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- Spanish; Castilian
description Publicationkeyboard_double_arrow_right Article 2019Publisher:Universidad de Costa Rica Authors: Centeno Mora, Erick; Murillo Marín, Adrián;Este artículo aborda el tema del tratamiento sostenible de las aguas residuales en pequeñas comunidades de Costa Rica. Aunque esfuerzos recientes muestran interés político en mejorar el rezago histórico que sufre el país en infraestructura sanitaria, existen pocas referencias que guíen el proceso de selección de la tecnología y escala más adecuadas para los sistemas a implantar. Este trabajo provee un análisis de tres tecnologías para plantas de tratamiento de aguas residuales (PTAR) de aplicación factible en el país. Para ello se estimó la demanda de área (DA), el costo constructivo (CC) y el costo de operación y mantenimiento (CO&M) de PTAR en diferentes escalas. Se mostró que los sistemas con humedal construido tienen la mayor DA y los menores CC y CO&M. Los sistemas con reactor anaerobio de flujo ascendente de manto de lodo seguido de filtro biológico percolador (UASB + FBP) tuvieron DA ligeramente mayores a las de los sistemas de lodos activados de aireación extendida (LAE), con CC ligeramente inferiores para la primera tecnología y CO&M de 50 a 100% mayores para los LAE. El estudio comprobó que la práctica actual de uso extendido de sistemas LAE en pequeña escala no resulta la opción más sostenible, por lo que se insta a que en el futuro se consideren escalas de PTAR mayores y se amplíe el abanico de tecnologías utilizadas en el país, aprovechando algunas recientes experiencias exitosas en países con condiciones similares. This article discusses the sustainable treatment of sewage for small communities in Costa Rica. Although recent efforts show a political interest in improving the country's historical lag in sanitation infrastructure, there are few references that guide the selection process of the most appropriate technology and scale for the systems to be installed. This work provides an analysis of three technologies for wastewater treatment plants (WWTP) of feasible application in the country. For this, the area demand (AD), the building cost (BC) and the operation and maintenance cost (O&MC) of STPs at different scales were estimated. It was shown that systems with constructed wetland have the highest AD and the lowest BC and O&MC. The systems with upflow anaerobic sludge blanket reactor followed by trickling filter (UASB + TF) had a larger AD than those of activated sludge with extended aeration (ASE), with BC smaller for the first technology and CO&M 50 to 100% higher for ASE. The study found that the current practice of extended use of small-scale ASE systems is not the most sustainable option. Thus, it is advised that future WWTP consider larger scales and alternative technologies, emulating some recent successful experiences in countries with similar conditions.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2020Publisher:Universitat Politècnica de València Authors: Guinot Pascó, Nuria;[ES] Se va a realizar un proyecto para el Green Building Council Mediterráneo que pretende contribuir a la transformación del mercado en camino hacia una edificación sostenible, que luche en favor del cambio climático. Ubicado en la última parcela de la Avenida del Puerto de Valencia, detrás de la casa Calabuig. El proyecto debe cubrir las funciones que necesita el GBC, donde se encuentra la investigación, la divulgación y la administración. La sede debe ser un edificio ejemplo de sostenibilidad. [EN] A project will be carried out for the Mediterranean Green Building, which aims to contribute to the transformation of the market on the way to a sustainable building, which fights in favour of climate change. Located on the last plot of the Avenida del Puerto de Valencia, behind the Calabuig house. The project must cover the functions that the GBC needs, where research, divulgation and administration are located. The headquarters must be an example building of sustainability.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2020Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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visibility 33visibility views 33 download downloads 2 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2020Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012Publisher:Universidad de Costa Rica, Sede de Occidente Authors: Guido Granados, Ismael G.; Sánchez Porras, Ronald;Este artículo presenta la importancia de los indicadores de sostenibilidad en el proceso de monitorear los espacios periféricos a las áreas protegidas como apoyo a las actividades de conservación que se estén desarrollando. El análisis se ejecuta mediante el desarrollo de un estudio de caso consistente en la estimación del Índice Aproximado de Sostenibilidad (IAS) en la periferia de la Reserva Biológica Alberto Manuel Brenes (ReBAMB) detallando en aspectos de la realidad socioeconómica, ambiental e institucional de las comunidades ubicadas alrededor de esta área protegida. Dicha estimación del IAS arrojó un valor de 0,59 lo cual es considerado un valor intermedio según la evaluación aplicada en esta metodología, lo cual revela que si bien no se ha presentado un deterioro excesivo en las variables analizadas, también indica que se deben generar y replantear las políticas de desarrollo aplicadas en la zona analizada, esto para garantizar la consolidación de la ReBAMB como área protegida para beneficio de las comunidades y de los procesos de conservación ejecutados en el país. This article presents the importance of having indicators of sustainability in the monitoring process of peripheral spaces around protected areas that support the development of conservation activities. The analysis was done by means of developing a case study that estimated the Sustainability Approximation Index (IAS) in the periphery of Alberto Manuel Brenes Biological Reserve (ReBAMB). It included a study of the environmental, socio-economical and infrastructure conditions of the communities located around this protected area. The results provided by the IAS show a value of 0,59 which is considered as an intermediate value according to the evaluation applied by this methodology. It reveals that even though there is not an excessive deterioration of the variables studied, there is a call for the generation and restatement of the development policies applied in the analyzed zone; this will guarantee the consolidation of the ReBAMB as a protected area that will benefit the communities and the conservation processes carried out by in the country.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.euapps Other research productkeyboard_double_arrow_right Other ORP type 2014Authors: Alegre, Helena; Cabrera Rochera, Enrique; Hein, Andreas; Brattebø, Helge;This report provides a comprehensive definition of sustainability aimed to provide a reference framework within the TRUST project. Sustainability for the Urban Water Cycle Services (UWCS) is defined in 5 dimensions (including the classial tripple bottom line plus two additional enabling dimensions) and includes the detail of objectives and assessment criteria that should be used to define assessment systems within TRUST. In other words, the TRUST sustainability framework defined in this report should be used as a reference when developing any performance assessment system within TRUST, as it provides the basic objectives and assessment criteria that should lead to adequate performance metrics. A practical implementation of this approach is the development of the online self-assessment tool which constitutes TRUST Deliverable D312. The self-assessment tool makes use of the framework developed for the whole project and develops it into a set of performance metrics to perform a quick and initial assessment of the sustainability of the system. The second part of this report provides the details on how the self-assessment tool operates, the metrics used and how the assessment is provided. As a matter of fact, D311 should be seen as the document providing the technical insight on the self-assessment tool presented in D312.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAOther ORP type . 2014License: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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visibility 154visibility views 154 download downloads 514 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAOther ORP type . 2014License: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euapps Other research product2022Publisher:Universidad de los Andes El artículo describe la relación entre el agua y el espacio construido por el hombre, desde las primeras civilizaciones urbanas hasta nuestros días, y desde el objeto arquitectónico al territorio, por medio de una serie de temas clave que permiten en parte desgranar este complejo y variable, aunque permanente vínculo: el simbolismo, la catástrofe acuática y su domesticación, el diseño del jardín, la higiene y el ocio, el bioclimatismo y la sostenibilidad. This article describes the relationship between water and human-built space, from early urban civilisations to the present time, and from the architectural object to the territory. This is carried out through the study of central topics that partly allow uncovering complex and variable (although permanent) links between symbolism, water catastrophes and water taming, garden design, hygiene and leisure, bioclimatic design, and sustainability.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA2022License: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTA2022License: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2017Publisher:Universitat Politècnica de València Authors: Montalvo Montenegro, Carlos Israel;¿Rambla¿ is a Spanish term used for rivers which only present water flow a few days per year. That is the case with most Spanish rivers. These are characterized by an ephemeral water flow in the riverbed. This is related to Spain¿s unique weather, with a seasonal temperatures regime similar to a temperate climate regime, and the aridity and low rainfall typical of dry climate; and its lithology dominated by karst that hinders the connection between river and aquifer and also enables favors water infiltration from riverbed. For this project, the conceptual distributed model TETIS has been implemented on the ¿Rambla de la Viuda¿ basin to assess the distinctive features of this kind of basins. Based on a previous implementation of the said basin model, the work sought to estimate the water losses. This was done for the purpose of trying to obtain a better hydrological representation in order to jointly model the sediment cycle . And finally, the work tried to estimate the effects of Climate Change on the watershed. Water transmission losses have been estimated using spatial information related with the process, such as maps of the karstic zones inside the basin and of the relationship between surface and groundwater flow. These maps have been used to detect the areas affected by the phenomenon. Its magnitude was related with its area according to methodologies previously applied by various authors. The magnitude was estimated taking into account the three different kinds of phenomena: areas inside karstic zones, river sections with indirect connection between surface-groundwater and the combined case. The results show 8 m3/s global losses distributed around 6.5 Km2 of the riverbed area. The introduction of the distributed water losses into the model increases its performance qualitatively evaluating the hydrograph and in quantitatively evaluating the Nash¿Sutcliffe model efficiency coefficient. The modeling of the sediment cycle was performed using information about the Ma. Cristina dam storage capacity losses related with the sediment accumulation. Information from different years was used to estimate the sediment storage. This was calculated as the difference between the older and the newer measure. The variation over time caused by the consolidation effect was taken into account. The volume of sediment obtained was used to calibrate the TETIS sediment submodel getting as result a simulated sedimentogram for the catchment. This represents the temporal variation in transport of sediment and in siltation on the dam. The results lead to the conclusion that there exists a relation between these and events of great magnitude rainfall that produce enough flow to transport large volumes of sediment. But at the same time these depend on available material in the river produced and transported in previous events. The estimation of Climate Change effects was performed using the future scenarios provided by AEMET. These provide information on temperature and precipitation downscaled from different General Circulation Models within Spain¿s geography. This information had to be corrected because, compared with the observed information, in this case the period of 1971-2000, the Control Period that represents the recent past did not represent the meteorology of the basin correctly. Therefore it did not constitute a reliable representation of the basin weather. Only the models MRI-CGCM3, MPIESM-LR, HadGEM2-CC, CMCC-CC, ACCESS1-1 y ACCESS1-3 have been used because these were the ones better applicable to the basin. Once corrected, the future scenarios RCP 4.5 and RCP 8.5 have been evaluated. These represent stabilization and increase effects of Climate Forcing for the period 2071-2100. The scenario RCP 4.5 does not show a significant difference with regard to the Control Period, with similar precipitations, temperatures and flow regime, these represent a similar hydrology. The scenario RCP 8.5 shows similar precipitations Rambla es un término utilizado en España para denominar a ríos que presentan flujo pocos días al año, siendo el caso de la inmensa mayoría de las cuencas mediterráneas españolas, caracterizadas por tener un cauce efímero, asociado a: su clima único, que presenta un régimen estacional de temperaturas similar al de los climas templados, y la aridez y escasas precipitaciones características de los climas secos; y a su litología marcada por un dominio calcáreo que dificulta la conexión entre río y acuífero y favorece la infiltración de agua en el cauce. En el presente trabajó se implementó el modelo conceptual distribuido TETIS en la Rambla de la Viuda, permitiendo evaluar las particularidades de este tipo de cuencas. Partiendo de una implementación previa del modelo dicha cuenca, se buscó estimar en la misma las pérdidas producidas en cauce debido a su litología particular, buscando obtener una mejor representación de su hidrología, para luego modelizar de manera conjunta su ciclo sedimentológico, y finalmente tratar de estimar los efectos del Cambio Climático pudiera producir sobre ella. Las pérdidas por transmisión en cauce fueron estimadas utilizando información espacial relacionada, como los mapas de zonas kársticas dentro de la cuenca, y de relación entre flujo superficial y subterráneo en el cauce. Identificando en estos las posibles zonas donde se pueda dar el fenómeno, correlacionando la magnitud del mismo al área de las zonas, siguiendo la metodología que varios autores han aplicado previamente. Ponderando la misma en función del fenómeno producido en cada caso, considerando las zonas donde el cauce se encuentra dentro de zonas kársticas, tramos donde se identifica que existe conexión indirecta por efecto ducha, y la combinación de ambos casos. Obteniendo como resultado una magnitud global de pérdidas de 8 m3/s, distribuidas a lo largo de 6.5 Km2 de área dentro del cauce, donde las zonas con efecto combinado son las más influyentes. La introducción de las mismas de manera distribuida en el modelo, incrementan considerablemente su desempeño, tanto al evaluarlo cualitativamente observando su hidrograma, como cuantitativamente evaluando estadísticos como el coeficiente de correlación de Nash & Sutcliffe. La modelización del ciclo sedimentológico se llevó a cabo utilizando información sobre la pérdida de la capacidad del embalse de Mª. Cristina que se encuentra dentro de la cuenca, asumiendo que esta se debe al proceso de acumulación de sedimento en el mismo. Utilizando información sobre su capacidad en diferentes años, asumiendo como volumen de sedimento acumulado en el periodo a la diferencia entre la medición inicial y final. Considerando además la variación en el tiempo debido al efecto de consolidación que se da en el material. Este volumen permite calibrar el submodelo sedimentológico de TETIS, obteniendo un sedimentograma simulado de la cuenca, que ofrece una variación temporal del proceso de transporte de sedimento en la misma, así como la variación temporal del proceso de aterramiento en el embalse, concluyéndose que existe una relación estrecha entre estos y los eventos de precipitación de gran magnitud, que generan los caudales necesarios para transportar grandes volúmenes de sedimento, en función del material disponible en el cauce, que es el producido y arrastrado en eventos previos. La estimación de los efectos del Cambio Climático se realizó utilizando los escenarios futuros presentados por la AEMET, que brindan información de temperatura y precipitación regionalizada de diferentes Modelos de Circulación Global dentro de la geografía española. Esta información tuvo que ser corregida previamente, debido a que en el periodo de control de la misma, que representa un pasado reciente comparable con información observada, en este caso 1971-2000, no representaba de manera correcta la meteorología de la cuenca. Se utilizaron [CA] Rambla és un terme utilitzat a Espanya per a denominar a rius que presenten flux pocs dies a l'any, sent el cas de la immensa majoria de les conques mediterrànies espanyoles, caracteritzades per tindre un llit efímer, associat a: el seu clima únic, que presenta un règim estacional de temperatures semblant al dels climes temperats, i l'aridesa i escassesa de precipitacions característiques dels climes secs; i a la seua litologia marcada per un domini calcari que dificulta la connexió entre riu i aqüífer i afavoreix la infiltració d'aigua en el llit. En aquest treball s’ha implementat el model conceptual distribuït TETIS en la Rambla de la Viuda, permetent avaluar les particularitats d’aquest tipus de conques. Partint d'una implementació prèvia del model de l’esmentada conca, es va buscar estimar en la mateixa les pèrdues produïdes en el llit degut a la seua litologia particular, buscant obtenir una millor representació de la seua hidrologia, per a després modelitzar de manera conjunta el seu cicle sedimentològic i, finalment, tractar d'estimar els efectes del Canvi Climàtic que es pogueren produir sobre ella. Les pèrdues per transmissió en el llit van ser estimades utilitzant informació espacial relacionada, com els mapes de zones càrstiques dins de la conca, i de la relació entre flux superficial i subterrani en el llit. Identificant en aquests les possibles zones on es pugui donar el fenomen, correlacionant la magnitud del mateix a l'àrea de les zones, seguint la metodologia que diversos autors han aplicat prèviament. Ponderant la mateixa en funció del fenomen produït en cada cas, considerant les zones on el llit es troba dins de zones càrstiques, trams on s'identifica que hi ha connexió indirecta per efecte dutxa, i la combinació d'ambdós casos. Obtenint com a resultat una magnitud global de pèrdues de 8 m3/s, distribuïdes al llarg de 6.5 Km2 d'àrea dins del llit, on les zones amb efecte combinat són les més influents. La introducció de les mateixes de manera distribuïda en el model, incrementen considerablement el seu exercici, tant a l'avaluar-lo qualitativament observant el seu hidrograma, com quantitativament avaluant estadístics com el coeficient de correlació de Nash & Sutcliffe. La modelització del cicle sedimentològic es va dur a terme utilitzant informació sobre la pèrdua de la capacitat de l'embassament de Mª. Cristina que es troba dins de la conca, assumint que aquesta es deu al procés d'acumulació de sediment en el mateix. Utilitzant informació sobre la seua capacitat en diferents anys, assumint com a volum de sediment acumulat en el període a la diferència entre el mesurament inicial i final. Considerant, a més, la variació en el temps a causa de l'efecte de consolidació que es dóna en el material. Aquest volum permet calibrar el submodel sedimentològic de TETIS, obtenint un sedimentograma simulat de la conca, el qual ofereix una variació temporal del procés de transport de sediments en la mateixa, així com la variació temporal del procés d'aterrament en l'embassament, concloent-se que hi ha una relació estreta entre aquestos i els esdeveniments de precipitació de gran magnitud, que generen els cabals necessaris per a transportar grans volums de sediment, en funció del material disponible en el llit, que és el produït i arrossegat en esdeveniments previs. L'estimació dels efectes del Canvi Climàtic es va realitzar utilitzant els escenaris futurs presentats per l'AEMET, que ofereixen informació de temperatura i precipitació regionalitzada de diferents Models de Circulació Global dins de la geografia espanyola. Aquesta informació va haver de ser corregida prèviament, pel fet que en el període de control de la mateixa, que representa un passat recent comparable amb la informació observada, en aquest cas 1971-2000, no representava de manera correcta la meteorologia de la conca. Es van utilitzar únicament els models MRI-CGCM3, MPIESM- LR, HadGEM2CC, CMCC-CC, ACCESS1-1 i ACCESS1-3 per ser els que millor representaven a la conca. Després de corregir-se la informació d’aquestos, es van avaluar els escenaris futurs RCP 4.5 i RCP 8.5 que representen respectivament escenaris d'estabilització i augment, en els efectes del Forçament Radioactiu, en el període 2071- 2100. L'escenari RCP 4.5 no mostra gran diferència, amb precipitació i temperatura semblants, els quals representen una hidrologia semblant, amb un règim de cabals semblant al del període de control. Per contra, RCP 8.5 presenta precipitacions semblants, però un augment considerable en les temperatures, que es reflecteix en un augment d'evapotranspiració, i que deriva, finalment, en un increment en l’estrès de la conca, reduint la magnitud dels cabals en esdeveniments grans, que són els que caracteritzen aquest tipus de conques.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2012Publisher:Universidad Autónoma de Nayarit Authors: 0; RAMIREZ CASTILLO, RICARDO JESUS;Los efectos adversos provocados por el cambio climático en las actividades económicas del sector primario pueden ser muy onerosos. Saber si estamos preparados ante las eventualidades provocadas por periodos de sequía, huracanes, tormentas, heladas y temperaturas extremas y sus consecuencias, cosechas arruinadas, hambre, migración y muerte es el primer paso en el desarrollo de políticas publicas encaminadas hacia la mitigación y adaptación a condiciones de variabilidad climática. La vulnerabilidad de un sistema de producción de alimentos enfrentado a tales condiciones climáticas crece a cada momento, generando incertidumbre acerca de la capacidad del sistema productivo para funcionar eficientemente en este contexto. En este estudio, se presenta una metodología para crear un indice de vulnerabilidad de las actividades económicas del sector primario de la región de Bahía de Banderas en la costa oeste de México. Nuestro método contiene componentes principales, una técnica estadística no paramétrica y variables que representan el uso de la tierra, irrigación, tecnología y cobertura de seguros contra desastres a través des un indice municipal de vulnerabilidad. Las variables utilizadas fueron tornadas del VIII Censo Agrícola y Ganadero y representan el uso de la tierra, irrigación y tecnología Se encontró que tres de los cuatro municipios estudiados presentan alta vulnerabilidad a la sequía y que los cuatro municipios estudiados presentan bajos niveles de cobertura de seguro agrícola y ganadero. The adverse effects of climate change on economic activities in the primary sector can be very costly. Knowing whether we are prepared for the eventualities caused by periods of drought, hurricanes, storms, frost and extreme temperatures and their consequences, crop failure, hunger, migration and death is the first step in the development of public policies aimed at mitigation and adaptation to conditions of climate variability. The vulnerability of a food production system faced with such climatic conditions grows at every moment, generating uncertainty about the capacity of the productive system to function efficiently in this context. In this study, a methodology is presented to create a vulnerability index of the economic activities of the primary sector of the Banderas Bay region on the west coast of Mexico. Our method contains major components, a nonparametric statistical technique, and variables that represent land use, irrigation, technology, and disaster insurance coverage through a municipal vulnerability index. It was found that three of the four municipalities studied are highly vulnerable to drought and that the four municipalities studied have low levels of agricultural and livestock insurance coverage.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021Publisher:Universidad de Costa Rica Authors: Podestá, Jorge; Barona, Daniel;Introducción: La familia Scolopacidae (Orden: Charadriiformes) es una de las familias más abundantes en los humedales costeros. El Humedal Costero Poza de la Arenilla cuenta con un registro histórico de 20 especies de escolopácidos; los eventos climáticos podrían afectar la distribución y migración de varias especies de esta familia taxonómica, reduciendo su riqueza y abundancia. Objetivo: Determinar la relación entre la riqueza y la abundancia de las especies pertenecientes a la familia Scolopacidae y la temperatura superficial del mar (TSM) y el índice costero El Niño (ICEN) en el Humedal Costero Poza de la Arenilla. Métodos: Se realizaron muestreos dos veces por mes entre enero 2013 y enero 2019 utilizando el método del conteo total para determinar la abundancia de las especies (N = 292). Se realizó un análisis de correlación de Spearman entre la abundancia, riqueza, TSM e ICEN, y se procedió a calcular la diversidad beta a través del índice de Whittaker, tanto para analizar el recambio anual para cada estación como el recambio estacional dentro de cada año. Resultados: Se obtuvieron dos correlaciones significativas: entre TSM y abundancia y entre ICEN y riqueza. Por otro lado, la prueba ANOSIM arrojó diferencias estacionales en las abundancias de las especies, y la prueba SIMPER arrojó que la mayor diferencia en las abundancias entre estaciones fue entre otoño y primavera (disimilitud de Bray-Curtis = 81.57 %), y la mínima entre invierno y primavera (disimilitud de Bray-Curtis = 49.86 %). Conclusiones: Las dinámicas ecológicas de las comunidades de escolopácidos en La Arenilla se ven modificadas de manera importante en función a las variaciones de los parámetros térmicos ambientales relacionados al cambio climático. Introduction: Scolopacidae family (Order: Charadriiformes) is one of the most abundant families found in coastal wetlands. La Arenilla coastal wetland has a historical record of 20 scolopacid species; climatic events could affect the distribution and migration of the several species of this taxonomic family, reducing their species richness and abundance. Objective: The aim of the present study was to determine the relationship between richness and abundance of the species belonging to the Scolopacidae family and both Sea Surface Temperature (SST) and the coastal El Niño index (ICEN) in La Arenilla Coastal Wetland, La Punta, Callao. Methods: Sampling were carried out twice a month, between January 2013 and January 2019 using the Total Count Method in order to determine species abundance (N = 292). A Spearman correlation analysis between abundance, species richness, SST and ICEN was performed, and beta diversity was calculated through the Whittaker index (βw) to analyze both the annual turnover for each season and the seasonal turnover within each year. Results: Two significant correlations were obtained: between SST and abundance and between ICEN and species richness. On the other hand, the ANOSIM test showed seasonal differences in abundance, and the SIMPER test showed that the greatest difference in abundance between seasons was between autumn and spring (Bray-Curtis dissimilarity = 81.57 %), and the minimum difference between winter and spring (Bray-Curtis dissimilarity = 49.86 %). Conclusions: The ecological dynamics of scolopacid communities in La Arenilla coastal wetland face important changes according to the variations in the environmental thermal parameters related to climate change.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Bachelor thesis 2018Publisher:Universitat Politècnica de València Authors: Ortuño Lorente, Sara Victoria;[ES] En el presente trabajo se abordan consecuencias directas de cambio medioambiental que genera el calentamiento global en base a varios estudios realizados por diversos campos y que confirman el impacto durante las próximas décadas. Siendo el sector de la construcción uno de los más contaminantes. Se enfatiza en la interpretación de los resultados de análisis ambientales y como según nuestra localización, la cuenca mediterránea, es uno de los territorios más vulnerables. Concluyendo que la comunidad valenciana sufrirá un déficit de recursos hídricos y enumerando las consecuencias que eso conlleva. Se revisan los planteamientos urbanos previsto en un futuro para la comunidad valenciana, y en concreto para la ciudad de valencia, como medida de mitigación contra los efectos del cambio climático. Y con ello se plantea un proyecto teórico de cómo adaptar la arquitectura abordándolo desde la escala ciudad, hasta la escala humana, en función de soluciones referentes existentes. [EN] In the present work are addressed direct consequences of environmental change generated by global warming based on several studies conducted by various fields and confirm the impact over the coming decades. Being the construction sector one of the most polluting. Emphasis is placed on the interpretation of environmental analysis results and how, according to our location, the Mediterranean basin is one of the most vulnerable territories. Concluding that the Valencian community will suffer a deficit of water resources and listing the consequences that entails. The urban planning foreseen in the future for the Valencian community is reviewed, and specifically for the city of valencia, as a mitigation measure against the effects of climate change. And with this a theoretical project is proposed on how to adapt the architecture addressing it from the city scale, to the human scale, based on existing reference solutions.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTABachelor thesis . 2018Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTABachelor thesis . 2018Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Bachelor thesis 2019 ColombiaPublisher:Universidad EAN Authors: Villamil Rosada, Johnny; Villamil Rosada, Milton César;Las energías solar y eólica, son consideradas fuentes de energías limpias y renovables, que no generan contaminación ambiental; la energía solar, se origina a partir de la radiación electromagnética del sol, sobre alguna superficie de recepción; la energía eólica resulta a partir de la trasformación de la fuerza que produce el viento. Dentro del presente estudio e investigación sobre el tema propuesto, se plantea un sistema de aplicación híbrido (solar y eólico), que permita su implementación en una vivienda rural de aproximadamente 350 M2, supliendo las necesidades energéticas que se presentan, para lo cual se desarrolla un estudio del promedio de consumo de energía eléctrica del predio seleccionado, dentro del mismo estudio se obtienen los resultados de la información recaudada y analizada, que permite viabilizar si se puede generar un re direccionamiento de la energía residual producida por el sistema híbrido, permitiendo obtener un beneficio económico por la venta de esta energía sobre el sistema de generación eléctrica convencional. Solar and wind energy are considered sources of clean and renewable energy, which do not contain environmental pollution; solar energy originated from the electromagnetic radiation of the sun, on some receiving surface; wind energy resulting from the transformation of the force produced by the wind. Within the present study and research on the proposed topic, a hybrid application system (solar and wind) is proposed, which allows its implementation in a rural dwelling of approximately 350 M2, meeting the energy needs that arise, for which it is developed A study of the average electrical energy consumption of the selected property, within the same study, the results of the information collected and analyzed are obtained, which allows to make viable if a redirection of the residual energy produced by the hybrid system can be generated, obtain a benefit economic for the sale of this energy over the conventional electricity generation system. Especialista en Gerencia de Proyectos
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description Publicationkeyboard_double_arrow_right Article 2019Publisher:Universidad de Costa Rica Authors: Centeno Mora, Erick; Murillo Marín, Adrián;Este artículo aborda el tema del tratamiento sostenible de las aguas residuales en pequeñas comunidades de Costa Rica. Aunque esfuerzos recientes muestran interés político en mejorar el rezago histórico que sufre el país en infraestructura sanitaria, existen pocas referencias que guíen el proceso de selección de la tecnología y escala más adecuadas para los sistemas a implantar. Este trabajo provee un análisis de tres tecnologías para plantas de tratamiento de aguas residuales (PTAR) de aplicación factible en el país. Para ello se estimó la demanda de área (DA), el costo constructivo (CC) y el costo de operación y mantenimiento (CO&M) de PTAR en diferentes escalas. Se mostró que los sistemas con humedal construido tienen la mayor DA y los menores CC y CO&M. Los sistemas con reactor anaerobio de flujo ascendente de manto de lodo seguido de filtro biológico percolador (UASB + FBP) tuvieron DA ligeramente mayores a las de los sistemas de lodos activados de aireación extendida (LAE), con CC ligeramente inferiores para la primera tecnología y CO&M de 50 a 100% mayores para los LAE. El estudio comprobó que la práctica actual de uso extendido de sistemas LAE en pequeña escala no resulta la opción más sostenible, por lo que se insta a que en el futuro se consideren escalas de PTAR mayores y se amplíe el abanico de tecnologías utilizadas en el país, aprovechando algunas recientes experiencias exitosas en países con condiciones similares. This article discusses the sustainable treatment of sewage for small communities in Costa Rica. Although recent efforts show a political interest in improving the country's historical lag in sanitation infrastructure, there are few references that guide the selection process of the most appropriate technology and scale for the systems to be installed. This work provides an analysis of three technologies for wastewater treatment plants (WWTP) of feasible application in the country. For this, the area demand (AD), the building cost (BC) and the operation and maintenance cost (O&MC) of STPs at different scales were estimated. It was shown that systems with constructed wetland have the highest AD and the lowest BC and O&MC. The systems with upflow anaerobic sludge blanket reactor followed by trickling filter (UASB + TF) had a larger AD than those of activated sludge with extended aeration (ASE), with BC smaller for the first technology and CO&M 50 to 100% higher for ASE. The study found that the current practice of extended use of small-scale ASE systems is not the most sustainable option. Thus, it is advised that future WWTP consider larger scales and alternative technologies, emulating some recent successful experiences in countries with similar conditions.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2020Publisher:Universitat Politècnica de València Authors: Guinot Pascó, Nuria;[ES] Se va a realizar un proyecto para el Green Building Council Mediterráneo que pretende contribuir a la transformación del mercado en camino hacia una edificación sostenible, que luche en favor del cambio climático. Ubicado en la última parcela de la Avenida del Puerto de Valencia, detrás de la casa Calabuig. El proyecto debe cubrir las funciones que necesita el GBC, donde se encuentra la investigación, la divulgación y la administración. La sede debe ser un edificio ejemplo de sostenibilidad. [EN] A project will be carried out for the Mediterranean Green Building, which aims to contribute to the transformation of the market on the way to a sustainable building, which fights in favour of climate change. Located on the last plot of the Avenida del Puerto de Valencia, behind the Calabuig house. The project must cover the functions that the GBC needs, where research, divulgation and administration are located. The headquarters must be an example building of sustainability.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2020Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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visibility 33visibility views 33 download downloads 2 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2020Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2012Publisher:Universidad de Costa Rica, Sede de Occidente Authors: Guido Granados, Ismael G.; Sánchez Porras, Ronald;Este artículo presenta la importancia de los indicadores de sostenibilidad en el proceso de monitorear los espacios periféricos a las áreas protegidas como apoyo a las actividades de conservación que se estén desarrollando. El análisis se ejecuta mediante el desarrollo de un estudio de caso consistente en la estimación del Índice Aproximado de Sostenibilidad (IAS) en la periferia de la Reserva Biológica Alberto Manuel Brenes (ReBAMB) detallando en aspectos de la realidad socioeconómica, ambiental e institucional de las comunidades ubicadas alrededor de esta área protegida. Dicha estimación del IAS arrojó un valor de 0,59 lo cual es considerado un valor intermedio según la evaluación aplicada en esta metodología, lo cual revela que si bien no se ha presentado un deterioro excesivo en las variables analizadas, también indica que se deben generar y replantear las políticas de desarrollo aplicadas en la zona analizada, esto para garantizar la consolidación de la ReBAMB como área protegida para beneficio de las comunidades y de los procesos de conservación ejecutados en el país. This article presents the importance of having indicators of sustainability in the monitoring process of peripheral spaces around protected areas that support the development of conservation activities. The analysis was done by means of developing a case study that estimated the Sustainability Approximation Index (IAS) in the periphery of Alberto Manuel Brenes Biological Reserve (ReBAMB). It included a study of the environmental, socio-economical and infrastructure conditions of the communities located around this protected area. The results provided by the IAS show a value of 0,59 which is considered as an intermediate value according to the evaluation applied by this methodology. It reveals that even though there is not an excessive deterioration of the variables studied, there is a call for the generation and restatement of the development policies applied in the analyzed zone; this will guarantee the consolidation of the ReBAMB as a protected area that will benefit the communities and the conservation processes carried out by in the country.
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For further information contact us at helpdesk@openaire.euapps Other research productkeyboard_double_arrow_right Other ORP type 2014Authors: Alegre, Helena; Cabrera Rochera, Enrique; Hein, Andreas; Brattebø, Helge;This report provides a comprehensive definition of sustainability aimed to provide a reference framework within the TRUST project. Sustainability for the Urban Water Cycle Services (UWCS) is defined in 5 dimensions (including the classial tripple bottom line plus two additional enabling dimensions) and includes the detail of objectives and assessment criteria that should be used to define assessment systems within TRUST. In other words, the TRUST sustainability framework defined in this report should be used as a reference when developing any performance assessment system within TRUST, as it provides the basic objectives and assessment criteria that should lead to adequate performance metrics. A practical implementation of this approach is the development of the online self-assessment tool which constitutes TRUST Deliverable D312. The self-assessment tool makes use of the framework developed for the whole project and develops it into a set of performance metrics to perform a quick and initial assessment of the sustainability of the system. The second part of this report provides the details on how the self-assessment tool operates, the metrics used and how the assessment is provided. As a matter of fact, D311 should be seen as the document providing the technical insight on the self-assessment tool presented in D312.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAOther ORP type . 2014License: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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visibility 154visibility views 154 download downloads 514 Powered bymore_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAOther ORP type . 2014License: CC BY NC NDData sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euapps Other research product2022Publisher:Universidad de los Andes El artículo describe la relación entre el agua y el espacio construido por el hombre, desde las primeras civilizaciones urbanas hasta nuestros días, y desde el objeto arquitectónico al territorio, por medio de una serie de temas clave que permiten en parte desgranar este complejo y variable, aunque permanente vínculo: el simbolismo, la catástrofe acuática y su domesticación, el diseño del jardín, la higiene y el ocio, el bioclimatismo y la sostenibilidad. This article describes the relationship between water and human-built space, from early urban civilisations to the present time, and from the architectural object to the territory. This is carried out through the study of central topics that partly allow uncovering complex and variable (although permanent) links between symbolism, water catastrophes and water taming, garden design, hygiene and leisure, bioclimatic design, and sustainability.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2017Publisher:Universitat Politècnica de València Authors: Montalvo Montenegro, Carlos Israel;¿Rambla¿ is a Spanish term used for rivers which only present water flow a few days per year. That is the case with most Spanish rivers. These are characterized by an ephemeral water flow in the riverbed. This is related to Spain¿s unique weather, with a seasonal temperatures regime similar to a temperate climate regime, and the aridity and low rainfall typical of dry climate; and its lithology dominated by karst that hinders the connection between river and aquifer and also enables favors water infiltration from riverbed. For this project, the conceptual distributed model TETIS has been implemented on the ¿Rambla de la Viuda¿ basin to assess the distinctive features of this kind of basins. Based on a previous implementation of the said basin model, the work sought to estimate the water losses. This was done for the purpose of trying to obtain a better hydrological representation in order to jointly model the sediment cycle . And finally, the work tried to estimate the effects of Climate Change on the watershed. Water transmission losses have been estimated using spatial information related with the process, such as maps of the karstic zones inside the basin and of the relationship between surface and groundwater flow. These maps have been used to detect the areas affected by the phenomenon. Its magnitude was related with its area according to methodologies previously applied by various authors. The magnitude was estimated taking into account the three different kinds of phenomena: areas inside karstic zones, river sections with indirect connection between surface-groundwater and the combined case. The results show 8 m3/s global losses distributed around 6.5 Km2 of the riverbed area. The introduction of the distributed water losses into the model increases its performance qualitatively evaluating the hydrograph and in quantitatively evaluating the Nash¿Sutcliffe model efficiency coefficient. The modeling of the sediment cycle was performed using information about the Ma. Cristina dam storage capacity losses related with the sediment accumulation. Information from different years was used to estimate the sediment storage. This was calculated as the difference between the older and the newer measure. The variation over time caused by the consolidation effect was taken into account. The volume of sediment obtained was used to calibrate the TETIS sediment submodel getting as result a simulated sedimentogram for the catchment. This represents the temporal variation in transport of sediment and in siltation on the dam. The results lead to the conclusion that there exists a relation between these and events of great magnitude rainfall that produce enough flow to transport large volumes of sediment. But at the same time these depend on available material in the river produced and transported in previous events. The estimation of Climate Change effects was performed using the future scenarios provided by AEMET. These provide information on temperature and precipitation downscaled from different General Circulation Models within Spain¿s geography. This information had to be corrected because, compared with the observed information, in this case the period of 1971-2000, the Control Period that represents the recent past did not represent the meteorology of the basin correctly. Therefore it did not constitute a reliable representation of the basin weather. Only the models MRI-CGCM3, MPIESM-LR, HadGEM2-CC, CMCC-CC, ACCESS1-1 y ACCESS1-3 have been used because these were the ones better applicable to the basin. Once corrected, the future scenarios RCP 4.5 and RCP 8.5 have been evaluated. These represent stabilization and increase effects of Climate Forcing for the period 2071-2100. The scenario RCP 4.5 does not show a significant difference with regard to the Control Period, with similar precipitations, temperatures and flow regime, these represent a similar hydrology. The scenario RCP 8.5 shows similar precipitations Rambla es un término utilizado en España para denominar a ríos que presentan flujo pocos días al año, siendo el caso de la inmensa mayoría de las cuencas mediterráneas españolas, caracterizadas por tener un cauce efímero, asociado a: su clima único, que presenta un régimen estacional de temperaturas similar al de los climas templados, y la aridez y escasas precipitaciones características de los climas secos; y a su litología marcada por un dominio calcáreo que dificulta la conexión entre río y acuífero y favorece la infiltración de agua en el cauce. En el presente trabajó se implementó el modelo conceptual distribuido TETIS en la Rambla de la Viuda, permitiendo evaluar las particularidades de este tipo de cuencas. Partiendo de una implementación previa del modelo dicha cuenca, se buscó estimar en la misma las pérdidas producidas en cauce debido a su litología particular, buscando obtener una mejor representación de su hidrología, para luego modelizar de manera conjunta su ciclo sedimentológico, y finalmente tratar de estimar los efectos del Cambio Climático pudiera producir sobre ella. Las pérdidas por transmisión en cauce fueron estimadas utilizando información espacial relacionada, como los mapas de zonas kársticas dentro de la cuenca, y de relación entre flujo superficial y subterráneo en el cauce. Identificando en estos las posibles zonas donde se pueda dar el fenómeno, correlacionando la magnitud del mismo al área de las zonas, siguiendo la metodología que varios autores han aplicado previamente. Ponderando la misma en función del fenómeno producido en cada caso, considerando las zonas donde el cauce se encuentra dentro de zonas kársticas, tramos donde se identifica que existe conexión indirecta por efecto ducha, y la combinación de ambos casos. Obteniendo como resultado una magnitud global de pérdidas de 8 m3/s, distribuidas a lo largo de 6.5 Km2 de área dentro del cauce, donde las zonas con efecto combinado son las más influyentes. La introducción de las mismas de manera distribuida en el modelo, incrementan considerablemente su desempeño, tanto al evaluarlo cualitativamente observando su hidrograma, como cuantitativamente evaluando estadísticos como el coeficiente de correlación de Nash & Sutcliffe. La modelización del ciclo sedimentológico se llevó a cabo utilizando información sobre la pérdida de la capacidad del embalse de Mª. Cristina que se encuentra dentro de la cuenca, asumiendo que esta se debe al proceso de acumulación de sedimento en el mismo. Utilizando información sobre su capacidad en diferentes años, asumiendo como volumen de sedimento acumulado en el periodo a la diferencia entre la medición inicial y final. Considerando además la variación en el tiempo debido al efecto de consolidación que se da en el material. Este volumen permite calibrar el submodelo sedimentológico de TETIS, obteniendo un sedimentograma simulado de la cuenca, que ofrece una variación temporal del proceso de transporte de sedimento en la misma, así como la variación temporal del proceso de aterramiento en el embalse, concluyéndose que existe una relación estrecha entre estos y los eventos de precipitación de gran magnitud, que generan los caudales necesarios para transportar grandes volúmenes de sedimento, en función del material disponible en el cauce, que es el producido y arrastrado en eventos previos. La estimación de los efectos del Cambio Climático se realizó utilizando los escenarios futuros presentados por la AEMET, que brindan información de temperatura y precipitación regionalizada de diferentes Modelos de Circulación Global dentro de la geografía española. Esta información tuvo que ser corregida previamente, debido a que en el periodo de control de la misma, que representa un pasado reciente comparable con información observada, en este caso 1971-2000, no representaba de manera correcta la meteorología de la cuenca. Se utilizaron [CA] Rambla és un terme utilitzat a Espanya per a denominar a rius que presenten flux pocs dies a l'any, sent el cas de la immensa majoria de les conques mediterrànies espanyoles, caracteritzades per tindre un llit efímer, associat a: el seu clima únic, que presenta un règim estacional de temperatures semblant al dels climes temperats, i l'aridesa i escassesa de precipitacions característiques dels climes secs; i a la seua litologia marcada per un domini calcari que dificulta la connexió entre riu i aqüífer i afavoreix la infiltració d'aigua en el llit. En aquest treball s’ha implementat el model conceptual distribuït TETIS en la Rambla de la Viuda, permetent avaluar les particularitats d’aquest tipus de conques. Partint d'una implementació prèvia del model de l’esmentada conca, es va buscar estimar en la mateixa les pèrdues produïdes en el llit degut a la seua litologia particular, buscant obtenir una millor representació de la seua hidrologia, per a després modelitzar de manera conjunta el seu cicle sedimentològic i, finalment, tractar d'estimar els efectes del Canvi Climàtic que es pogueren produir sobre ella. Les pèrdues per transmissió en el llit van ser estimades utilitzant informació espacial relacionada, com els mapes de zones càrstiques dins de la conca, i de la relació entre flux superficial i subterrani en el llit. Identificant en aquests les possibles zones on es pugui donar el fenomen, correlacionant la magnitud del mateix a l'àrea de les zones, seguint la metodologia que diversos autors han aplicat prèviament. Ponderant la mateixa en funció del fenomen produït en cada cas, considerant les zones on el llit es troba dins de zones càrstiques, trams on s'identifica que hi ha connexió indirecta per efecte dutxa, i la combinació d'ambdós casos. Obtenint com a resultat una magnitud global de pèrdues de 8 m3/s, distribuïdes al llarg de 6.5 Km2 d'àrea dins del llit, on les zones amb efecte combinat són les més influents. La introducció de les mateixes de manera distribuïda en el model, incrementen considerablement el seu exercici, tant a l'avaluar-lo qualitativament observant el seu hidrograma, com quantitativament avaluant estadístics com el coeficient de correlació de Nash & Sutcliffe. La modelització del cicle sedimentològic es va dur a terme utilitzant informació sobre la pèrdua de la capacitat de l'embassament de Mª. Cristina que es troba dins de la conca, assumint que aquesta es deu al procés d'acumulació de sediment en el mateix. Utilitzant informació sobre la seua capacitat en diferents anys, assumint com a volum de sediment acumulat en el període a la diferència entre el mesurament inicial i final. Considerant, a més, la variació en el temps a causa de l'efecte de consolidació que es dóna en el material. Aquest volum permet calibrar el submodel sedimentològic de TETIS, obtenint un sedimentograma simulat de la conca, el qual ofereix una variació temporal del procés de transport de sediments en la mateixa, així com la variació temporal del procés d'aterrament en l'embassament, concloent-se que hi ha una relació estreta entre aquestos i els esdeveniments de precipitació de gran magnitud, que generen els cabals necessaris per a transportar grans volums de sediment, en funció del material disponible en el llit, que és el produït i arrossegat en esdeveniments previs. L'estimació dels efectes del Canvi Climàtic es va realitzar utilitzant els escenaris futurs presentats per l'AEMET, que ofereixen informació de temperatura i precipitació regionalitzada de diferents Models de Circulació Global dins de la geografia espanyola. Aquesta informació va haver de ser corregida prèviament, pel fet que en el període de control de la mateixa, que representa un passat recent comparable amb la informació observada, en aquest cas 1971-2000, no representava de manera correcta la meteorologia de la conca. Es van utilitzar únicament els models MRI-CGCM3, MPIESM- LR, HadGEM2CC, CMCC-CC, ACCESS1-1 i ACCESS1-3 per ser els que millor representaven a la conca. Després de corregir-se la informació d’aquestos, es van avaluar els escenaris futurs RCP 4.5 i RCP 8.5 que representen respectivament escenaris d'estabilització i augment, en els efectes del Forçament Radioactiu, en el període 2071- 2100. L'escenari RCP 4.5 no mostra gran diferència, amb precipitació i temperatura semblants, els quals representen una hidrologia semblant, amb un règim de cabals semblant al del període de control. Per contra, RCP 8.5 presenta precipitacions semblants, però un augment considerable en les temperatures, que es reflecteix en un augment d'evapotranspiració, i que deriva, finalment, en un increment en l’estrès de la conca, reduint la magnitud dels cabals en esdeveniments grans, que són els que caracteritzen aquest tipus de conques.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTAMaster thesis . 2017Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Master thesis 2012Publisher:Universidad Autónoma de Nayarit Authors: 0; RAMIREZ CASTILLO, RICARDO JESUS;Los efectos adversos provocados por el cambio climático en las actividades económicas del sector primario pueden ser muy onerosos. Saber si estamos preparados ante las eventualidades provocadas por periodos de sequía, huracanes, tormentas, heladas y temperaturas extremas y sus consecuencias, cosechas arruinadas, hambre, migración y muerte es el primer paso en el desarrollo de políticas publicas encaminadas hacia la mitigación y adaptación a condiciones de variabilidad climática. La vulnerabilidad de un sistema de producción de alimentos enfrentado a tales condiciones climáticas crece a cada momento, generando incertidumbre acerca de la capacidad del sistema productivo para funcionar eficientemente en este contexto. En este estudio, se presenta una metodología para crear un indice de vulnerabilidad de las actividades económicas del sector primario de la región de Bahía de Banderas en la costa oeste de México. Nuestro método contiene componentes principales, una técnica estadística no paramétrica y variables que representan el uso de la tierra, irrigación, tecnología y cobertura de seguros contra desastres a través des un indice municipal de vulnerabilidad. Las variables utilizadas fueron tornadas del VIII Censo Agrícola y Ganadero y representan el uso de la tierra, irrigación y tecnología Se encontró que tres de los cuatro municipios estudiados presentan alta vulnerabilidad a la sequía y que los cuatro municipios estudiados presentan bajos niveles de cobertura de seguro agrícola y ganadero. The adverse effects of climate change on economic activities in the primary sector can be very costly. Knowing whether we are prepared for the eventualities caused by periods of drought, hurricanes, storms, frost and extreme temperatures and their consequences, crop failure, hunger, migration and death is the first step in the development of public policies aimed at mitigation and adaptation to conditions of climate variability. The vulnerability of a food production system faced with such climatic conditions grows at every moment, generating uncertainty about the capacity of the productive system to function efficiently in this context. In this study, a methodology is presented to create a vulnerability index of the economic activities of the primary sector of the Banderas Bay region on the west coast of Mexico. Our method contains major components, a nonparametric statistical technique, and variables that represent land use, irrigation, technology, and disaster insurance coverage through a municipal vulnerability index. It was found that three of the four municipalities studied are highly vulnerable to drought and that the four municipalities studied have low levels of agricultural and livestock insurance coverage.
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2021Publisher:Universidad de Costa Rica Authors: Podestá, Jorge; Barona, Daniel;Introducción: La familia Scolopacidae (Orden: Charadriiformes) es una de las familias más abundantes en los humedales costeros. El Humedal Costero Poza de la Arenilla cuenta con un registro histórico de 20 especies de escolopácidos; los eventos climáticos podrían afectar la distribución y migración de varias especies de esta familia taxonómica, reduciendo su riqueza y abundancia. Objetivo: Determinar la relación entre la riqueza y la abundancia de las especies pertenecientes a la familia Scolopacidae y la temperatura superficial del mar (TSM) y el índice costero El Niño (ICEN) en el Humedal Costero Poza de la Arenilla. Métodos: Se realizaron muestreos dos veces por mes entre enero 2013 y enero 2019 utilizando el método del conteo total para determinar la abundancia de las especies (N = 292). Se realizó un análisis de correlación de Spearman entre la abundancia, riqueza, TSM e ICEN, y se procedió a calcular la diversidad beta a través del índice de Whittaker, tanto para analizar el recambio anual para cada estación como el recambio estacional dentro de cada año. Resultados: Se obtuvieron dos correlaciones significativas: entre TSM y abundancia y entre ICEN y riqueza. Por otro lado, la prueba ANOSIM arrojó diferencias estacionales en las abundancias de las especies, y la prueba SIMPER arrojó que la mayor diferencia en las abundancias entre estaciones fue entre otoño y primavera (disimilitud de Bray-Curtis = 81.57 %), y la mínima entre invierno y primavera (disimilitud de Bray-Curtis = 49.86 %). Conclusiones: Las dinámicas ecológicas de las comunidades de escolopácidos en La Arenilla se ven modificadas de manera importante en función a las variaciones de los parámetros térmicos ambientales relacionados al cambio climático. Introduction: Scolopacidae family (Order: Charadriiformes) is one of the most abundant families found in coastal wetlands. La Arenilla coastal wetland has a historical record of 20 scolopacid species; climatic events could affect the distribution and migration of the several species of this taxonomic family, reducing their species richness and abundance. Objective: The aim of the present study was to determine the relationship between richness and abundance of the species belonging to the Scolopacidae family and both Sea Surface Temperature (SST) and the coastal El Niño index (ICEN) in La Arenilla Coastal Wetland, La Punta, Callao. Methods: Sampling were carried out twice a month, between January 2013 and January 2019 using the Total Count Method in order to determine species abundance (N = 292). A Spearman correlation analysis between abundance, species richness, SST and ICEN was performed, and beta diversity was calculated through the Whittaker index (βw) to analyze both the annual turnover for each season and the seasonal turnover within each year. Results: Two significant correlations were obtained: between SST and abundance and between ICEN and species richness. On the other hand, the ANOSIM test showed seasonal differences in abundance, and the SIMPER test showed that the greatest difference in abundance between seasons was between autumn and spring (Bray-Curtis dissimilarity = 81.57 %), and the minimum difference between winter and spring (Bray-Curtis dissimilarity = 49.86 %). Conclusions: The ecological dynamics of scolopacid communities in La Arenilla coastal wetland face important changes according to the variations in the environmental thermal parameters related to climate change.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Bachelor thesis 2018Publisher:Universitat Politècnica de València Authors: Ortuño Lorente, Sara Victoria;[ES] En el presente trabajo se abordan consecuencias directas de cambio medioambiental que genera el calentamiento global en base a varios estudios realizados por diversos campos y que confirman el impacto durante las próximas décadas. Siendo el sector de la construcción uno de los más contaminantes. Se enfatiza en la interpretación de los resultados de análisis ambientales y como según nuestra localización, la cuenca mediterránea, es uno de los territorios más vulnerables. Concluyendo que la comunidad valenciana sufrirá un déficit de recursos hídricos y enumerando las consecuencias que eso conlleva. Se revisan los planteamientos urbanos previsto en un futuro para la comunidad valenciana, y en concreto para la ciudad de valencia, como medida de mitigación contra los efectos del cambio climático. Y con ello se plantea un proyecto teórico de cómo adaptar la arquitectura abordándolo desde la escala ciudad, hasta la escala humana, en función de soluciones referentes existentes. [EN] In the present work are addressed direct consequences of environmental change generated by global warming based on several studies conducted by various fields and confirm the impact over the coming decades. Being the construction sector one of the most polluting. Emphasis is placed on the interpretation of environmental analysis results and how, according to our location, the Mediterranean basin is one of the most vulnerable territories. Concluding that the Valencian community will suffer a deficit of water resources and listing the consequences that entails. The urban planning foreseen in the future for the Valencian community is reviewed, and specifically for the city of valencia, as a mitigation measure against the effects of climate change. And with this a theoretical project is proposed on how to adapt the architecture addressing it from the city scale, to the human scale, based on existing reference solutions.
Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTABachelor thesis . 2018Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Recolector de Cienci... arrow_drop_down Recolector de Ciencia Abierta, RECOLECTABachelor thesis . 2018Data sources: Recolector de Ciencia Abierta, RECOLECTAadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Bachelor thesis 2019 ColombiaPublisher:Universidad EAN Authors: Villamil Rosada, Johnny; Villamil Rosada, Milton César;Las energías solar y eólica, son consideradas fuentes de energías limpias y renovables, que no generan contaminación ambiental; la energía solar, se origina a partir de la radiación electromagnética del sol, sobre alguna superficie de recepción; la energía eólica resulta a partir de la trasformación de la fuerza que produce el viento. Dentro del presente estudio e investigación sobre el tema propuesto, se plantea un sistema de aplicación híbrido (solar y eólico), que permita su implementación en una vivienda rural de aproximadamente 350 M2, supliendo las necesidades energéticas que se presentan, para lo cual se desarrolla un estudio del promedio de consumo de energía eléctrica del predio seleccionado, dentro del mismo estudio se obtienen los resultados de la información recaudada y analizada, que permite viabilizar si se puede generar un re direccionamiento de la energía residual producida por el sistema híbrido, permitiendo obtener un beneficio económico por la venta de esta energía sobre el sistema de generación eléctrica convencional. Solar and wind energy are considered sources of clean and renewable energy, which do not contain environmental pollution; solar energy originated from the electromagnetic radiation of the sun, on some receiving surface; wind energy resulting from the transformation of the force produced by the wind. Within the present study and research on the proposed topic, a hybrid application system (solar and wind) is proposed, which allows its implementation in a rural dwelling of approximately 350 M2, meeting the energy needs that arise, for which it is developed A study of the average electrical energy consumption of the selected property, within the same study, the results of the information collected and analyzed are obtained, which allows to make viable if a redirection of the residual energy produced by the hybrid system can be generated, obtain a benefit economic for the sale of this energy over the conventional electricity generation system. Especialista en Gerencia de Proyectos
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For further information contact us at helpdesk@openaire.euAccess RoutesGreen 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!
more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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