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description Publicationkeyboard_double_arrow_right Article 2021 NetherlandsPublisher:Elsevier BV Funded by:EC | iSQAPEREC| iSQAPERFernando Teixeira; Gottlieb Basch; Abdallah Alaoui; Tatenda Lemann; Marie Wesselink; Wijnand Sukkel; Julie Lemesle; Carla Ferreira; Adelcia Veiga; Fuensanta García-Orenes; Alicia Morugán-Coronado; Jorge Mataix-Solera; Costas Kosmas; Matjaž Glavan; Tóth Zoltán; Tamás Hermann; Olga Vizitiu; Jerzy Lipiec; Magdalena Frąc; Endla Reintam; Minggang Xu; Haimei Fu; Hongzhu Fan; Luuk Fleskens;Abstract A study was carried out to assess if the visual soil assessment method (VSA) would allow recognizing differences between soils receiving organic matter (OM) amendments and similar control soils, by the observation of visual soil quality indicators’ score. 36 practices were identified across 8 pedoclimatic zones. These fields/plots were paired with nearby control fields/plots, without OM amendments, sharing similar farming features. A survey, comprising a VSA of the soil structure status, surface ponding, signs of erosion, earthworm counts and soil stability (slake test), complemented by measurements of soil organic matter (SOM) and permanganate oxidizable organic carbon (LOC) content, soil pH, penetration resistance and texture, on soils of both management system groups (OM addition and Control), was performed in 2016. Correlations of the visual soil quality indicators’ score with SOM, LOC, other soil properties and climate variables and indices were calculated within each group; the correlations between soil properties, and between soil properties (SOM and LOC) and climate variables were also calculated. A statistically significantly higher proportion of soils of the OM group had a good score for “soil structure and consistency” and “soil porosity”. These differences are not directly explained by non-inherent soil properties. No statistically significant Spearman’s correlation coefficients were observed between “soil structure and consistency” and either soil properties or climate variables; concerning “soil porosity”, distinct statistically significant correlations were observed between the two groups with different climate variables and indices. Correlations between the scores of the visual soil quality indicators and climate variables were found to follow the same directions of correlations of LOC content with the same climate variables, although the latter correlations were weak. Mean SOM and LOC content, were slightly higher in the OM group, although differences were not statistically significant. A high linear correlation between LOC (mg/g) and SOM (%) (r = 0.65, n = 26) exists within the Control group, but not within the OM group (r = 0.20 and n = 26). When the relationship of SOM and LOC content with visual soil quality indicators’ score was studied, statistically significant correlations were only observed between SOM and “earthworm count” within the Control group (rs = 0.44), and between LOC and “soil colour” within the OM group (rs=-0.52). Both LOC content and LOC status (ranked as a function of LOC content and soil texture), had only negative statistically significant correlations with visual soil quality indicators’ score, questioning their worth as stand-alone soil quality indicators.
Research@WUR; Soil a... arrow_drop_down add 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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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.still.2021.105033&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu8 citations 8 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Research@WUR; Soil a... arrow_drop_down 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.still.2021.105033&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 Netherlands, France, FrancePublisher:Elsevier BV Funded by:EC | EuroMixEC| EuroMixLichtenstein, Dajana; Luckert, Claudia; Alarcan, Jimmy; de Sousa, Georges; Gioutlakis, Michail; Katsanou, Efrosini S.; Konstantinidou, Parthena; Machera, Kyriaki; Milani, Emanuela S.; Peijnenburg, Ad; Rahmani, Roger; Rijkers, Deborah; Spyropoulou, Anastasia; Stamou, Marianna; Stoopen, Geert; Sturla, Shana J.; Wollscheid, Bernd; Zucchini-Pascal, Nathalie; Braeuning, Albert; Lampen, Alfonso;pmid: 32201337
Exposure to complex chemical mixtures requires a tiered strategy for efficient mixture risk assessment. As a part of the EuroMix project we developed an adverse outcome pathway (AOP)-based assay toolbox to investigate the combined effects of the liver steatosis-inducing compounds imazalil, thiacloprid, and clothianidin in human HepaRG hepatocarcinoma cells. Compound-specific relative potency factors were determined using a benchmark dose approach. Equipotent mixtures were tested for nuclear receptor activation, gene and protein expression, and triglyceride accumulation, according to the molecular initiating events and key events proposed in the steatosis AOP. All three compounds affected the activity of nuclear receptors, but not key genes/proteins as proposed. Triglyceride accumulation was observed with three different methods. Mixture effects were in agreement with the assumption of dose additivity for all the combinations and endpoints tested. Compound-specific RPFs remained similar over the different endpoints studied downstream the AOP. Therefore, it might be possible to reduce testing to a smaller battery of key tests. The results demonstrate the suitability of our in vitro assay toolbox, integrated within an AOP framework and combined with the RPF approach, for the analysis of steatotic effects of chemical mixtures. However, mRNA results suggest that the steatosis AOP still needs improvement. International audience
Research@WUR; Food a... arrow_drop_down 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.fct.2020.111283&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu42 citations 42 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!more_vert Research@WUR; Food a... arrow_drop_down 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.fct.2020.111283&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Book , Conference object 2019 SwitzerlandPublisher:IEEE Funded by:EC | ERA-PLANETEC| ERA-PLANETAuthors: Moomen, Abdul-Wadood; Bertolotto, Michela; Lacroix, Pierre Marcel Anselme; Jensen, David;Moomen, Abdul-Wadood; Bertolotto, Michela; Lacroix, Pierre Marcel Anselme; Jensen, David;This paper explores the spatial relationship between mining and agricultural activities towards meeting the United Nations (UN) Agenda 2030 Sustainable Development Goals (SDGs) in Northwest Ghana. Agenda 2030 SDGs highlight the importance of poverty reduction, livelihood enhancement, and food security. A state's natural resources include both nonagricultural and agricultural resources. There is a renewed interest in large-scale mining in Ghana, entering into previously underexplored areas in the Northwest, an area dominated by agriculture. With the emergence of mining in this region, this study combines both satellite imagery, covering years 2000, 2010 and 2018, and ground truthing data to conduct baseline studies and assess changes in land use over time. We compared known data sets and field knowledge with satellite data to objectively measure changes in the distribution of surface water, farmlands and grasscover over time. The study finds increasing areas of surface water, abundant grasscover and farmlands within leases in the area. These growing abundance of land use and land cover types provide opportunities for commercial livestock keeping, extensive and intensive crop farming. The classified satellite images revealed the existence of more farmlands and potential cultivable areas than reported by agriculture extension offices. Most of these areas overlap with mining concessions and could be modelled for commercial food production and local job creation. The occurrence of mining and agricultural activities in rural subsistence farming communities often indicate conflict. However, a co-exitence of both sectors has a strong opportunity to drive inclusive growth for smallholder farmers; reduce poverty, generate income and uphold sustainable development.
Archive ouverte UNIG... arrow_drop_down 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/agro-geoinformatics.2019.8820500&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert Archive ouverte UNIG... arrow_drop_down 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/agro-geoinformatics.2019.8820500&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2018 SwitzerlandPublisher:Elsevier BV Funded by:EC | COMPAREEC| COMPAREJungwirth, N; Puff, C; Köster, K; Mischke, R; Meyer, H; Stark, A; Thoma, B; Zöller, G; Seehusen, F; Hewicker-Trautwein, M; Beineke, A; Baumgärtner, W; Wohlsein, P;pmid: 29422319
Within 4 weeks, five cats with skin lesions affecting the hindlimbs and mainly consisting of oedema, hyperaemia and plaque-like alterations were presented to the same veterinary clinic. The cats were suffering from lameness, trauma, renal insufficiency or complicated tail amputation. Although the lesions seemed unusual for a poxvirus infection, microscopical examination of biopsy samples or specimens taken during necropsy examination revealed ballooning degeneration of keratinocytes with eosinophilic, cytoplasmic inclusion bodies indicative of an orthopoxvirus infection. Cowpox virus infection was verified using immunohistochemistry and virus isolation. Molecular analysis revealed identical haemagglutinin gene sequences in four cases and spatiotemporal circumstances in some cases pointed to hospital-acquired transmission. Unusual manifestations of feline cowpox may have an unexpected risk for human infection.
Zurich Open Reposito... arrow_drop_down Zurich Open Repository and ArchiveOther literature type . Article . 2018Journal of Comparative PathologyOther literature type . Article . 2018 . Peer-reviewedLicense: Elsevier TDMadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jcpa.2017.12.003&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu10 citations 10 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert Zurich Open Reposito... arrow_drop_down Zurich Open Repository and ArchiveOther literature type . Article . 2018Journal of Comparative PathologyOther literature type . Article . 2018 . Peer-reviewedLicense: Elsevier TDMadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jcpa.2017.12.003&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2017 SwitzerlandPublisher:Elsevier BV Funded by:EC | ERA-PLANETEC| ERA-PLANETGregory Giuliani; Hy Dao; Andréa De Bono; Bruno Chatenoux; Karin Allenbach; Pierric de Laborie; Denisa Rodila; Nikos Alexandris; Pascal Peduzzi;Abstract Global environmental changes are mostly induced by human activities (e.g., food and energy production, urbanization, mining activities). To assess and understand these changes that are occurring all around the planet, regular and continuous monitoring is an essential condition. However, due to the potentially large area spread over numerous locations that need to be followed, this usually leads to a low frequency of monitoring of environmental changes of only a few selected sites at best. With the increasing number of freely and openly accessible big remotely-sensed Earth Observations (EO) Data repositories and the increasing capabilities of open and interoperable software solutions it is now possible to automate various EO data processing tasks to monitor environmental changes at large scale. This paper presents the Live Monitoring of Earth Surface (LiMES) framework that helps to automate image processing tasks in transforming raw data into information and knowledge through workflows using interoperable processing service chains for monitoring environmental changes. Both benefits and limitations are demonstrated and discussed through the implementation of a prototype to facilitate the update on the status of some of the 278 UNEP Environmental Hotspots. We believe that such a framework can help to reduce the gap between massive volumes of EO data and the users such as International Organizations (IO) in order to help them better fulfil their environmental monitoring mandates by bringing raw data to a level which can be used by non-remote sensing experts for basic impacts assessments.
Archive ouverte UNIG... arrow_drop_down Remote Sensing of EnvironmentOther literature type . Article . 2017 . Peer-reviewedLicense: Elsevier TDMadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.rse.2017.05.040&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 Archive ouverte UNIG... arrow_drop_down Remote Sensing of EnvironmentOther literature type . Article . 2017 . Peer-reviewedLicense: Elsevier TDMadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.rse.2017.05.040&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2016 SwitzerlandPublisher:AIP Publishing Funded by:EC | CHEETAH, EC | FAST TRACKEC| CHEETAH ,EC| FAST TRACKRiesen, Y.; Stuckelberger, M.; Haug, F.-J.; Ballif, C.; Wyrsch, N.;doi: 10.1063/1.4940392
Thin-film hydrogenated amorphous silicon solar (a-Si:H) cells are known to have better temperature coefficients than crystalline silicon cells. To investigate whether a-Si:H cells that are optimized for standard conditions (STC) also have the highest energy yield, we measured the temperature and irradiance dependence of the maximum power output (Pmpp), the fill factor (FF), the short-circuit current density (Jsc), and the open-circuit voltage (Voc) for four series of cells fabricated with different deposition conditions. The parameters varied during plasma-enhanced chemical vapor deposition (PE-CVD) were the power and frequency of the PE-CVD generator, the hydrogen-to-silane dilution during deposition of the intrinsic absorber layer (i-layer), and the thicknesses of the a-Si:H i-layer and p-type hydrogenated amorphous silicon carbide layer. The results show that the temperature coefficient of the Voc generally varies linearly with the Voc value. The Jsc increases linearly with temperature mainly due to temperature-induced bandgap reduction and reduced recombination. The FF temperature dependence is not linear and reaches a maximum at temperatures between 15 °C and 80 °C. Numerical simulations show that this behavior is due to a more positive space-charge induced by the photogenerated holes in the p-layer and to a recombination decrease with temperature. Due to the FF(T) behavior, the Pmpp (T) curves also have a maximum, but at a lower temperature. Moreover, for most series, the cells with the highest power output at STC also have the best energy yield. However, the Pmpp (T) curves of two cells with different i-layer thicknesses cross each other in the operating cell temperature range, indicating that the cell with the highest power output could, for instance, have a lower energy yield than the other cell. A simple energy-yield simulation for the light-soaked and annealed states shows that for Neuchâtel (Switzerland) the best cell at STC also has the best energy yield. However, for a different climate or cell configuration, this may not be true.
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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1063/1.4940392&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 27 citations 27 popularity Top 10% influence Top 10% impulse Top 10% 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1063/1.4940392&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2013 Switzerland, SwedenPublisher:American Chemical Society (ACS) Funded by:EC | SANS, EC | EU BONEC| SANS ,EC| EU BONEllis, Hanna; Eriksson, Susanna K.; Feldt, Sandra M.; Gabrielsson, Erik; Lohse, Peter W.; Lindblad, Rebecka; Sun, Licheng; Rensmo, Haakan; Boschloo, Gerrit; Hagfeldt, Anders;doi: 10.1021/jp403619c
Linker unit modification of donor-linker-acceptor-based organic dyes was investigated with respect to the spectral and physicochemical properties of the dyes. The spectral response for a series of triphenylamine (TPA)-based organic dyes, called LEG1-4, was shifted into the red wavelength region, and the extinction coefficient of the dyes was increased by introducing different substituted dithiophene units on the pi-conjugated linker. The photovoltaic performance of dye-sensitized solar cells (DSCs) incorporating the different dyes in combination with cobalt-based electrolytes was found to be dependent on dye binding. The binding morphology of the dyes on the TiO2 was studied using photoelectron spectroscopy, which demonstrated that the introduction of alkyl chains and different substituents on the dithiophene linker unit resulted in a larger tilt angle of the dyes with respect to the normal of the TiO2-surface, and thereby a lower surface coverage. The good photovoltaic performance for cobalt electrolyte-based DSCs found here and by other groups using TPA-based organic dyes with a cyclopentadithiophene linker unit substituted with alkyl chains was mainly attributed to the extended spectral response of the dye, whereas the larger tilt angle of the dye with respect to the TiO2-surface resulted in less efficient packing of the dye molecules and enhanced recombination between electrons in TiO2 and Co(III) species in the electrolyte. QC 20131127
Publikationer från K... arrow_drop_down The Journal of Physical Chemistry C; OpenAIREArticle . 2013 . Peer-reviewedInfoscience - EPFL scientific publicationsArticleData sources: Infoscience - EPFL scientific publicationsadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1021/jp403619c&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 78 citations 78 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Publikationer från K... arrow_drop_down The Journal of Physical Chemistry C; OpenAIREArticle . 2013 . Peer-reviewedInfoscience - EPFL scientific publicationsArticleData sources: Infoscience - EPFL scientific publicationsadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1021/jp403619c&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2013 GermanyPublisher:Elsevier BV Funded by:EC | HERMIONEEC| HERMIONEJacek Raddatz; Volker Liebetrau; Andres Rüggeberg; Ed C Hathorne; André Krabbenhöft; Anton Eisenhauer; Florian Böhm; Hauke Vollstaedt; Jan Fietzke; M. López Correa; André Freiwald; W.-Chr. Dullo;The aragonitic skeletons of scleractinian cold-water corals can serve as valuable archives in paleoceanographic studies. The potential of d88/86Sr, Sr/Ca, Mg/Ca, Li/Ca and Mg/Li ratios of the cold-water coral Lophelia pertusa to record intermediate water mass properties has been investigated. Here we used samples from several locations along the European continental margin spanning a large temperature range from 6 to 14 °C. Stable strontium isotope measurements were carried out with the recently developed double spike TIMS technique and our results differ from those obtained with less precise methods. In contrast to the strong positive relationship with temperature of previous studies, our results suggest that d88/86Sr measured in scleractinian cold-water corals is not controlled by seawater temperature, but reflects the Sr isotopic composition of seawater with an offset of ?88/86Sr = - 0.196‰. As found in previous studies, the elemental ratios Sr/Ca, Li/Ca and Mg/Li measured in corals are significantly related to water temperature and do not correlate with salinity. Moreover, Sr/Ca ratios in L. pertusa display the expected inverse correlation with temperature. However, the variance in the Sr/Ca data severely limits the accuracy of paleotemperature estimates. The Li/Ca and Mg/Ca ratios reveal other influences besides temperature such as pH and/or growth or calcification rate. However, corresponding Mg/Li ratios in L. pertusa are more tightly related to temperature as they remove these secondary effects. In particular, the Mg/Li ratio in L. pertusa may serve as a new promising paleotemperature proxy for intermediate water masses. Our dataset represents the most extensive geochemical examination of L. pertusa to date, revealing a temperature sensitivity of 0.015 mol/mmol/°C for Mg/Li. However, using this temperature dependence and the precision of 5.3% (2SD) only temperature variations larger than ~ 1.5 °C can be resolved with 95% confidence.
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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.chemgeo.2013.06.013&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 92 citations 92 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 1visibility views 1 Powered bymore_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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.chemgeo.2013.06.013&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2013 Australia, United KingdomPublisher:American Chemical Society (ACS) Funded by:EC | ESCAPEEC| ESCAPEKees de Hoogh; Meng Wang; Martin Adam; Chiara Badaloni; Rob Beelen; Matthias Birk; Giulia Cesaroni; Marta Cirach; Christophe Declercq; Audrius Dėdelė; Evi Dons; Audrey de Nazelle; Marloes Eeftens; Kirsten Thorup Eriksen; Charlotta Eriksson; Paul Fischer; Regina Gražulevičienė; Alexandros Gryparis; Barbara Hoffmann; Michael Jerrett; Klea Katsouyanni; Minas Iakovides; Timo Lanki; Sarah Lindley; Christian Madsen; Anna Mölter; Gioia Mosler; Gizella Nádor; Mark J. Nieuwenhuijsen; Göran Pershagen; Annette Peters; Harisch Phuleria; Nicole Probst-Hensch; Ole Raaschou-Nielsen; Ulrich Quass; Andrea Ranzi; Euripides G. Stephanou; Dorothea Sugiri; Per E. Schwarze; Ming-Yi Tsai; Tarja Yli-Tuomi; Mihály J. Varró; Danielle Vienneau; Gudrun Weinmayr; Bert Brunekreef; Gerard Hoek;doi: 10.1021/es400156t
pmid: 23651082
Land Use Regression (LUR) models have been used to describe and model spatial variability of annual mean concentrations of traffic related pollutants such as nitrogen dioxide (NO2), nitrogen oxides (NOx) and particulate matter (PM). No models have yet been published of elemental composition. As part of the ESCAPE project, we measured the elemental composition in both the PM10 and PM2.5 fraction sizes at 20 sites in each of 20 study areas across Europe. LUR models for eight a priori selected elements (copper (Cu), iron (Fe), potassium (K), nickel (Ni), sulfur (S), silicon (Si), vanadium (V), and zinc (Zn)) were developed. Good models were developed for Cu, Fe, and Zn in both fractions (PM10 and PM 2.5) explaining on average between 67 and 79% of the concentration variance (R2) with a large variability between areas. Traffic variables were the dominant predictors, reflecting nontailpipe emissions. Models for V and S in the PM10 and PM2.5 fractions and Si, Ni, and K in the PM10 fraction performed moderately with R2 ranging from 50 to 61%. Si, NI, and K models for PM2.5 performed poorest with R2 under 50%. The LUR models are used to estimate exposures to elemental composition in the health studies involved in ESCAPE. © 2013 American Chemical Society.
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For further information contact us at helpdesk@openaire.euAccess Routesbronze 180 citations 180 popularity Top 1% influence Top 10% impulse Top 1% 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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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2013 Netherlands, SwitzerlandPublisher:Elsevier BV Funded by:EC | PROSUITEEC| PROSUITEAuthors: Tsiropoulos, I.; Cok, B.; Patel, M.K.; Energy, Resources & Technological Change; +1 AuthorsTsiropoulos, I.; Cok, B.; Patel, M.K.; Energy, Resources & Technological Change; Energy and Resources;handle: 1874/396609
Bio-based products are considered to be a sustainable alternative to conventional fossil fuel-based materials. This paper studies the production of glucose from corn starch, an important feedstock for a wide range of bio-based products (e.g. ethanol, bio-based monomers), in a European corn wet mill (CWM). Following the Life Cycle Assessment (LCA) principles, non-renewable energy use (NREU) and greenhouse gas (GHG) emissions are assessed for the system cradle-to-factory gate. The allocation problem that the analysis is faced with is addressed by applying seven different approaches: namely sub-division (two variants), partitioning based on physical causalities and on economic relationships and the principles of system expansion (three variants). Depending on the approach, the NREU for glucose production ranges from 6.8 to 9.3 MJ/kg glucose dry solids (ds) and the GHG emissions from 0.7 to 1.1 kg CO2 eq./kg glucose ds. The results for NREU per tonne of glucose are robust while for GHG, large deviation from the average is found for system expansion and for the approach main process. The influence of each calculation should be kept in mind when assessing bio-based products from glucose produced in a CWM. The results provide a good basis for future analyses of bio-based products, as they are also similar to values published by other authors for the US, bearing in mind the different impacts of corn production in the two regions.
Archive ouverte UNIG... arrow_drop_down NARCIS; Utrecht University RepositoryArticle . 2013add 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jclepro.2012.12.035&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu31 citations 31 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Archive ouverte UNIG... arrow_drop_down NARCIS; Utrecht University RepositoryArticle . 2013add 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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description Publicationkeyboard_double_arrow_right Article 2021 NetherlandsPublisher:Elsevier BV Funded by:EC | iSQAPEREC| iSQAPERFernando Teixeira; Gottlieb Basch; Abdallah Alaoui; Tatenda Lemann; Marie Wesselink; Wijnand Sukkel; Julie Lemesle; Carla Ferreira; Adelcia Veiga; Fuensanta García-Orenes; Alicia Morugán-Coronado; Jorge Mataix-Solera; Costas Kosmas; Matjaž Glavan; Tóth Zoltán; Tamás Hermann; Olga Vizitiu; Jerzy Lipiec; Magdalena Frąc; Endla Reintam; Minggang Xu; Haimei Fu; Hongzhu Fan; Luuk Fleskens;Abstract A study was carried out to assess if the visual soil assessment method (VSA) would allow recognizing differences between soils receiving organic matter (OM) amendments and similar control soils, by the observation of visual soil quality indicators’ score. 36 practices were identified across 8 pedoclimatic zones. These fields/plots were paired with nearby control fields/plots, without OM amendments, sharing similar farming features. A survey, comprising a VSA of the soil structure status, surface ponding, signs of erosion, earthworm counts and soil stability (slake test), complemented by measurements of soil organic matter (SOM) and permanganate oxidizable organic carbon (LOC) content, soil pH, penetration resistance and texture, on soils of both management system groups (OM addition and Control), was performed in 2016. Correlations of the visual soil quality indicators’ score with SOM, LOC, other soil properties and climate variables and indices were calculated within each group; the correlations between soil properties, and between soil properties (SOM and LOC) and climate variables were also calculated. A statistically significantly higher proportion of soils of the OM group had a good score for “soil structure and consistency” and “soil porosity”. These differences are not directly explained by non-inherent soil properties. No statistically significant Spearman’s correlation coefficients were observed between “soil structure and consistency” and either soil properties or climate variables; concerning “soil porosity”, distinct statistically significant correlations were observed between the two groups with different climate variables and indices. Correlations between the scores of the visual soil quality indicators and climate variables were found to follow the same directions of correlations of LOC content with the same climate variables, although the latter correlations were weak. Mean SOM and LOC content, were slightly higher in the OM group, although differences were not statistically significant. A high linear correlation between LOC (mg/g) and SOM (%) (r = 0.65, n = 26) exists within the Control group, but not within the OM group (r = 0.20 and n = 26). When the relationship of SOM and LOC content with visual soil quality indicators’ score was studied, statistically significant correlations were only observed between SOM and “earthworm count” within the Control group (rs = 0.44), and between LOC and “soil colour” within the OM group (rs=-0.52). Both LOC content and LOC status (ranked as a function of LOC content and soil texture), had only negative statistically significant correlations with visual soil quality indicators’ score, questioning their worth as stand-alone soil quality indicators.
Research@WUR; Soil a... arrow_drop_down add 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.eu8 citations 8 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Research@WUR; Soil a... arrow_drop_down 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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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020 Netherlands, France, FrancePublisher:Elsevier BV Funded by:EC | EuroMixEC| EuroMixLichtenstein, Dajana; Luckert, Claudia; Alarcan, Jimmy; de Sousa, Georges; Gioutlakis, Michail; Katsanou, Efrosini S.; Konstantinidou, Parthena; Machera, Kyriaki; Milani, Emanuela S.; Peijnenburg, Ad; Rahmani, Roger; Rijkers, Deborah; Spyropoulou, Anastasia; Stamou, Marianna; Stoopen, Geert; Sturla, Shana J.; Wollscheid, Bernd; Zucchini-Pascal, Nathalie; Braeuning, Albert; Lampen, Alfonso;pmid: 32201337
Exposure to complex chemical mixtures requires a tiered strategy for efficient mixture risk assessment. As a part of the EuroMix project we developed an adverse outcome pathway (AOP)-based assay toolbox to investigate the combined effects of the liver steatosis-inducing compounds imazalil, thiacloprid, and clothianidin in human HepaRG hepatocarcinoma cells. Compound-specific relative potency factors were determined using a benchmark dose approach. Equipotent mixtures were tested for nuclear receptor activation, gene and protein expression, and triglyceride accumulation, according to the molecular initiating events and key events proposed in the steatosis AOP. All three compounds affected the activity of nuclear receptors, but not key genes/proteins as proposed. Triglyceride accumulation was observed with three different methods. Mixture effects were in agreement with the assumption of dose additivity for all the combinations and endpoints tested. Compound-specific RPFs remained similar over the different endpoints studied downstream the AOP. Therefore, it might be possible to reduce testing to a smaller battery of key tests. The results demonstrate the suitability of our in vitro assay toolbox, integrated within an AOP framework and combined with the RPF approach, for the analysis of steatotic effects of chemical mixtures. However, mRNA results suggest that the steatosis AOP still needs improvement. International audience
Research@WUR; Food a... arrow_drop_down 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.fct.2020.111283&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu42 citations 42 popularity Top 1% influence Top 10% impulse Top 1% Powered by BIP!more_vert Research@WUR; Food a... arrow_drop_down 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.fct.2020.111283&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Book , Conference object 2019 SwitzerlandPublisher:IEEE Funded by:EC | ERA-PLANETEC| ERA-PLANETAuthors: Moomen, Abdul-Wadood; Bertolotto, Michela; Lacroix, Pierre Marcel Anselme; Jensen, David;Moomen, Abdul-Wadood; Bertolotto, Michela; Lacroix, Pierre Marcel Anselme; Jensen, David;This paper explores the spatial relationship between mining and agricultural activities towards meeting the United Nations (UN) Agenda 2030 Sustainable Development Goals (SDGs) in Northwest Ghana. Agenda 2030 SDGs highlight the importance of poverty reduction, livelihood enhancement, and food security. A state's natural resources include both nonagricultural and agricultural resources. There is a renewed interest in large-scale mining in Ghana, entering into previously underexplored areas in the Northwest, an area dominated by agriculture. With the emergence of mining in this region, this study combines both satellite imagery, covering years 2000, 2010 and 2018, and ground truthing data to conduct baseline studies and assess changes in land use over time. We compared known data sets and field knowledge with satellite data to objectively measure changes in the distribution of surface water, farmlands and grasscover over time. The study finds increasing areas of surface water, abundant grasscover and farmlands within leases in the area. These growing abundance of land use and land cover types provide opportunities for commercial livestock keeping, extensive and intensive crop farming. The classified satellite images revealed the existence of more farmlands and potential cultivable areas than reported by agriculture extension offices. Most of these areas overlap with mining concessions and could be modelled for commercial food production and local job creation. The occurrence of mining and agricultural activities in rural subsistence farming communities often indicate conflict. However, a co-exitence of both sectors has a strong opportunity to drive inclusive growth for smallholder farmers; reduce poverty, generate income and uphold sustainable development.
Archive ouverte UNIG... arrow_drop_down 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1109/agro-geoinformatics.2019.8820500&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu1 citations 1 popularity Average influence Average impulse Average Powered by BIP!more_vert Archive ouverte UNIG... arrow_drop_down 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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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2018 SwitzerlandPublisher:Elsevier BV Funded by:EC | COMPAREEC| COMPAREJungwirth, N; Puff, C; Köster, K; Mischke, R; Meyer, H; Stark, A; Thoma, B; Zöller, G; Seehusen, F; Hewicker-Trautwein, M; Beineke, A; Baumgärtner, W; Wohlsein, P;pmid: 29422319
Within 4 weeks, five cats with skin lesions affecting the hindlimbs and mainly consisting of oedema, hyperaemia and plaque-like alterations were presented to the same veterinary clinic. The cats were suffering from lameness, trauma, renal insufficiency or complicated tail amputation. Although the lesions seemed unusual for a poxvirus infection, microscopical examination of biopsy samples or specimens taken during necropsy examination revealed ballooning degeneration of keratinocytes with eosinophilic, cytoplasmic inclusion bodies indicative of an orthopoxvirus infection. Cowpox virus infection was verified using immunohistochemistry and virus isolation. Molecular analysis revealed identical haemagglutinin gene sequences in four cases and spatiotemporal circumstances in some cases pointed to hospital-acquired transmission. Unusual manifestations of feline cowpox may have an unexpected risk for human infection.
Zurich Open Reposito... arrow_drop_down Zurich Open Repository and ArchiveOther literature type . Article . 2018Journal of Comparative PathologyOther literature type . Article . 2018 . Peer-reviewedLicense: Elsevier TDMadd 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.eu10 citations 10 popularity Top 10% influence Average impulse Average Powered by BIP!more_vert Zurich Open Reposito... arrow_drop_down Zurich Open Repository and ArchiveOther literature type . Article . 2018Journal of Comparative PathologyOther literature type . Article . 2018 . Peer-reviewedLicense: Elsevier TDMadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jcpa.2017.12.003&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2017 SwitzerlandPublisher:Elsevier BV Funded by:EC | ERA-PLANETEC| ERA-PLANETGregory Giuliani; Hy Dao; Andréa De Bono; Bruno Chatenoux; Karin Allenbach; Pierric de Laborie; Denisa Rodila; Nikos Alexandris; Pascal Peduzzi;Abstract Global environmental changes are mostly induced by human activities (e.g., food and energy production, urbanization, mining activities). To assess and understand these changes that are occurring all around the planet, regular and continuous monitoring is an essential condition. However, due to the potentially large area spread over numerous locations that need to be followed, this usually leads to a low frequency of monitoring of environmental changes of only a few selected sites at best. With the increasing number of freely and openly accessible big remotely-sensed Earth Observations (EO) Data repositories and the increasing capabilities of open and interoperable software solutions it is now possible to automate various EO data processing tasks to monitor environmental changes at large scale. This paper presents the Live Monitoring of Earth Surface (LiMES) framework that helps to automate image processing tasks in transforming raw data into information and knowledge through workflows using interoperable processing service chains for monitoring environmental changes. Both benefits and limitations are demonstrated and discussed through the implementation of a prototype to facilitate the update on the status of some of the 278 UNEP Environmental Hotspots. We believe that such a framework can help to reduce the gap between massive volumes of EO data and the users such as International Organizations (IO) in order to help them better fulfil their environmental monitoring mandates by bringing raw data to a level which can be used by non-remote sensing experts for basic impacts assessments.
Archive ouverte UNIG... arrow_drop_down Remote Sensing of EnvironmentOther literature type . Article . 2017 . Peer-reviewedLicense: Elsevier TDMadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.rse.2017.05.040&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 Archive ouverte UNIG... arrow_drop_down Remote Sensing of EnvironmentOther literature type . Article . 2017 . Peer-reviewedLicense: Elsevier TDMadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.rse.2017.05.040&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2016 SwitzerlandPublisher:AIP Publishing Funded by:EC | CHEETAH, EC | FAST TRACKEC| CHEETAH ,EC| FAST TRACKRiesen, Y.; Stuckelberger, M.; Haug, F.-J.; Ballif, C.; Wyrsch, N.;doi: 10.1063/1.4940392
Thin-film hydrogenated amorphous silicon solar (a-Si:H) cells are known to have better temperature coefficients than crystalline silicon cells. To investigate whether a-Si:H cells that are optimized for standard conditions (STC) also have the highest energy yield, we measured the temperature and irradiance dependence of the maximum power output (Pmpp), the fill factor (FF), the short-circuit current density (Jsc), and the open-circuit voltage (Voc) for four series of cells fabricated with different deposition conditions. The parameters varied during plasma-enhanced chemical vapor deposition (PE-CVD) were the power and frequency of the PE-CVD generator, the hydrogen-to-silane dilution during deposition of the intrinsic absorber layer (i-layer), and the thicknesses of the a-Si:H i-layer and p-type hydrogenated amorphous silicon carbide layer. The results show that the temperature coefficient of the Voc generally varies linearly with the Voc value. The Jsc increases linearly with temperature mainly due to temperature-induced bandgap reduction and reduced recombination. The FF temperature dependence is not linear and reaches a maximum at temperatures between 15 °C and 80 °C. Numerical simulations show that this behavior is due to a more positive space-charge induced by the photogenerated holes in the p-layer and to a recombination decrease with temperature. Due to the FF(T) behavior, the Pmpp (T) curves also have a maximum, but at a lower temperature. Moreover, for most series, the cells with the highest power output at STC also have the best energy yield. However, the Pmpp (T) curves of two cells with different i-layer thicknesses cross each other in the operating cell temperature range, indicating that the cell with the highest power output could, for instance, have a lower energy yield than the other cell. A simple energy-yield simulation for the light-soaked and annealed states shows that for Neuchâtel (Switzerland) the best cell at STC also has the best energy yield. However, for a different climate or cell configuration, this may not be true.
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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1063/1.4940392&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 27 citations 27 popularity Top 10% influence Top 10% impulse Top 10% 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1063/1.4940392&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2013 Switzerland, SwedenPublisher:American Chemical Society (ACS) Funded by:EC | SANS, EC | EU BONEC| SANS ,EC| EU BONEllis, Hanna; Eriksson, Susanna K.; Feldt, Sandra M.; Gabrielsson, Erik; Lohse, Peter W.; Lindblad, Rebecka; Sun, Licheng; Rensmo, Haakan; Boschloo, Gerrit; Hagfeldt, Anders;doi: 10.1021/jp403619c
Linker unit modification of donor-linker-acceptor-based organic dyes was investigated with respect to the spectral and physicochemical properties of the dyes. The spectral response for a series of triphenylamine (TPA)-based organic dyes, called LEG1-4, was shifted into the red wavelength region, and the extinction coefficient of the dyes was increased by introducing different substituted dithiophene units on the pi-conjugated linker. The photovoltaic performance of dye-sensitized solar cells (DSCs) incorporating the different dyes in combination with cobalt-based electrolytes was found to be dependent on dye binding. The binding morphology of the dyes on the TiO2 was studied using photoelectron spectroscopy, which demonstrated that the introduction of alkyl chains and different substituents on the dithiophene linker unit resulted in a larger tilt angle of the dyes with respect to the normal of the TiO2-surface, and thereby a lower surface coverage. The good photovoltaic performance for cobalt electrolyte-based DSCs found here and by other groups using TPA-based organic dyes with a cyclopentadithiophene linker unit substituted with alkyl chains was mainly attributed to the extended spectral response of the dye, whereas the larger tilt angle of the dye with respect to the TiO2-surface resulted in less efficient packing of the dye molecules and enhanced recombination between electrons in TiO2 and Co(III) species in the electrolyte. QC 20131127
Publikationer från K... arrow_drop_down The Journal of Physical Chemistry C; OpenAIREArticle . 2013 . Peer-reviewedInfoscience - EPFL scientific publicationsArticleData sources: Infoscience - EPFL scientific publicationsadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1021/jp403619c&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 78 citations 78 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Publikationer från K... arrow_drop_down The Journal of Physical Chemistry C; OpenAIREArticle . 2013 . Peer-reviewedInfoscience - EPFL scientific publicationsArticleData sources: Infoscience - EPFL scientific publicationsadd 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1021/jp403619c&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2013 GermanyPublisher:Elsevier BV Funded by:EC | HERMIONEEC| HERMIONEJacek Raddatz; Volker Liebetrau; Andres Rüggeberg; Ed C Hathorne; André Krabbenhöft; Anton Eisenhauer; Florian Böhm; Hauke Vollstaedt; Jan Fietzke; M. López Correa; André Freiwald; W.-Chr. Dullo;The aragonitic skeletons of scleractinian cold-water corals can serve as valuable archives in paleoceanographic studies. The potential of d88/86Sr, Sr/Ca, Mg/Ca, Li/Ca and Mg/Li ratios of the cold-water coral Lophelia pertusa to record intermediate water mass properties has been investigated. Here we used samples from several locations along the European continental margin spanning a large temperature range from 6 to 14 °C. Stable strontium isotope measurements were carried out with the recently developed double spike TIMS technique and our results differ from those obtained with less precise methods. In contrast to the strong positive relationship with temperature of previous studies, our results suggest that d88/86Sr measured in scleractinian cold-water corals is not controlled by seawater temperature, but reflects the Sr isotopic composition of seawater with an offset of ?88/86Sr = - 0.196‰. As found in previous studies, the elemental ratios Sr/Ca, Li/Ca and Mg/Li measured in corals are significantly related to water temperature and do not correlate with salinity. Moreover, Sr/Ca ratios in L. pertusa display the expected inverse correlation with temperature. However, the variance in the Sr/Ca data severely limits the accuracy of paleotemperature estimates. The Li/Ca and Mg/Ca ratios reveal other influences besides temperature such as pH and/or growth or calcification rate. However, corresponding Mg/Li ratios in L. pertusa are more tightly related to temperature as they remove these secondary effects. In particular, the Mg/Li ratio in L. pertusa may serve as a new promising paleotemperature proxy for intermediate water masses. Our dataset represents the most extensive geochemical examination of L. pertusa to date, revealing a temperature sensitivity of 0.015 mol/mmol/°C for Mg/Li. However, using this temperature dependence and the precision of 5.3% (2SD) only temperature variations larger than ~ 1.5 °C can be resolved with 95% confidence.
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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.chemgeo.2013.06.013&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 92 citations 92 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!visibility 1visibility views 1 Powered bymore_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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.chemgeo.2013.06.013&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2013 Australia, United KingdomPublisher:American Chemical Society (ACS) Funded by:EC | ESCAPEEC| ESCAPEKees de Hoogh; Meng Wang; Martin Adam; Chiara Badaloni; Rob Beelen; Matthias Birk; Giulia Cesaroni; Marta Cirach; Christophe Declercq; Audrius Dėdelė; Evi Dons; Audrey de Nazelle; Marloes Eeftens; Kirsten Thorup Eriksen; Charlotta Eriksson; Paul Fischer; Regina Gražulevičienė; Alexandros Gryparis; Barbara Hoffmann; Michael Jerrett; Klea Katsouyanni; Minas Iakovides; Timo Lanki; Sarah Lindley; Christian Madsen; Anna Mölter; Gioia Mosler; Gizella Nádor; Mark J. Nieuwenhuijsen; Göran Pershagen; Annette Peters; Harisch Phuleria; Nicole Probst-Hensch; Ole Raaschou-Nielsen; Ulrich Quass; Andrea Ranzi; Euripides G. Stephanou; Dorothea Sugiri; Per E. Schwarze; Ming-Yi Tsai; Tarja Yli-Tuomi; Mihály J. Varró; Danielle Vienneau; Gudrun Weinmayr; Bert Brunekreef; Gerard Hoek;doi: 10.1021/es400156t
pmid: 23651082
Land Use Regression (LUR) models have been used to describe and model spatial variability of annual mean concentrations of traffic related pollutants such as nitrogen dioxide (NO2), nitrogen oxides (NOx) and particulate matter (PM). No models have yet been published of elemental composition. As part of the ESCAPE project, we measured the elemental composition in both the PM10 and PM2.5 fraction sizes at 20 sites in each of 20 study areas across Europe. LUR models for eight a priori selected elements (copper (Cu), iron (Fe), potassium (K), nickel (Ni), sulfur (S), silicon (Si), vanadium (V), and zinc (Zn)) were developed. Good models were developed for Cu, Fe, and Zn in both fractions (PM10 and PM 2.5) explaining on average between 67 and 79% of the concentration variance (R2) with a large variability between areas. Traffic variables were the dominant predictors, reflecting nontailpipe emissions. Models for V and S in the PM10 and PM2.5 fractions and Si, Ni, and K in the PM10 fraction performed moderately with R2 ranging from 50 to 61%. Si, NI, and K models for PM2.5 performed poorest with R2 under 50%. The LUR models are used to estimate exposures to elemental composition in the health studies involved in ESCAPE. © 2013 American Chemical Society.
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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1021/es400156t&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesbronze 180 citations 180 popularity Top 1% influence Top 10% impulse Top 1% 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1021/es400156t&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2013 Netherlands, SwitzerlandPublisher:Elsevier BV Funded by:EC | PROSUITEEC| PROSUITEAuthors: Tsiropoulos, I.; Cok, B.; Patel, M.K.; Energy, Resources & Technological Change; +1 AuthorsTsiropoulos, I.; Cok, B.; Patel, M.K.; Energy, Resources & Technological Change; Energy and Resources;handle: 1874/396609
Bio-based products are considered to be a sustainable alternative to conventional fossil fuel-based materials. This paper studies the production of glucose from corn starch, an important feedstock for a wide range of bio-based products (e.g. ethanol, bio-based monomers), in a European corn wet mill (CWM). Following the Life Cycle Assessment (LCA) principles, non-renewable energy use (NREU) and greenhouse gas (GHG) emissions are assessed for the system cradle-to-factory gate. The allocation problem that the analysis is faced with is addressed by applying seven different approaches: namely sub-division (two variants), partitioning based on physical causalities and on economic relationships and the principles of system expansion (three variants). Depending on the approach, the NREU for glucose production ranges from 6.8 to 9.3 MJ/kg glucose dry solids (ds) and the GHG emissions from 0.7 to 1.1 kg CO2 eq./kg glucose ds. The results for NREU per tonne of glucose are robust while for GHG, large deviation from the average is found for system expansion and for the approach main process. The influence of each calculation should be kept in mind when assessing bio-based products from glucose produced in a CWM. The results provide a good basis for future analyses of bio-based products, as they are also similar to values published by other authors for the US, bearing in mind the different impacts of corn production in the two regions.
Archive ouverte UNIG... arrow_drop_down NARCIS; Utrecht University RepositoryArticle . 2013add 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jclepro.2012.12.035&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu31 citations 31 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!more_vert Archive ouverte UNIG... arrow_drop_down NARCIS; Utrecht University RepositoryArticle . 2013add 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.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jclepro.2012.12.035&type=result"></script>'); --> </script>
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