the transportation sector. For this reason, a multitude of international and national organizations have proposed an answer to the growing emissions, which can be grouped under the term sustainable or “green” transportation. This thesis explores the notion of green, sustainable transportation in depth. The thesis creates an innovative framework for the analysis of decision-making process in transport and activity related matters and it designs and crafts an interactive policy assesment tool that is based on econometric modelling. The econometric modelling is done in three different tiers, the everyday rhythms tier, that is concerned with the everyday activity and transport choices of individuals and how their lifestyle can affect these choices, the light infrastructure tier that explores the effect of active transport friendly interventions in the transport system via measurable key performance indicators and the future fleet purchase tier that provides insight into the future fleet mixture and the effect it will have on the emissions and fuel cost. The daily rhtyhms tier includes the effect of lifestyle by comparing the sample from collected data in Chios island to a database from Athens, Greece. This comparison effectively demostrates the heterogeneity of the two areas, the differences in spatial and temporal choices and the effect that lifestyle has on them. Policy-wise it presents justification for tailor-made, location-based solutions and careful consideration of norms, rhythms and lifestyle choices of the study area when applying policy bundles. The chapter discussing the effect of active transport promoting measures uses a simulation of the study area to measure the effect of the creation of bike lanes and the pedestrianization of certain links in the study area. The analysis provides measurable outcome through the usage of various KPIs, such as passenger kilometers, share of active transport, daily accidents and traffic levels. The third analysis tier is concerned with future fleet purchase. It utilizes a menu-based, build-your-own, experiment approach allowing survey respondents to create their ideal vehicle using various attributes (including alternative fuel and automation level) while presenting a reasonable pricing to them. The analysis is conducted using a hybrid choice model, with latent variables aiming to reduce uncertainty and errors in the decrypting of the decision-making process. The thesis also provides insight into the creation, design and implementation of the policy platform tool. The tool is interactive in the sense that the user can control various variables and view the output, comparing the different policy measures and scenarios. It is coded in R and developed as a webpage, in a user-friendly user interface that does not require special understanding to operate. The thesis uses a sample of 1288, roughly 2% of the population of individuals from the island of Chios, Greece. The data collection is realized through a series of electronic questionnaires including a household and an individual questionnaire, a stated-preference experiment, an activity diary and accompanied by GPS devices to assist the activity diary. The contribution of the thesis can be found on several topics. First, the thesis explores the notion of sustainable transport and the human behavior that is related to it using a multi-tier analysis that spans from every-day life of individuals to future, long-term decisions. Secondly, it uses a series of analytical tools to answer the research questions, innovative econometric models, transport simulation and a in-house developed interactive decision-making tool. It is a spherical exploration of the available analytical tools, each of which used provides the specific insight for which it was used. Additionally, the case study that is conducted in an insular, island area provides insight into the behavior, choices and particularities of an area that smaller scale, smoother interventions may be more succesful than abrupt, sudden changes. The lifestyle of the study area plays a significant role in the conducted analysis. Findings from this analysis contribute to the transferability of models. Finally, the thesis provides useful insight into various policy measures that should be considered for changing the human behavior, attracting more citizens to using sustainable means of transport and improving the stanard of living while minimizing the external cost of transportation.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Institutional Reposi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Institutional Repository Hellanicus
    Doctoral thesis . 2018
    License: CC BY NC SA
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Institutional Reposi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Institutional Repository Hellanicus
      Doctoral thesis . 2018
      License: CC BY NC SA
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: C. Bommarito; S. Noè; D.M. Díaz-Morales; I. Lukić; +4 Authors

    Climate change is driving compositional shifts in ecological communities directly by affecting species and indirectly through changes in species interactions. For example, competitive hierarchies can be inversed when competitive dominants are more susceptible to climate change. The brown seaweed Fucus vesiculosus is a foundation species in the Baltic Sea, experiencing novel interactions with the invasive red seaweed Gracilaria vermiculophylla, which is known for its high tolerance to environmental stress. We investigated the direct and interactive effects of warming and co-occurrence of the two algal species on their performance, by applying four climate change-relevant temperature scenarios: 1) cooling ) 2 °C below ambient - representing past conditions), 2) ambient summer temperature (18 °C), 3) IPCC RCP2.6 warming scenario (1 °C above ambient), and 4) RCP8.5 warming (3 °C above ambient) for 30 days and two compositional levels (mono and co-cultured algae) in a fully-crossed design. The RCP8.5 warming scenario increased photosynthesis, respiration, and nutrients' uptake rates of mono- and co-cultured G. vermiculophylla while growth was reduced. An increase in photosynthesis and essential nutrients' uptake and, at the same time, a growth reduction might result from increasing stress and energy demand of G. vermiculophylla under warming. In contrast, the growth of mono-cultured F. vesiculosus significantly increased in the highest warming treatment (+3 °C). The cooling treatment (-2 °C) exerted a slight negative effect only on co-cultured F. vesiculosus photosynthesis, compared to the ambient treatment. Interestingly, at ambient and warming (RCP2.6 and RCP8.5 scenarios) treatments, both F. vesiculosus and G. vermiculophylla appear to benefit from the presence of each other. Our results suggest that short exposure of F. vesiculosus to moderate or severe global warming scenarios may not directly affect or even slightly enhance its performance, while G. vermiculophylla net performance (growth) could be directly hampered by warming.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    The Science of The Total Environment
    Article . 2024 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      The Science of The Total Environment
      Article . 2024 . Peer-reviewed
      License: Elsevier TDM
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: C. Bommarito; S. Noè; D.M. Díaz-Morales; I. Lukić; +4 Authors

    Climate change is driving compositional shifts in ecological communities directly by affecting species and indirectly through changes in species interactions. For example, competitive hierarchies can be inversed when competitive dominants are more susceptible to climate change. The brown seaweed Fucus vesiculosus is a foundation species in the Baltic Sea, experiencing novel interactions with the invasive red seaweed Gracilaria vermiculophylla, which is known for its high tolerance to environmental stress. We investigated the direct and interactive effects of warming and co-occurrence of the two algal species on their performance, by applying four climate change-relevant temperature scenarios: 1) cooling ) 2 °C below ambient - representing past conditions), 2) ambient summer temperature (18 °C), 3) IPCC RCP2.6 warming scenario (1 °C above ambient), and 4) RCP8.5 warming (3 °C above ambient) for 30 days and two compositional levels (mono and co-cultured algae) in a fully-crossed design. The RCP8.5 warming scenario increased photosynthesis, respiration, and nutrients' uptake rates of mono- and co-cultured G. vermiculophylla while growth was reduced. An increase in photosynthesis and essential nutrients' uptake and, at the same time, a growth reduction might result from increasing stress and energy demand of G. vermiculophylla under warming. In contrast, the growth of mono-cultured F. vesiculosus significantly increased in the highest warming treatment (+3 °C). The cooling treatment (-2 °C) exerted a slight negative effect only on co-cultured F. vesiculosus photosynthesis, compared to the ambient treatment. Interestingly, at ambient and warming (RCP2.6 and RCP8.5 scenarios) treatments, both F. vesiculosus and G. vermiculophylla appear to benefit from the presence of each other. Our results suggest that short exposure of F. vesiculosus to moderate or severe global warming scenarios may not directly affect or even slightly enhance its performance, while G. vermiculophylla net performance (growth) could be directly hampered by warming.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    The Science of The Total Environment
    Article . 2024 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      The Science of The Total Environment
      Article . 2024 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Nonofo Gotcha; Honest Machekano; Ross N. Cuthbert; Casper Nyamukondiwa;

    AbstractAlthough reports have documented loss of species diversity and ecological services caused by stressful temperature changes that result from climate change, some species cope through behavioral compensation. As temperatures and magnitudes of temperature extremes increase, animals should compensate to maintain fitness (such as through temporary behavioral shifts in activity times). Appropriate timing of activity helps avoid competition across species. Although coprophagic dung beetles exhibit species‐specific temporal activity times, it is unknown whether temperature drives evolution of these species‐specific temporal activity times. Using nine dung beetle species (three each of diurnal, crepuscular, and nocturnal species), we explored differences in heat stress tolerance measured as critical thermal maxima (CTmax; the highest temperature allowing activity) and heat knockdown time (HKDT; survival time under acute heat stress) across these species, and examined the results using a phylogenetically informed approach. Our results showed that day‐active species had significantly higher CTmax (diurnal > crepuscular = nocturnal species), whereas crepuscular species had higher HKDT (crepuscular > nocturnal > diurnal species). There was no correlation between heat tolerance and body size across species with distinct temporal activity, and no significant phylogenetic constraint for activity. Species with higher CTmax did not necessarily have higher HKDT, which indicates that species may respond differently to diverse heat tolerance metrics. Acute heat tolerance for diurnal beetles indicates that this trait may constrain activity time and, under high acute temperatures with climate change, species may shift activity times in more benign environments. These results contribute to elucidate the evolution of foraging behavior and management of coprophagic beetle ecosystem services under changing environments.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Insect Science
    Article . 2020 . Peer-reviewed
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    Insect Science
    Article . 2021
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Insect Science
      Article . 2020 . Peer-reviewed
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      Article . 2021
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    Authors: Nonofo Gotcha; Honest Machekano; Ross N. Cuthbert; Casper Nyamukondiwa;

    AbstractAlthough reports have documented loss of species diversity and ecological services caused by stressful temperature changes that result from climate change, some species cope through behavioral compensation. As temperatures and magnitudes of temperature extremes increase, animals should compensate to maintain fitness (such as through temporary behavioral shifts in activity times). Appropriate timing of activity helps avoid competition across species. Although coprophagic dung beetles exhibit species‐specific temporal activity times, it is unknown whether temperature drives evolution of these species‐specific temporal activity times. Using nine dung beetle species (three each of diurnal, crepuscular, and nocturnal species), we explored differences in heat stress tolerance measured as critical thermal maxima (CTmax; the highest temperature allowing activity) and heat knockdown time (HKDT; survival time under acute heat stress) across these species, and examined the results using a phylogenetically informed approach. Our results showed that day‐active species had significantly higher CTmax (diurnal > crepuscular = nocturnal species), whereas crepuscular species had higher HKDT (crepuscular > nocturnal > diurnal species). There was no correlation between heat tolerance and body size across species with distinct temporal activity, and no significant phylogenetic constraint for activity. Species with higher CTmax did not necessarily have higher HKDT, which indicates that species may respond differently to diverse heat tolerance metrics. Acute heat tolerance for diurnal beetles indicates that this trait may constrain activity time and, under high acute temperatures with climate change, species may shift activity times in more benign environments. These results contribute to elucidate the evolution of foraging behavior and management of coprophagic beetle ecosystem services under changing environments.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Insect Science
    Article . 2020 . Peer-reviewed
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    Insect Science
    Article . 2021
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Insect Science
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      Article . 2021
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: M. Mathankumar; B. Gunapriya; R. Raja Guru; A. Singaravelan; +1 Authors

    The advantages of real-time dataset with artificial intelligence-based machine learning algorithms can be utilized for improving energy management in Electric Vehicles (E-Vehicle). Here the machine learning algorithms such as classification, regression, reinforcement, and clustering are incorporated to identify the suitable profile pattern. Electric vehicle modelling can be developed from profile, outline, and formulation for energy efficiency can be done from vehicle state, specifications from acceleration and deceleration with necessary constraints. Each vehicle energy management stages are realized as kinetic energy, mechanical energy, and electrical energy for minimizing the losses within a boundary except proving the constraints. With a problem formulated in each stage for classifying the input profile, it is found that regression analysis matches the energy optimization, reinforcement technique fixes the boundary at every profile input and clustering of data ensures formation of data set. The proposed scheme is validated with MATLAB/Simulink environment and the results shows that the new methods improved the energy efficiency in every stage at the level of 10 to 30%. Also, among the energy efficient techniques, classification and regression schemes adds an error loss of 0.2 to 0.3%, the reinforcement method includes the data handling error of 0.3 to 0.4% and finally, the clustering method increases the error loss in the level of 0.4 to 0.5%.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Wireless Personal Communications
    Article . 2022 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Wireless Personal Communications
      Article . 2022 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: M. Mathankumar; B. Gunapriya; R. Raja Guru; A. Singaravelan; +1 Authors

    The advantages of real-time dataset with artificial intelligence-based machine learning algorithms can be utilized for improving energy management in Electric Vehicles (E-Vehicle). Here the machine learning algorithms such as classification, regression, reinforcement, and clustering are incorporated to identify the suitable profile pattern. Electric vehicle modelling can be developed from profile, outline, and formulation for energy efficiency can be done from vehicle state, specifications from acceleration and deceleration with necessary constraints. Each vehicle energy management stages are realized as kinetic energy, mechanical energy, and electrical energy for minimizing the losses within a boundary except proving the constraints. With a problem formulated in each stage for classifying the input profile, it is found that regression analysis matches the energy optimization, reinforcement technique fixes the boundary at every profile input and clustering of data ensures formation of data set. The proposed scheme is validated with MATLAB/Simulink environment and the results shows that the new methods improved the energy efficiency in every stage at the level of 10 to 30%. Also, among the energy efficient techniques, classification and regression schemes adds an error loss of 0.2 to 0.3%, the reinforcement method includes the data handling error of 0.3 to 0.4% and finally, the clustering method increases the error loss in the level of 0.4 to 0.5%.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Wireless Personal Communications
    Article . 2022 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Wireless Personal Communications
      Article . 2022 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: O. Veneri; FERRARO, LUIGI; CAPASSO, CLEMENTE; IANNUZZI, DIEGO;

    This paper presents an overview of issues and technologies related to the proper design of charging infrastructures for road electric vehicles. The analysis is carried out taking into account that the recharging stations of electric vehicles might be integrated in smart grids, which interconnect the main grid with distributed power plants, different kinds of renewable energy sources, stationary electrical storage systems and electric loads. The study is introduced by an analysis of the main characteristics concerning different kinds of storage systems to be used for stationary and on-board applications. Then, different charging devices, modes and architectures are presented and described showing their characteristics and potentialities. DC and AC configurations of charging stations are compared in terms of the issues related to their impact on the main grid and the design of their main components. Specific attention was devoted also to the ultra-fast DC architecture, which appears a possible solution to positively affect a wide spread of plug-in hybrid and full electric road vehicles.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao CNR ExploRAarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    https://doi.org/10.1109/esars....
    Conference object . 2012 . Peer-reviewed
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    Authors: O. Veneri; FERRARO, LUIGI; CAPASSO, CLEMENTE; IANNUZZI, DIEGO;

    This paper presents an overview of issues and technologies related to the proper design of charging infrastructures for road electric vehicles. The analysis is carried out taking into account that the recharging stations of electric vehicles might be integrated in smart grids, which interconnect the main grid with distributed power plants, different kinds of renewable energy sources, stationary electrical storage systems and electric loads. The study is introduced by an analysis of the main characteristics concerning different kinds of storage systems to be used for stationary and on-board applications. Then, different charging devices, modes and architectures are presented and described showing their characteristics and potentialities. DC and AC configurations of charging stations are compared in terms of the issues related to their impact on the main grid and the design of their main components. Specific attention was devoted also to the ultra-fast DC architecture, which appears a possible solution to positively affect a wide spread of plug-in hybrid and full electric road vehicles.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao CNR ExploRAarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    https://doi.org/10.1109/esars....
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Miorelli, Fabia; Sasanpour, Shima; Gils, Hans Christian; Jochem, Patrick;
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    DLR publication server
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Miorelli, Fabia; Sasanpour, Shima; Gils, Hans Christian; Jochem, Patrick;
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Vanegas, C. H.; Bartlett, J.;

    Marine algae have emerged as an alternative feedstock for the production of a number of renewable fuels, including biogas. In addition to energy potential, other characteristics make them attractive as an energy source, including their ability to absorb carbon dioxide (CO2), higher productivity rates than land-based crops and the lack of water use or land competition. For Ireland, biofuels from marine algae can play an important role by reducing imports of fossil fuels as well as providing the necessary energy in rural communities. In this study, five potential seaweed species common in Irish waters, Saccorhiza polyschides, Ulva sp., Laminaria digitata, Fucus serratus and Saccharina latissima, were co-digested individually with bovine slurry. Batch reactors of 120ml and 1000ml were set up and incubated at 35 degrees C to investigate their suitability for production of biogas. Digesters fed with S. latissima produced the maximum methane yield (335 ml g volatile solids(-1) (g(VS)(-1) followed by S. polyschides with 255 ml g(VS)(-1). L. digitata produced 246ml g(VS)(-1) and the lowest yields were from the green seaweed Ulva sp. 191ml g(VS)(-1). The methane and CO2 percentages ranged between 50-72% and 10-45%, respectively. The results demonstrated that the seaweed species investigated are good feedstocks candidates for the production of biogas and methane as a source of energy. Their use on a large-scale process will require further investigation to increase yields and reduce production costs.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    OceanRep
    Article . 2013 . Peer-reviewed
    Data sources: OceanRep
    Environmental Technology
    Article . 2013 . Peer-reviewed
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      OceanRep
      Article . 2013 . Peer-reviewed
      Data sources: OceanRep
      Environmental Technology
      Article . 2013 . Peer-reviewed
      Data sources: Crossref
      addClaim

      This Research product is the result of merged Research products in OpenAIRE.

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Vanegas, C. H.; Bartlett, J.;

    Marine algae have emerged as an alternative feedstock for the production of a number of renewable fuels, including biogas. In addition to energy potential, other characteristics make them attractive as an energy source, including their ability to absorb carbon dioxide (CO2), higher productivity rates than land-based crops and the lack of water use or land competition. For Ireland, biofuels from marine algae can play an important role by reducing imports of fossil fuels as well as providing the necessary energy in rural communities. In this study, five potential seaweed species common in Irish waters, Saccorhiza polyschides, Ulva sp., Laminaria digitata, Fucus serratus and Saccharina latissima, were co-digested individually with bovine slurry. Batch reactors of 120ml and 1000ml were set up and incubated at 35 degrees C to investigate their suitability for production of biogas. Digesters fed with S. latissima produced the maximum methane yield (335 ml g volatile solids(-1) (g(VS)(-1) followed by S. polyschides with 255 ml g(VS)(-1). L. digitata produced 246ml g(VS)(-1) and the lowest yields were from the green seaweed Ulva sp. 191ml g(VS)(-1). The methane and CO2 percentages ranged between 50-72% and 10-45%, respectively. The results demonstrated that the seaweed species investigated are good feedstocks candidates for the production of biogas and methane as a source of energy. Their use on a large-scale process will require further investigation to increase yields and reduce production costs.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    OceanRep
    Article . 2013 . Peer-reviewed
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    Environmental Technology
    Article . 2013 . Peer-reviewed
    Data sources: Crossref
    addClaim

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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao OceanReparrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      OceanRep
      Article . 2013 . Peer-reviewed
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      Environmental Technology
      Article . 2013 . Peer-reviewed
      Data sources: Crossref
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Jingzheng Ren; Hanwei Liang; Jing Yu; Weishi Zhang; +3 Authors

    Abstract Fuel Cell Vehicles (FCVs) has been introduced to the market around the world in recent years. As the largest automobile market of the world, China is also one of the potential FCVs market. However, a series of factors and barriers influence the willingness of China's customers to accept FCVs. By using Fishbone Diagram, field survey and workshop discussions, this paper proposes a group of factors that may affect customers' preferences on FCVs. Furthermore, Fuzzy AHP and Pareto Analysis are employed to prioritize these factors, and identify the critical ones. The results indicate that fuel availability, vehicle performance, and economic costs are the most important dimensions in affecting customers' attitude towards FCVs. More specifically, vehicle reliability and safety, purchasing cost, industry development, vehicle model and space contribute the most significance in customers' purchase decision. According to the results, some policy implications are proposed from the prospective of improving and demonstrating vehicle performance, government leading facility construction and operation, and costs reductions.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    International Journal of Hydrogen Energy
    Article . 2016 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      International Journal of Hydrogen Energy
      Article . 2016 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      addClaim

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Jingzheng Ren; Hanwei Liang; Jing Yu; Weishi Zhang; +3 Authors

    Abstract Fuel Cell Vehicles (FCVs) has been introduced to the market around the world in recent years. As the largest automobile market of the world, China is also one of the potential FCVs market. However, a series of factors and barriers influence the willingness of China's customers to accept FCVs. By using Fishbone Diagram, field survey and workshop discussions, this paper proposes a group of factors that may affect customers' preferences on FCVs. Furthermore, Fuzzy AHP and Pareto Analysis are employed to prioritize these factors, and identify the critical ones. The results indicate that fuel availability, vehicle performance, and economic costs are the most important dimensions in affecting customers' attitude towards FCVs. More specifically, vehicle reliability and safety, purchasing cost, industry development, vehicle model and space contribute the most significance in customers' purchase decision. According to the results, some policy implications are proposed from the prospective of improving and demonstrating vehicle performance, government leading facility construction and operation, and costs reductions.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    International Journal of Hydrogen Energy
    Article . 2016 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    addClaim

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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao PURE Aarhus Universi...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      International Journal of Hydrogen Energy
      Article . 2016 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      addClaim

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