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description Publicationkeyboard_double_arrow_right Article , Other literature type 2017Publisher:Springer Science and Business Media LLC Authors: Ingo Karschin; Alex G. Berg; Jutta Geldermann;Cogeneration of heat and electricity is an important pillar of energy and climate policy. To plan the production and distribution system of combined heat and power (CHP) systems for residential heating, suitable methods for decision support are needed. For a comprehensive feasibility analysis, the integration of the location and capacity planning of the power plants, the choice of customers, and the network planning of the heating network into one optimization model are necessary. Thus, we develop an optimization model for electricity generation and heat supply. This mixed integer linear program (MILP) is based on graph theory for network flow problems. We apply the network location model for the optimization of district heating systems in the City of Osorno in Chile, which exhibits the “checkerboard layout” typically found in many South American cities. The network location model can support the strategic planning of investments in renewable energy projects because it permits the analysis of changing energy prices, calculation of break-even prices for heat and electricity, and estimation of greenhouse gas emission savings.
Zeitschrift für Ener... arrow_drop_down Zeitschrift für EnergiewirtschaftArticle . 2017 . Peer-reviewedLicense: Springer TDMData sources: CrossrefUniversitätsbibliographie, Universität Duisburg-EssenArticle . 2018Data sources: Universitätsbibliographie, Universität Duisburg-EssenAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s12398-017-0216-9&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert Zeitschrift für Ener... arrow_drop_down Zeitschrift für EnergiewirtschaftArticle . 2017 . Peer-reviewedLicense: Springer TDMData sources: CrossrefUniversitätsbibliographie, Universität Duisburg-EssenArticle . 2018Data sources: Universitätsbibliographie, Universität Duisburg-EssenAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s12398-017-0216-9&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2016Publisher:American Association for the Advancement of Science (AAAS) Funded by:EC | LUC4CEC| LUC4CAuthors: R. Alkama; A. Cescatti;pmid: 26912702
It's not only the carbon in the trees Forest loss affects climate not just because of the impacts it has on the carbon cycle, but also because of how it affects the fluxes of energy and water between the land and the atmosphere. Evaluating global impact is complicated because deforestation can produce different results in different climate zones, making it hard to determine large-scale trends rather than more local ones. Alkama and Cescatti conducted a global assessment of the biophysical effects of forest cover change. Forest loss amplifies diurnal temperature variations, increases mean and maximum air temperatures, and causes a significant amount of warming when compared to CO 2 emission from land-use change. Science , this issue p. 600
Science arrow_drop_down http://dx.doi.org/10.1126/scie...Other literature typeData sources: European Union Open Data PortalAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1126/science.aac8083&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu639 citations 639 popularity Top 0.1% influence Top 1% impulse Top 0.1% Powered by BIP!
more_vert Science arrow_drop_down http://dx.doi.org/10.1126/scie...Other literature typeData sources: European Union Open Data PortalAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1126/science.aac8083&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2017 IrelandPublisher:Elsevier BV Publicly fundedAuthors: David M. Wall; Jerry D. Murphy; Jerry D. Murphy; Shane McDonagh;Biomethane is a flexible energy vector that can be used as a renewable fuel for both the heat and transport sectors. Recent EU legislation encourages the production and use of advanced, third generation biofuels with improved sustainability for future energy systems. The integration of technologies such as anaerobic digestion, gasification, and power to gas, along with advanced feedstocks such as algae will be at the forefront in meeting future sustainability criteria and achieving a green gas supply for the gas grid. This paper explores the relevant pathways in which an integrated biomethane industry could potentially materialise and identifies and discusses the latest biotechnological advances in the production of renewable gas. Three scenarios of cascading biomethane systems are developed.
Bioresource Technolo... arrow_drop_down Cork Open Research Archive (CORA)Article . 2017License: CC BY NC NDData sources: Cork Open Research Archive (CORA)All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.biortech.2017.07.115&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu66 citations 66 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert Bioresource Technolo... arrow_drop_down Cork Open Research Archive (CORA)Article . 2017License: CC BY NC NDData sources: Cork Open Research Archive (CORA)All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.biortech.2017.07.115&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2018Publisher:Springer Science and Business Media LLC Authors: Gloria Amoruso; Natasha Donevska; Gunstein Skomedal;Buildings in private and domestic use are responsible for about 30% of the global greenhouse gas emissions attributable mainly to their need for heating and cooling energy. This corresponds to about 40% of the global final energy consumption. Therefore, a viable implementation of building energy efficiency policies is inevitable to realize a transformation of the energy system to mitigate climate change. Within the building sector lies a huge potential for emission reduction consisting in the renovation of the existing building stock and climate-friendly building guidelines applicable to new constructions, both adapting CO2-neutral technology solutions. However, as there are several different pathways leading to a decarbonized energy system, there is always the question which political and technological solutions are most efficient, effective, and feasible. This paper aims to analyze building efficiency policy measures and instruments and the related technological solutions in two front-runner countries of the energy transition, possessing different structural conditions: Germany and Norway. We hence apply a comparative approach which allows us to present and assess the policies in place. The paper answers three research questions: (1) Which policies prevail in Germany and Norway to foster the deployment of energy efficient and decarbonized solutions for residential buildings? (2) How do these policies respond to country-specific barriers to the energy transition in the building sector, and (3) What effects do they have on the actual implementation of technological and societal solutions? This research provides a new insight to the highly relevant topic of energy efficiency in buildings in the context of international Intended Nationally Determined Contribution benchmarking and discusses some unsolved trade-offs in the translation of the global climate governance into the national building sector.
All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s12053-018-9637-5&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu35 citations 35 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s12053-018-9637-5&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2017 GermanyPublisher:Elsevier BV Feng Zhao; Jörg Durner; J. Barbro Winkler; Claudia Traidl-Hoffmann; Tim-Matthias Strom; Dieter Ernst; Ulrike Frank;pmid: 28284545
Common ragweed (Ambrosia artemisiifolia L.) is a highly allergenic annual ruderal plant and native to Northern America, but now also spreading across Europe. Air pollution and climate change will not only affect plant growth, pollen production and duration of the whole pollen season, but also the amount of allergenic encoding transcripts and proteins of the pollen. The objective of this study was to get a better understanding of transcriptional changes in ragweed pollen upon NO2 and O3 fumigation. This will also contribute to a systems biology approach to understand the reaction of the allergenic pollen to air pollution and climate change. Ragweed plants were grown in climate chambers under controlled conditions and fumigated with enhanced levels of NO2 and O3. Illumina sequencing and de novo assembly revealed significant differentially expressed transcripts, belonging to different gene ontology (GO) terms that were grouped into biological process and molecular function. Transcript levels of the known Amb a ragweed encoding allergens were clearly up-regulated under elevated NO2, whereas the amount of allergen encoding transcripts was more variable under elevated O3 conditions. Moreover transcripts encoding allergen known from other plants could be identified. The transcriptional changes in ragweed pollen upon elevated NO2 fumigation indicates that air pollution will alter the transcriptome of the pollen. The changed levels of allergenic encoding transcripts may have an influence on the total allergenic potential of ragweed pollen.
All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.envpol.2017.02.032&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu38 citations 38 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.envpol.2017.02.032&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2008Publisher:Springer Science and Business Media LLC Authors: Manfred Köhler;Building facades are under permanent environmental influences, such as sun and acid rain, which age and can ultimately destroy them. Living wall systems can protect facades and offer similar benefits to those gained from installing a green roof. A view back in history shows that vegetated facades are not new technology but can offer multiple benefits as a component of current urban design. In the 19th century, in many European and some North American cities, woody climbers were frequently used as a cover for simple facades. In Central Europe in the 1980s a growing interest in environmental issues resulted in the vision to bring nature into cities. In many German cities incentive programmes were developed, including some that supported tenant initiatives for planting and maintaining climbers in their backyards and facades. Since the 1980s, research has been conducted on issues such as the insulating effects of plants on facades, the ability of plants to mitigate dust, plants’ evaporative cooling effects, and habitat creation for urban wildlife, including birds, spiders and beetles. The aim of this paper is to review research activities on the green wall and facade technology with a focus on Germany. The potential of green facades to improve urban microclimate and buildings’ ecological footprint is high, but they have not developed a widespread presence outside of Germany because they are not as well known as green roofs and there is a lack of implementation guidelines and incentive programs in other countries.
All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s11252-008-0063-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu280 citations 280 popularity Top 1% influence Top 1% impulse Top 10% Powered by BIP!
more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s11252-008-0063-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2009 United KingdomPublisher:Elsevier BV Authors: Ludwig, Wolfgang; Dumont, Egon; Meybeck, Michel; Heussner, Serge;Rivers are important sources of freshwater and nutrients for the Mediterranean and Black Sea. We present a reconstruction of the spatial and temporal variability of these inputs since the early 1960s, based on a review of available data on water discharge, nutrient concentrations and climatic parameters. Our compilation indicates that Mediterranean rivers suffer from a significant reduction in freshwater discharge, contrary to rivers of the Black Sea, which do not have clear discharge trends. We estimate this reduction to be at least about 20% between 1960 and 2000. It mainly reflects recent climate change, and dam construction may have reduced discharge even further. A similar decrease can also be expected for the fluxes of dissolved silica (Si), strongly controlled by water discharge and potentially reduced by river damming as well. This contrasts with the fluxes of nitrogen (N) and phosphorus (P) in Mediterranean and Black Sea rivers, which were strongly enhanced by anthropogenic sources. Their total inputs to the Mediterranean Sea could have increased by a factor of >5. While N still remained at elevated levels in 2000, P only increased up to the 1980–1990s, and then rapidly dropped down to about the initial values of the 1960s. With respect to the marine primary production that can be supported by the riverine nutrient inputs, Mediterranean and the Black Sea rivers were mostly phosphorus limited during the study period. Their anthropogenic nutrient enrichment could only have had a fertilizing effect before the general decline of the P loads. When also considering Si as a limiting element, which is the case for siliceous primary producers such as diatoms, silica limitation may have become a widespread phenomenon in the Mediterranean rivers since the early 1980s. For the Black Sea rivers, this already started the late 1960s. Gross primary production sustained by rivers (PPR) represents only less than 2% of the gross production (PP) in the Mediterranean, and less than 5% in the Black Sea. Possible ecological impacts of the changing river inputs should therefore be visible only in productive coastal areas, such as the Gulf of Lions, where PPR can reach more than two thirds of PP. Reported ecosystem changes both in the Adriatic Sea and the Black Sea are concomitant with major changes in the reconstructed river inputs. Further work combining modelling and data collection is needed to test whether this may also have been the case for coastal ecosystems at other places in the Mediterranean and Black Sea.
All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.pocean.2009.02.001&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu588 citations 588 popularity Top 0.1% influence Top 1% impulse Top 1% Powered by BIP!
more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.pocean.2009.02.001&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 DenmarkPublisher:Elsevier BV Authors: Philip Kerner; Martin Kalthaus; Tobias Wendler;We analyze how countries with different institutional settings use natural resources for economic growth. For a panel of 159 countries over the period 1992–2010, we estimate how the effect of a permanent increase in the growth rate of GDP on the growth rate of resource use depends on political institutional quality. We study this relationship for total resource use and for its subclasses fossil fuels, biomass, non-metallic minerals, and metal ores. Our results show that the effect of an increase of economic growth on total resource use growth is higher for countries with higher political institutional quality. This result holds for the subclasses biomass and non-metallic minerals and in most specifications for metal ores. In contrast, we find no positive association for fossil fuels. We reconcile our results with endogenous growth theory and suggest technology and input prices as transmission channels. In this interpretation, our results highlight that institutions provide important framework conditions, but they are no general panacea to further decrease the resource dependency of economic growth.
All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.eneco.2023.106942&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu9 citations 9 popularity Average influence Average impulse Top 10% Powered by BIP!
more_vert All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.eneco.2023.106942&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2005 SwitzerlandPublisher:Elsevier BV Authors: Chachuat, Benoit; Roche, Nicolas; Latifi, Razak;This paper discusses the influence of time horizon on dynamic optimization of small-size wastewater treatment plants alternating aerobic and anoxic processes. The optimization problem consists in determining the aeration policy (air-on and air-off periods) that minimizes the energy dissipated by the aeration system subject to both effluent and operating constraints. Optimization over short time horizons is first considered and reductions of the energy consumption up to 30% are obtained with respect to the usual operating mode of the process. But the application of such aeration strategies eventually results in a biomass wash-out when applied over long time periods. Here, it is shown that long time horizon optimized policies guarantee a durable functioning of the treatment plant. The resulting energy consumption savings are however lower (up to 15%), but are still important.
Chemical Engineering... arrow_drop_down Chemical Engineering and Processing - Process IntensificationArticle . 2005 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefChemical Engineering and Processing - Process IntensificationJournalData sources: Microsoft Academic GraphAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.cep.2004.08.002&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu32 citations 32 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Chemical Engineering... arrow_drop_down Chemical Engineering and Processing - Process IntensificationArticle . 2005 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefChemical Engineering and Processing - Process IntensificationJournalData sources: Microsoft Academic GraphAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.cep.2004.08.002&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2022 Germany, AustriaPublisher:Elsevier BV Anke Uhl; Hans Jürgen Hahn; Anne Jäger; Teresa Luftensteiner; Tobias Siemensmeyer; Petra Döll; Markus Noack; Klaus Schwenk; Sven Berkhoff; Markus Weiler; Clemens Karwautz; Christian Griebler;pmid: 35635915
In many parts of the world, climate change has already caused a decline in groundwater recharge, whereas groundwater demand for drinking water production and irrigation continues to increase. In such regions, groundwater tables are steadily declining with major consequences for groundwater-surface water interactions. Predominantly gaining streams that rely on discharge of groundwater from the adjacent aquifer turn into predominantly losing streams whose water seeps into the underground. This reversal of groundwater-surface water interactions is associated with an increase of low river flows, drying of stream beds, and a switch of lotic ecosystems from perennial to intermittent, with consequences for fluvial and groundwater dependent ecosystems. Moreover, water infiltrating from rivers and streams can carry a complex mix of contaminants. Accordingly, the diversity and concentrations of compounds detected in groundwater has been increasing over the past decades. During low flow, stream and river discharge may consist mainly of treated wastewater. In losing stream systems, this contaminated water seeps into the adjoining aquifers. This threatens both ecosystems as well as drinking and irrigation water quality. Climate change is therefore severely altering landscape water balances, with groundwater-surface water-interactions having reached a tipping point in many cases. Current model projections harbor huge uncertainties and scientific evidence for these tipping points remains very limited. In particular, quantitative data on groundwater-surface water-interactions are scarce both on the local and the catchment scale. The result is poor public or political awareness, and appropriate management measures await implementation.
All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.watres.2022.118649&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu24 citations 24 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
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For further information contact us at helpdesk@openaire.eu
description Publicationkeyboard_double_arrow_right Article , Other literature type 2017Publisher:Springer Science and Business Media LLC Authors: Ingo Karschin; Alex G. Berg; Jutta Geldermann;Cogeneration of heat and electricity is an important pillar of energy and climate policy. To plan the production and distribution system of combined heat and power (CHP) systems for residential heating, suitable methods for decision support are needed. For a comprehensive feasibility analysis, the integration of the location and capacity planning of the power plants, the choice of customers, and the network planning of the heating network into one optimization model are necessary. Thus, we develop an optimization model for electricity generation and heat supply. This mixed integer linear program (MILP) is based on graph theory for network flow problems. We apply the network location model for the optimization of district heating systems in the City of Osorno in Chile, which exhibits the “checkerboard layout” typically found in many South American cities. The network location model can support the strategic planning of investments in renewable energy projects because it permits the analysis of changing energy prices, calculation of break-even prices for heat and electricity, and estimation of greenhouse gas emission savings.
Zeitschrift für Ener... arrow_drop_down Zeitschrift für EnergiewirtschaftArticle . 2017 . Peer-reviewedLicense: Springer TDMData sources: CrossrefUniversitätsbibliographie, Universität Duisburg-EssenArticle . 2018Data sources: Universitätsbibliographie, Universität Duisburg-EssenAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s12398-017-0216-9&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert Zeitschrift für Ener... arrow_drop_down Zeitschrift für EnergiewirtschaftArticle . 2017 . Peer-reviewedLicense: Springer TDMData sources: CrossrefUniversitätsbibliographie, Universität Duisburg-EssenArticle . 2018Data sources: Universitätsbibliographie, Universität Duisburg-EssenAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s12398-017-0216-9&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2016Publisher:American Association for the Advancement of Science (AAAS) Funded by:EC | LUC4CEC| LUC4CAuthors: R. Alkama; A. Cescatti;pmid: 26912702
It's not only the carbon in the trees Forest loss affects climate not just because of the impacts it has on the carbon cycle, but also because of how it affects the fluxes of energy and water between the land and the atmosphere. Evaluating global impact is complicated because deforestation can produce different results in different climate zones, making it hard to determine large-scale trends rather than more local ones. Alkama and Cescatti conducted a global assessment of the biophysical effects of forest cover change. Forest loss amplifies diurnal temperature variations, increases mean and maximum air temperatures, and causes a significant amount of warming when compared to CO 2 emission from land-use change. Science , this issue p. 600
Science arrow_drop_down http://dx.doi.org/10.1126/scie...Other literature typeData sources: European Union Open Data PortalAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1126/science.aac8083&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu639 citations 639 popularity Top 0.1% influence Top 1% impulse Top 0.1% Powered by BIP!
more_vert Science arrow_drop_down http://dx.doi.org/10.1126/scie...Other literature typeData sources: European Union Open Data PortalAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1126/science.aac8083&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2017 IrelandPublisher:Elsevier BV Publicly fundedAuthors: David M. Wall; Jerry D. Murphy; Jerry D. Murphy; Shane McDonagh;Biomethane is a flexible energy vector that can be used as a renewable fuel for both the heat and transport sectors. Recent EU legislation encourages the production and use of advanced, third generation biofuels with improved sustainability for future energy systems. The integration of technologies such as anaerobic digestion, gasification, and power to gas, along with advanced feedstocks such as algae will be at the forefront in meeting future sustainability criteria and achieving a green gas supply for the gas grid. This paper explores the relevant pathways in which an integrated biomethane industry could potentially materialise and identifies and discusses the latest biotechnological advances in the production of renewable gas. Three scenarios of cascading biomethane systems are developed.
Bioresource Technolo... arrow_drop_down Cork Open Research Archive (CORA)Article . 2017License: CC BY NC NDData sources: Cork Open Research Archive (CORA)All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.biortech.2017.07.115&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu66 citations 66 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!
more_vert Bioresource Technolo... arrow_drop_down Cork Open Research Archive (CORA)Article . 2017License: CC BY NC NDData sources: Cork Open Research Archive (CORA)All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.biortech.2017.07.115&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2018Publisher:Springer Science and Business Media LLC Authors: Gloria Amoruso; Natasha Donevska; Gunstein Skomedal;Buildings in private and domestic use are responsible for about 30% of the global greenhouse gas emissions attributable mainly to their need for heating and cooling energy. This corresponds to about 40% of the global final energy consumption. Therefore, a viable implementation of building energy efficiency policies is inevitable to realize a transformation of the energy system to mitigate climate change. Within the building sector lies a huge potential for emission reduction consisting in the renovation of the existing building stock and climate-friendly building guidelines applicable to new constructions, both adapting CO2-neutral technology solutions. However, as there are several different pathways leading to a decarbonized energy system, there is always the question which political and technological solutions are most efficient, effective, and feasible. This paper aims to analyze building efficiency policy measures and instruments and the related technological solutions in two front-runner countries of the energy transition, possessing different structural conditions: Germany and Norway. We hence apply a comparative approach which allows us to present and assess the policies in place. The paper answers three research questions: (1) Which policies prevail in Germany and Norway to foster the deployment of energy efficient and decarbonized solutions for residential buildings? (2) How do these policies respond to country-specific barriers to the energy transition in the building sector, and (3) What effects do they have on the actual implementation of technological and societal solutions? This research provides a new insight to the highly relevant topic of energy efficiency in buildings in the context of international Intended Nationally Determined Contribution benchmarking and discusses some unsolved trade-offs in the translation of the global climate governance into the national building sector.
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For further information contact us at helpdesk@openaire.eu35 citations 35 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2017 GermanyPublisher:Elsevier BV Feng Zhao; Jörg Durner; J. Barbro Winkler; Claudia Traidl-Hoffmann; Tim-Matthias Strom; Dieter Ernst; Ulrike Frank;pmid: 28284545
Common ragweed (Ambrosia artemisiifolia L.) is a highly allergenic annual ruderal plant and native to Northern America, but now also spreading across Europe. Air pollution and climate change will not only affect plant growth, pollen production and duration of the whole pollen season, but also the amount of allergenic encoding transcripts and proteins of the pollen. The objective of this study was to get a better understanding of transcriptional changes in ragweed pollen upon NO2 and O3 fumigation. This will also contribute to a systems biology approach to understand the reaction of the allergenic pollen to air pollution and climate change. Ragweed plants were grown in climate chambers under controlled conditions and fumigated with enhanced levels of NO2 and O3. Illumina sequencing and de novo assembly revealed significant differentially expressed transcripts, belonging to different gene ontology (GO) terms that were grouped into biological process and molecular function. Transcript levels of the known Amb a ragweed encoding allergens were clearly up-regulated under elevated NO2, whereas the amount of allergen encoding transcripts was more variable under elevated O3 conditions. Moreover transcripts encoding allergen known from other plants could be identified. The transcriptional changes in ragweed pollen upon elevated NO2 fumigation indicates that air pollution will alter the transcriptome of the pollen. The changed levels of allergenic encoding transcripts may have an influence on the total allergenic potential of ragweed pollen.
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For further information contact us at helpdesk@openaire.eu38 citations 38 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2008Publisher:Springer Science and Business Media LLC Authors: Manfred Köhler;Building facades are under permanent environmental influences, such as sun and acid rain, which age and can ultimately destroy them. Living wall systems can protect facades and offer similar benefits to those gained from installing a green roof. A view back in history shows that vegetated facades are not new technology but can offer multiple benefits as a component of current urban design. In the 19th century, in many European and some North American cities, woody climbers were frequently used as a cover for simple facades. In Central Europe in the 1980s a growing interest in environmental issues resulted in the vision to bring nature into cities. In many German cities incentive programmes were developed, including some that supported tenant initiatives for planting and maintaining climbers in their backyards and facades. Since the 1980s, research has been conducted on issues such as the insulating effects of plants on facades, the ability of plants to mitigate dust, plants’ evaporative cooling effects, and habitat creation for urban wildlife, including birds, spiders and beetles. The aim of this paper is to review research activities on the green wall and facade technology with a focus on Germany. The potential of green facades to improve urban microclimate and buildings’ ecological footprint is high, but they have not developed a widespread presence outside of Germany because they are not as well known as green roofs and there is a lack of implementation guidelines and incentive programs in other countries.
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For further information contact us at helpdesk@openaire.eu280 citations 280 popularity Top 1% influence Top 1% impulse Top 10% Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2009 United KingdomPublisher:Elsevier BV Authors: Ludwig, Wolfgang; Dumont, Egon; Meybeck, Michel; Heussner, Serge;Rivers are important sources of freshwater and nutrients for the Mediterranean and Black Sea. We present a reconstruction of the spatial and temporal variability of these inputs since the early 1960s, based on a review of available data on water discharge, nutrient concentrations and climatic parameters. Our compilation indicates that Mediterranean rivers suffer from a significant reduction in freshwater discharge, contrary to rivers of the Black Sea, which do not have clear discharge trends. We estimate this reduction to be at least about 20% between 1960 and 2000. It mainly reflects recent climate change, and dam construction may have reduced discharge even further. A similar decrease can also be expected for the fluxes of dissolved silica (Si), strongly controlled by water discharge and potentially reduced by river damming as well. This contrasts with the fluxes of nitrogen (N) and phosphorus (P) in Mediterranean and Black Sea rivers, which were strongly enhanced by anthropogenic sources. Their total inputs to the Mediterranean Sea could have increased by a factor of >5. While N still remained at elevated levels in 2000, P only increased up to the 1980–1990s, and then rapidly dropped down to about the initial values of the 1960s. With respect to the marine primary production that can be supported by the riverine nutrient inputs, Mediterranean and the Black Sea rivers were mostly phosphorus limited during the study period. Their anthropogenic nutrient enrichment could only have had a fertilizing effect before the general decline of the P loads. When also considering Si as a limiting element, which is the case for siliceous primary producers such as diatoms, silica limitation may have become a widespread phenomenon in the Mediterranean rivers since the early 1980s. For the Black Sea rivers, this already started the late 1960s. Gross primary production sustained by rivers (PPR) represents only less than 2% of the gross production (PP) in the Mediterranean, and less than 5% in the Black Sea. Possible ecological impacts of the changing river inputs should therefore be visible only in productive coastal areas, such as the Gulf of Lions, where PPR can reach more than two thirds of PP. Reported ecosystem changes both in the Adriatic Sea and the Black Sea are concomitant with major changes in the reconstructed river inputs. Further work combining modelling and data collection is needed to test whether this may also have been the case for coastal ecosystems at other places in the Mediterranean and Black Sea.
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For further information contact us at helpdesk@openaire.eu588 citations 588 popularity Top 0.1% influence Top 1% impulse Top 1% Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2023 DenmarkPublisher:Elsevier BV Authors: Philip Kerner; Martin Kalthaus; Tobias Wendler;We analyze how countries with different institutional settings use natural resources for economic growth. For a panel of 159 countries over the period 1992–2010, we estimate how the effect of a permanent increase in the growth rate of GDP on the growth rate of resource use depends on political institutional quality. We study this relationship for total resource use and for its subclasses fossil fuels, biomass, non-metallic minerals, and metal ores. Our results show that the effect of an increase of economic growth on total resource use growth is higher for countries with higher political institutional quality. This result holds for the subclasses biomass and non-metallic minerals and in most specifications for metal ores. In contrast, we find no positive association for fossil fuels. We reconcile our results with endogenous growth theory and suggest technology and input prices as transmission channels. In this interpretation, our results highlight that institutions provide important framework conditions, but they are no general panacea to further decrease the resource dependency of economic growth.
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For further information contact us at helpdesk@openaire.eu9 citations 9 popularity Average influence Average impulse Top 10% Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2005 SwitzerlandPublisher:Elsevier BV Authors: Chachuat, Benoit; Roche, Nicolas; Latifi, Razak;This paper discusses the influence of time horizon on dynamic optimization of small-size wastewater treatment plants alternating aerobic and anoxic processes. The optimization problem consists in determining the aeration policy (air-on and air-off periods) that minimizes the energy dissipated by the aeration system subject to both effluent and operating constraints. Optimization over short time horizons is first considered and reductions of the energy consumption up to 30% are obtained with respect to the usual operating mode of the process. But the application of such aeration strategies eventually results in a biomass wash-out when applied over long time periods. Here, it is shown that long time horizon optimized policies guarantee a durable functioning of the treatment plant. The resulting energy consumption savings are however lower (up to 15%), but are still important.
Chemical Engineering... arrow_drop_down Chemical Engineering and Processing - Process IntensificationArticle . 2005 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefChemical Engineering and Processing - Process IntensificationJournalData sources: Microsoft Academic GraphAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.cep.2004.08.002&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu32 citations 32 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Chemical Engineering... arrow_drop_down Chemical Engineering and Processing - Process IntensificationArticle . 2005 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefChemical Engineering and Processing - Process IntensificationJournalData sources: Microsoft Academic GraphAll Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.cep.2004.08.002&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2022 Germany, AustriaPublisher:Elsevier BV Anke Uhl; Hans Jürgen Hahn; Anne Jäger; Teresa Luftensteiner; Tobias Siemensmeyer; Petra Döll; Markus Noack; Klaus Schwenk; Sven Berkhoff; Markus Weiler; Clemens Karwautz; Christian Griebler;pmid: 35635915
In many parts of the world, climate change has already caused a decline in groundwater recharge, whereas groundwater demand for drinking water production and irrigation continues to increase. In such regions, groundwater tables are steadily declining with major consequences for groundwater-surface water interactions. Predominantly gaining streams that rely on discharge of groundwater from the adjacent aquifer turn into predominantly losing streams whose water seeps into the underground. This reversal of groundwater-surface water interactions is associated with an increase of low river flows, drying of stream beds, and a switch of lotic ecosystems from perennial to intermittent, with consequences for fluvial and groundwater dependent ecosystems. Moreover, water infiltrating from rivers and streams can carry a complex mix of contaminants. Accordingly, the diversity and concentrations of compounds detected in groundwater has been increasing over the past decades. During low flow, stream and river discharge may consist mainly of treated wastewater. In losing stream systems, this contaminated water seeps into the adjoining aquifers. This threatens both ecosystems as well as drinking and irrigation water quality. Climate change is therefore severely altering landscape water balances, with groundwater-surface water-interactions having reached a tipping point in many cases. Current model projections harbor huge uncertainties and scientific evidence for these tipping points remains very limited. In particular, quantitative data on groundwater-surface water-interactions are scarce both on the local and the catchment scale. The result is poor public or political awareness, and appropriate management measures await implementation.
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