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description Publicationkeyboard_double_arrow_right Article 2020Publisher:Collaborating Academics Keita E.M.; Ndiaye B.; Dia M.; Tabar Y.; Sene C.; Mbow B.;doi: 10.23647/ca.md202005
In this work we study the spectral responses of thin films solar cells of heterojunctions based on CuInSe2 and CuInS2. Four-layer structures are studied according to the n+n/pp+ model. First we consider the structure ZnO(n+)/CdS(n)/CuInS2(p)/CuInSe2(p+) where CuInS2 represent the base and CuInSe2 the substrate in this model. Secondly we consider the structure ZnO(n+)/CdS(n)/CuInSe2(p)/ CuInS2(p+), for this model CuInSe2 represent the base and CuInS2 the substrate. ZnO and CdS are used as window layers in each structure. Using the continuity equation that governs transport of carriers in semiconductor material, models for calculating spectral responses are proposed for heterojunctions type n+n/pp+ based on CuInSe2 and CuInS2. For each structure we have presented the energy band diagram based on the Anderson model [1] and determined the expression of the photocurrent. The theoretical results obtained allow to compare the performances of these two models by optimizing the different parameters of each structure (base thickness, diffusion length, recombination velocity at the interface, etc.) in order to improve the overall efficiency of the collection of carriers.
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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.23647/ca.md202005&type=result"></script>'); --> </script>
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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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.23647/ca.md202005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020Publisher:Collaborating Academics Keita E.M.; Ndiaye B.; Dia M.; Tabar Y.; Sene C.; Mbow B.;doi: 10.23647/ca.md202005
In this work we study the spectral responses of thin films solar cells of heterojunctions based on CuInSe2 and CuInS2. Four-layer structures are studied according to the n+n/pp+ model. First we consider the structure ZnO(n+)/CdS(n)/CuInS2(p)/CuInSe2(p+) where CuInS2 represent the base and CuInSe2 the substrate in this model. Secondly we consider the structure ZnO(n+)/CdS(n)/CuInSe2(p)/ CuInS2(p+), for this model CuInSe2 represent the base and CuInS2 the substrate. ZnO and CdS are used as window layers in each structure. Using the continuity equation that governs transport of carriers in semiconductor material, models for calculating spectral responses are proposed for heterojunctions type n+n/pp+ based on CuInSe2 and CuInS2. For each structure we have presented the energy band diagram based on the Anderson model [1] and determined the expression of the photocurrent. The theoretical results obtained allow to compare the performances of these two models by optimizing the different parameters of each structure (base thickness, diffusion length, recombination velocity at the interface, etc.) in order to improve the overall efficiency of the collection of carriers.
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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.23647/ca.md202005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 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.
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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.23647/ca.md202005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2018 Peru, France, PeruPublisher:Springer Science and Business Media LLC Funded by:ANR | PACMEDYANR| PACMEDYAlban Lazar; Nicolas Patris; Malick Wade; Rachid Cheddadi; Manuel Chevalier; Claire E. Lazareth; Amadou Thierno Gaye; Moufok Azzoug; Abdoulaye Camara; Juliette Mignot; Paul Zaharias; Denis Fiorillo; Matthieu Carré; Matthieu Carré; Nancy Mitma Garcia; Myriam Khodri; Serge Janicot; Océane Perrot;handle: 20.500.12866/6859
As climate model uncertainties remain very large for future rainfall in the Sahel, a multi-centennial perspective is required to assess the situation of current Sahel climate in the context of global warming. We present here the first record of hydroclimatic variability over the past 1600 years in Senegal, obtained from stable oxygen isotope analyses (δ18O) in archaeological shell middens from the Saloum Delta. During the preindustrial period, the region was relatively humid, with maximum humidity reached during the period from AD 1500 to AD 1800, referred to as the Little Ice Age. A significant negative link is observed at the centennial scale between global temperature and humidity in the Sahel that is at odds with the expected effects of latitudinal shifts of the intertropical convergence zone during the last millennium. In the context of the past 1600 years, the Western Sahel appears to be experiencing today unprecedented drought conditions. The rapid aridification that started ca. AD 1800 and the recent emergence of Sahel drought from the natural variability point to an anthropogenic forcing of Sahel drying trend. This new long-term perspective suggests that the recovery of Sahel rainfall in the last decade may only result from short-term internal variability, and supports climate models that predict an increase of Sahel drought under future greenhouse climate.
Hyper Article en Lig... arrow_drop_down École Polytechnique, Université Paris-Saclay: HALArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s00382-018-4311-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 15 citations 15 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert Hyper Article en Lig... arrow_drop_down École Polytechnique, Université Paris-Saclay: HALArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s00382-018-4311-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2018 Peru, France, PeruPublisher:Springer Science and Business Media LLC Funded by:ANR | PACMEDYANR| PACMEDYAlban Lazar; Nicolas Patris; Malick Wade; Rachid Cheddadi; Manuel Chevalier; Claire E. Lazareth; Amadou Thierno Gaye; Moufok Azzoug; Abdoulaye Camara; Juliette Mignot; Paul Zaharias; Denis Fiorillo; Matthieu Carré; Matthieu Carré; Nancy Mitma Garcia; Myriam Khodri; Serge Janicot; Océane Perrot;handle: 20.500.12866/6859
As climate model uncertainties remain very large for future rainfall in the Sahel, a multi-centennial perspective is required to assess the situation of current Sahel climate in the context of global warming. We present here the first record of hydroclimatic variability over the past 1600 years in Senegal, obtained from stable oxygen isotope analyses (δ18O) in archaeological shell middens from the Saloum Delta. During the preindustrial period, the region was relatively humid, with maximum humidity reached during the period from AD 1500 to AD 1800, referred to as the Little Ice Age. A significant negative link is observed at the centennial scale between global temperature and humidity in the Sahel that is at odds with the expected effects of latitudinal shifts of the intertropical convergence zone during the last millennium. In the context of the past 1600 years, the Western Sahel appears to be experiencing today unprecedented drought conditions. The rapid aridification that started ca. AD 1800 and the recent emergence of Sahel drought from the natural variability point to an anthropogenic forcing of Sahel drying trend. This new long-term perspective suggests that the recovery of Sahel rainfall in the last decade may only result from short-term internal variability, and supports climate models that predict an increase of Sahel drought under future greenhouse climate.
Hyper Article en Lig... arrow_drop_down École Polytechnique, Université Paris-Saclay: HALArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s00382-018-4311-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 15 citations 15 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert Hyper Article en Lig... arrow_drop_down École Polytechnique, Université Paris-Saclay: HALArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s00382-018-4311-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type , Journal 2019 FrancePublisher:IOP Publishing Funded by:UKRI | AMMA-2050 NEC05274UKRI| AMMA-2050 NEC05274Adeline Bichet; Benoit Hingray; Guillaume Evin; Arona Diedhiou; Cheikh Mouhamed Fadel Kebe; Sandrine Anquetin;Abstract The development of renewable electricity in Africa could be massive in coming decades, as a response to the rapid rising electricity demand while complying with the Paris Agreements. This study shows that in the high-resolution climate experiments of CORDEX-AFRICA, the annual mean solar potential is expected to decrease on average by 4% over most of the continent by the end of the century, reaching up to 6% over the Horn of Africa, as a direct result of decrease in solar radiation and increase in air surface temperature. These projections are associated with large uncertainties, in particular over the Sahel and the elevated terrains of eastern Africa. While the expected decrease may affect the sizing of the numerous solar projects planned in Africa for the next decades, this study suggests that it does not endanger their viability. At last, this study indicates that the design of such projects also needs to account for the non-negligible uncertainties associated with the resource.
Hyper Article en Lig... arrow_drop_down Université Grenoble Alpes: HALArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2019Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ab500a&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu53 citations 53 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Hyper Article en Lig... arrow_drop_down Université Grenoble Alpes: HALArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2019Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ab500a&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type , Journal 2019 FrancePublisher:IOP Publishing Funded by:UKRI | AMMA-2050 NEC05274UKRI| AMMA-2050 NEC05274Adeline Bichet; Benoit Hingray; Guillaume Evin; Arona Diedhiou; Cheikh Mouhamed Fadel Kebe; Sandrine Anquetin;Abstract The development of renewable electricity in Africa could be massive in coming decades, as a response to the rapid rising electricity demand while complying with the Paris Agreements. This study shows that in the high-resolution climate experiments of CORDEX-AFRICA, the annual mean solar potential is expected to decrease on average by 4% over most of the continent by the end of the century, reaching up to 6% over the Horn of Africa, as a direct result of decrease in solar radiation and increase in air surface temperature. These projections are associated with large uncertainties, in particular over the Sahel and the elevated terrains of eastern Africa. While the expected decrease may affect the sizing of the numerous solar projects planned in Africa for the next decades, this study suggests that it does not endanger their viability. At last, this study indicates that the design of such projects also needs to account for the non-negligible uncertainties associated with the resource.
Hyper Article en Lig... arrow_drop_down Université Grenoble Alpes: HALArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2019Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ab500a&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu53 citations 53 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Hyper Article en Lig... arrow_drop_down Université Grenoble Alpes: HALArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2019Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ab500a&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2015 FrancePublisher:Elsevier BV Authors: Sall, Saïdou Nourou; Ndour, Ndèye Yacine Badiane; Diédhiou-Sall, Siré; Dick, Richard; +1 AuthorsSall, Saïdou Nourou; Ndour, Ndèye Yacine Badiane; Diédhiou-Sall, Siré; Dick, Richard; Chotte, Jean Luc;pmid: 26143083
Soil degradation and salinization caused by inappropriate cultivation practices and high levels of saltwater intrusion are having an adverse effect on agriculture in Central Senegal. The residues of Piliostigma reticulatum, a local shrub that coexists with crops, were recently shown to increase particulate organic matter and improve soil quality and may be a promising means of alleviating the effects of salinization. This study compared the effects of inorganic fertilizer and P. reticulatum residues on microbial properties and the ability of soil to withstand salinity stress. We hypothesized that soils amended with P. reticulatum would be less affected by salinity stress than soils amended with inorganic fertilizer and control soil. Salinity stress was applied to soil from a field site that had been cultivated for 5 years under a millet/peanut crop rotation when microbial biomass, phospholipid fatty acid (PLFA) community profile, catabolic diversity, microbial activities were determined. Microbial biomass, nitrification potential and dehydrogenase activity were higher by 20%, 56% and 69% respectively in soil with the organic amendment. With salinity stress, the structure and activities of the microbial community were significantly affected. Although the biomass of actinobacteria community increased with salinity stress, there was a substantial reduction in microbial activity in all soils. The soil organically amended was, however, less affected by salinity stress than the control or inorganic fertilizer treatment. This suggests that amendment using P. reticulatum residues may improve the ability of soils to respond to saline conditions.
INRIA a CCSD electro... arrow_drop_down INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverJournal of Environmental ManagementArticle . 2015 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jenvman.2015.06.017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 25 citations 25 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert INRIA a CCSD electro... arrow_drop_down INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverJournal of Environmental ManagementArticle . 2015 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jenvman.2015.06.017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2015 FrancePublisher:Elsevier BV Authors: Sall, Saïdou Nourou; Ndour, Ndèye Yacine Badiane; Diédhiou-Sall, Siré; Dick, Richard; +1 AuthorsSall, Saïdou Nourou; Ndour, Ndèye Yacine Badiane; Diédhiou-Sall, Siré; Dick, Richard; Chotte, Jean Luc;pmid: 26143083
Soil degradation and salinization caused by inappropriate cultivation practices and high levels of saltwater intrusion are having an adverse effect on agriculture in Central Senegal. The residues of Piliostigma reticulatum, a local shrub that coexists with crops, were recently shown to increase particulate organic matter and improve soil quality and may be a promising means of alleviating the effects of salinization. This study compared the effects of inorganic fertilizer and P. reticulatum residues on microbial properties and the ability of soil to withstand salinity stress. We hypothesized that soils amended with P. reticulatum would be less affected by salinity stress than soils amended with inorganic fertilizer and control soil. Salinity stress was applied to soil from a field site that had been cultivated for 5 years under a millet/peanut crop rotation when microbial biomass, phospholipid fatty acid (PLFA) community profile, catabolic diversity, microbial activities were determined. Microbial biomass, nitrification potential and dehydrogenase activity were higher by 20%, 56% and 69% respectively in soil with the organic amendment. With salinity stress, the structure and activities of the microbial community were significantly affected. Although the biomass of actinobacteria community increased with salinity stress, there was a substantial reduction in microbial activity in all soils. The soil organically amended was, however, less affected by salinity stress than the control or inorganic fertilizer treatment. This suggests that amendment using P. reticulatum residues may improve the ability of soils to respond to saline conditions.
INRIA a CCSD electro... arrow_drop_down INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverJournal of Environmental ManagementArticle . 2015 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jenvman.2015.06.017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 25 citations 25 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert INRIA a CCSD electro... arrow_drop_down INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverJournal of Environmental ManagementArticle . 2015 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)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 , Journal 2011Publisher:Elsevier BV Authors: Samir Taha; Samir Taha; Sophie Ricordel; Ibrahim I Cisse;AbstractPeanut husks incinerated residues (PHIR) has been used for the adsorption of Pb2+, Zn2+, Ni2+ and Cd2+, over a range of initial metal ion concentration (0.15mM). Chemical and physical characteristics of PHIR were determined. The effects of particle size and of carbon doses were evaluated by batch experiments. The kinetics of sorption was followed based on the amounts of metal sorbed at various time intervals. The modelling of kinetic curves has also been investigated. The rate constant and the reaction order have been calculated. The results show that Pb2+ has best affinity to PHIR than Cd2+, Ni2+, Zn2+. From these results an order of the sorption capacity of metal ions sorbed was derived.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2011Publisher:Elsevier BV Authors: Samir Taha; Samir Taha; Sophie Ricordel; Ibrahim I Cisse;AbstractPeanut husks incinerated residues (PHIR) has been used for the adsorption of Pb2+, Zn2+, Ni2+ and Cd2+, over a range of initial metal ion concentration (0.15mM). Chemical and physical characteristics of PHIR were determined. The effects of particle size and of carbon doses were evaluated by batch experiments. The kinetics of sorption was followed based on the amounts of metal sorbed at various time intervals. The modelling of kinetic curves has also been investigated. The rate constant and the reaction order have been calculated. The results show that Pb2+ has best affinity to PHIR than Cd2+, Ni2+, Zn2+. From these results an order of the sorption capacity of metal ions sorbed was derived.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2023 United KingdomPublisher:Wiley Funded by:UKRI | Unlocking resilient benef..., UKRI | ARUA Water Centre of Exce...UKRI| Unlocking resilient benefits from African water resources ,UKRI| ARUA Water Centre of Excellence Development: "Water for African SDGs"Carolyn G. Palmer; Jane Tanner; James Akanmu; Tena Alamirew; Yazidhi Bamutaze; Noble Banadda; Frances Cleaver; Sérigne Faye; Isa Kabenge; Alioune Kane; E. O. Longe; Joel Nobert; Venuste Nsengimana; Vanessa Speight; Sally Weston; Kevin Winter; Zerihun Woldu;AbstractIt has become increasingly common to include participatory processes, several academic disciplines, and additional wide‐ranging ways of knowing, in using research to tackle the escalating environmental problems of the 21st Century. There are barriers to the success of these efforts. In this paper we present the Adaptive Systemic Approach (ASA). The ASA is designed to provide a clear pathway for research related to sustainability issues, river basin problems and natural resource development, and to deliver change towards improved ecological health and social justice outcomes. The design of the ASA rests on three key concepts: complex social‐ecological systems, transdisciplinarity, and transformative social learning, together with Strategic Adaptive Management as the theoretically consistent operational process. We identify logical connections between the concepts and Strategic Adaptive Management so that the ASA emerges as a coherent and practical research and praxis pathway. The ASA process is then outlined to support uptake and wider application. We present findings from ASA praxis in a collaborative African research program considering river basin problems in seven countries, where key contextual learnings led to the recognition of five barriers to effective research impact outcomes: (1) Lack of an integrative conceptual grounding. (2) Participatory stakeholder engagement flawed by epistemic injustice. (3) Inadequate transdisciplinary team building. (4) Insufficient inclusion of learning, reflection, and systemic adaptation. (5) Inflated claims of probable impact in terms of creating change towards improved ecological health and social justice. We reflect on the ways the ASA contributes to breaching these barriers. Early key learnings from ASA praxis leads us to suggest that the ASA has practical value for policy makers, practitioners and researchers seeking pathways for fair and sustainable river management, and more broadly in natural resource development.
River Research and A... arrow_drop_down Lancaster University: Lancaster EprintsArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess Routeshybrid 3 citations 3 popularity Average influence Average impulse Average Powered by BIP!
more_vert River Research and A... arrow_drop_down Lancaster University: Lancaster EprintsArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2023 United KingdomPublisher:Wiley Funded by:UKRI | Unlocking resilient benef..., UKRI | ARUA Water Centre of Exce...UKRI| Unlocking resilient benefits from African water resources ,UKRI| ARUA Water Centre of Excellence Development: "Water for African SDGs"Carolyn G. Palmer; Jane Tanner; James Akanmu; Tena Alamirew; Yazidhi Bamutaze; Noble Banadda; Frances Cleaver; Sérigne Faye; Isa Kabenge; Alioune Kane; E. O. Longe; Joel Nobert; Venuste Nsengimana; Vanessa Speight; Sally Weston; Kevin Winter; Zerihun Woldu;AbstractIt has become increasingly common to include participatory processes, several academic disciplines, and additional wide‐ranging ways of knowing, in using research to tackle the escalating environmental problems of the 21st Century. There are barriers to the success of these efforts. In this paper we present the Adaptive Systemic Approach (ASA). The ASA is designed to provide a clear pathway for research related to sustainability issues, river basin problems and natural resource development, and to deliver change towards improved ecological health and social justice outcomes. The design of the ASA rests on three key concepts: complex social‐ecological systems, transdisciplinarity, and transformative social learning, together with Strategic Adaptive Management as the theoretically consistent operational process. We identify logical connections between the concepts and Strategic Adaptive Management so that the ASA emerges as a coherent and practical research and praxis pathway. The ASA process is then outlined to support uptake and wider application. We present findings from ASA praxis in a collaborative African research program considering river basin problems in seven countries, where key contextual learnings led to the recognition of five barriers to effective research impact outcomes: (1) Lack of an integrative conceptual grounding. (2) Participatory stakeholder engagement flawed by epistemic injustice. (3) Inadequate transdisciplinary team building. (4) Insufficient inclusion of learning, reflection, and systemic adaptation. (5) Inflated claims of probable impact in terms of creating change towards improved ecological health and social justice. We reflect on the ways the ASA contributes to breaching these barriers. Early key learnings from ASA praxis leads us to suggest that the ASA has practical value for policy makers, practitioners and researchers seeking pathways for fair and sustainable river management, and more broadly in natural resource development.
River Research and A... arrow_drop_down Lancaster University: Lancaster EprintsArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess Routeshybrid 3 citations 3 popularity Average influence Average impulse Average Powered by BIP!
more_vert River Research and A... arrow_drop_down Lancaster University: Lancaster EprintsArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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 , Conference object , Other literature type 2023 United KingdomPublisher:Elsevier BV Prativa Poudel; Anish Ghimire; Guy Howard; Barbara Evans; Miller Alonso Camargo‐Valero; Freya Mills; Olivia Reddy; Subodh Sharma; Sarana Tuladhar; Abraham Geremew; Kenan Okurut; Baba Ngom; Manish Baidya; Sheila Dangol;pmid: 37809600
pmc: PMC10559576
Les systèmes d'assainissement sur site (OSS) sont une source d'émissions de gaz à effet de serre (GES). Bien que des efforts aient été déployés récemment pour mesurer et quantifier les émissions des fosses septiques en utilisant diverses méthodes sur le terrain, la grande majorité de la littérature publiée rapportant les émissions de GES des unités OSS (par exemple, les fosses et les citernes) est basée sur des preuves non empiriques. Cette revue systématique présente un aperçu et les limites des méthodes sur le terrain utilisées pour la quantification des émissions de GES provenant des logiciels libres. Les articles publiés en anglais ont été recherchés dans trois bases de données : Google Scholar, PubMed et Directory of Articles and Journals. Les articles évalués par des pairs qui ont rapporté des méthodes sur le terrain appliquées aux unités de confinement dans l'OSS ont été inclus dans cette étude. Seuls huit des 2085 articles répondaient aux critères d'inclusion avec des fosses septiques comme seule technologie signalée et ont donc été pris en compte pour l'examen. La plupart des études ont été menées dans des pays à revenu intermédiaire et élevé. Les mesures sur le terrain des GES sont effectuées à l'aide d'une chambre de flux (FC) et les méthodes FC les plus couramment utilisées sont (a) la FC statique simple modifiée, (b) la FC statique automatisée et (c) la FC flottante. Les données rapportées dans les études publiées ne fournissent pas suffisamment d'informations sur l'étalonnage et la validation des résultats des FC utilisées. Les conceptions FC complexes, les opérations laborieuses sur le terrain et la dépendance à l'égard d'équipements coûteux et spécialisés suggèrent que de telles méthodes peuvent ne pas convenir dans les pays à revenu faible et intermédiaire (PRFI), où les ressources et l'accès aux installations de laboratoire sont limités. En outre, la complexité de la typologie des fosses et des réservoirs dans les PRFI (c'est-à-dire des conceptions et des tailles non standardisées) peut constituer un défi pour l'utilisation de FC de dimensions fixes et de conditions opérationnelles définies. La variation des méthodes de quantification et des taux d'émission résultants entre les études indique que des lacunes prévalent dans l'utilisation des méthodes existantes. Par conséquent, il existe toujours un besoin pour une méthode FC simple basée sur le terrain, facilement adaptable avec un étalonnage et une validation adéquats qui peuvent aider à quantifier de manière fiable les émissions de différentes OSS dans tous les PRFI. Los sistemas de saneamiento in situ (OSS) son una fuente de emisiones de gases de efecto invernadero (GEI). Aunque recientemente se han realizado esfuerzos para medir y cuantificar las emisiones de los tanques sépticos utilizando diversos métodos basados en el campo, la gran mayoría de la literatura publicada que informa sobre las emisiones de GEI de las unidades OSS (por ejemplo, pozos y tanques) se basa en evidencia no empírica. Esta revisión sistemática presenta una visión general y las limitaciones de los métodos basados en el campo utilizados para la cuantificación de las emisiones de GEI del OSS. Los artículos publicados en inglés se buscaron en tres bases de datos: Google Scholar, PubMed y Directory of Articles and Journals. En este estudio se incluyeron artículos revisados por pares que informaron métodos basados en campo aplicados a unidades de contención en OSS. Solo ocho de los 2085 artículos cumplieron con los criterios de inclusión con tanques sépticos como la única tecnología informada y, por lo tanto, se consideraron para la revisión. La mayoría de los estudios se han realizado en países de ingresos medios y altos. Las mediciones de campo de los GEI se realizan utilizando una cámara de flujo (FC) y los métodos de FC más comúnmente utilizados son (a) la FC estática simple modificada, (b) la FC estática automatizada y (c) la FC flotante. Los datos informados en los estudios publicados no proporcionan información suficiente sobre la calibración y validación de los resultados de las CA utilizadas. Los complejos diseños de CF, las laboriosas operaciones de campo y la dependencia de equipos costosos y especializados sugieren que tales métodos pueden no ser adecuados en países de ingresos bajos y medios (PIBM), donde los recursos y el acceso a las instalaciones de laboratorio son limitados. Además, la complejidad de la tipología de pozos y tanques en los PIBM (es decir, diseños y tamaños no estandarizados) puede ser un desafío para el uso de CF con dimensiones fijas y condiciones operativas establecidas. La variación en los métodos de cuantificación y las tasas de emisión resultantes entre los estudios indica que prevalecen brechas en el uso de los métodos existentes. Por lo tanto, todavía existe la necesidad de un método de FC simple basado en el campo y fácilmente adaptable con una calibración y validación adecuadas que pueda ayudar a cuantificar de manera confiable las emisiones de diferentes OSS en cualquier LMIC. On-site sanitation systems (OSS) are a source of greenhouse gas (GHG) emissions. Although efforts have been made recently to measure and quantify emissions from septic tanks using various field-based methods, the vast majority of published literature reporting GHG emissions from OSS units (e.g., pits and tanks) is based on non-empirical evidence. This systematic review presents an overview and limitations of field-based methods used for the quantification of GHG emissions from OSS. Papers published in English were searched in three databases: Google Scholar, PubMed, and Directory of Articles and Journals. Peer-reviewed papers that reported field-based methods applied to containment units in OSS were included in this study. Only eight out of 2085 papers met the inclusion criteria with septic tanks as the sole technology reported and were thus, considered for the review. Most of the studies have been conducted in middle- and high-income countries. Field-based measurements of GHGs are conducted using a flux chamber (FC) and the most commonly used FC methods are (a) the modified simple static FC, (b) automated static FC, and (c) floating FC. Data reported in published studies do not provide sufficient information on the calibration and validation of the results from the FCs used. The complex FC designs, laborious fieldwork operations, and reliance on expensive, specialist equipment, suggest that such methods may not be suitable in Low and Middle-Income countries (LMICs), where resources and access to laboratory facilities are limited. Also, the complexity of pits and tank typology in LMICs (i.e., unstandardised designs and sizes) may be a challenge to the use of FCs with fixed dimensions and set operational conditions. The variation in the quantification methods and resulting emission rates among the studies indicates that gaps prevail in the use of existing methods. Therefore, there is still a need for a simple field-based, easily adaptable FC method with adequate calibration and validation that can help in reliably quantifying the emissions from different OSS in any LMICs. تعد أنظمة الصرف الصحي في الموقع مصدرًا لانبعاثات غازات الدفيئة. على الرغم من الجهود التي بذلت مؤخرًا لقياس الانبعاثات من خزانات الصرف الصحي وقياسها باستخدام طرق ميدانية مختلفة، فإن الغالبية العظمى من المؤلفات المنشورة التي تبلغ عن انبعاثات غازات الدفيئة من وحدات برمجيات المصدر المفتوح (على سبيل المثال، الحفر والخزانات) تستند إلى أدلة غير تجريبية. يقدم هذا الاستعراض المنهجي لمحة عامة عن الأساليب الميدانية المستخدمة في القياس الكمي لانبعاثات غازات الدفيئة من برمجيات المصدر المفتوح والقيود المفروضة عليها. تم البحث عن الأوراق المنشورة باللغة الإنجليزية في ثلاث قواعد بيانات: الباحث العلمي من Google، و PubMed، ودليل المقالات والمجلات. تم تضمين الأوراق التي استعرضها الأقران والتي أبلغت عن الأساليب الميدانية المطبقة على وحدات الاحتواء في برمجيات المصدر المفتوح في هذه الدراسة. ثمانية فقط من أصل 2085 ورقة استوفت معايير الإدراج مع خزانات الصرف الصحي باعتبارها التكنولوجيا الوحيدة المبلغ عنها، وبالتالي تم النظر فيها للمراجعة. وقد أجريت معظم الدراسات في البلدان المتوسطة والمرتفعة الدخل. يتم إجراء القياسات الميدانية لغازات الدفيئة باستخدام غرفة التدفق (FC) وطرق FC الأكثر استخدامًا هي (أ) FC الثابت البسيط المعدل، (ب) FC الثابت الآلي، و (ج) FC العائم. لا توفر البيانات الواردة في الدراسات المنشورة معلومات كافية عن معايرة نتائج مراكز التمويل المستخدمة والتحقق من صحتها. تشير تصميمات مراكز التمويل المعقدة وعمليات العمل الميداني الشاقة والاعتماد على المعدات المتخصصة باهظة الثمن إلى أن هذه الأساليب قد لا تكون مناسبة في البلدان منخفضة ومتوسطة الدخل، حيث تكون الموارد والوصول إلى مرافق المختبرات محدودة. كما أن تعقيد تصنيف الحفر والخزانات في البلدان المنخفضة والمتوسطة الدخل (أي التصاميم والأحجام غير الموحدة) قد يشكل تحديًا لاستخدام وحدات التدفق ذات الأبعاد الثابتة والظروف التشغيلية المحددة. يشير التباين في طرق القياس الكمي ومعدلات الانبعاثات الناتجة بين الدراسات إلى أن الفجوات تسود في استخدام الأساليب الحالية. لذلك، لا تزال هناك حاجة إلى طريقة بسيطة مبنية على أساس ميداني وقابلة للتكيف بسهولة مع المعايرة والتحقق الكافيين اللذين يمكن أن يساعدا في تحديد كمية الانبعاثات من برمجيات المصدر المفتوح المختلفة بشكل موثوق في أي من البلدان المنخفضة والمتوسطة الدخل.
Heliyon arrow_drop_down University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess RoutesGreen gold 5 citations 5 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert Heliyon arrow_drop_down University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type 2023 United KingdomPublisher:Elsevier BV Prativa Poudel; Anish Ghimire; Guy Howard; Barbara Evans; Miller Alonso Camargo‐Valero; Freya Mills; Olivia Reddy; Subodh Sharma; Sarana Tuladhar; Abraham Geremew; Kenan Okurut; Baba Ngom; Manish Baidya; Sheila Dangol;pmid: 37809600
pmc: PMC10559576
Les systèmes d'assainissement sur site (OSS) sont une source d'émissions de gaz à effet de serre (GES). Bien que des efforts aient été déployés récemment pour mesurer et quantifier les émissions des fosses septiques en utilisant diverses méthodes sur le terrain, la grande majorité de la littérature publiée rapportant les émissions de GES des unités OSS (par exemple, les fosses et les citernes) est basée sur des preuves non empiriques. Cette revue systématique présente un aperçu et les limites des méthodes sur le terrain utilisées pour la quantification des émissions de GES provenant des logiciels libres. Les articles publiés en anglais ont été recherchés dans trois bases de données : Google Scholar, PubMed et Directory of Articles and Journals. Les articles évalués par des pairs qui ont rapporté des méthodes sur le terrain appliquées aux unités de confinement dans l'OSS ont été inclus dans cette étude. Seuls huit des 2085 articles répondaient aux critères d'inclusion avec des fosses septiques comme seule technologie signalée et ont donc été pris en compte pour l'examen. La plupart des études ont été menées dans des pays à revenu intermédiaire et élevé. Les mesures sur le terrain des GES sont effectuées à l'aide d'une chambre de flux (FC) et les méthodes FC les plus couramment utilisées sont (a) la FC statique simple modifiée, (b) la FC statique automatisée et (c) la FC flottante. Les données rapportées dans les études publiées ne fournissent pas suffisamment d'informations sur l'étalonnage et la validation des résultats des FC utilisées. Les conceptions FC complexes, les opérations laborieuses sur le terrain et la dépendance à l'égard d'équipements coûteux et spécialisés suggèrent que de telles méthodes peuvent ne pas convenir dans les pays à revenu faible et intermédiaire (PRFI), où les ressources et l'accès aux installations de laboratoire sont limités. En outre, la complexité de la typologie des fosses et des réservoirs dans les PRFI (c'est-à-dire des conceptions et des tailles non standardisées) peut constituer un défi pour l'utilisation de FC de dimensions fixes et de conditions opérationnelles définies. La variation des méthodes de quantification et des taux d'émission résultants entre les études indique que des lacunes prévalent dans l'utilisation des méthodes existantes. Par conséquent, il existe toujours un besoin pour une méthode FC simple basée sur le terrain, facilement adaptable avec un étalonnage et une validation adéquats qui peuvent aider à quantifier de manière fiable les émissions de différentes OSS dans tous les PRFI. Los sistemas de saneamiento in situ (OSS) son una fuente de emisiones de gases de efecto invernadero (GEI). Aunque recientemente se han realizado esfuerzos para medir y cuantificar las emisiones de los tanques sépticos utilizando diversos métodos basados en el campo, la gran mayoría de la literatura publicada que informa sobre las emisiones de GEI de las unidades OSS (por ejemplo, pozos y tanques) se basa en evidencia no empírica. Esta revisión sistemática presenta una visión general y las limitaciones de los métodos basados en el campo utilizados para la cuantificación de las emisiones de GEI del OSS. Los artículos publicados en inglés se buscaron en tres bases de datos: Google Scholar, PubMed y Directory of Articles and Journals. En este estudio se incluyeron artículos revisados por pares que informaron métodos basados en campo aplicados a unidades de contención en OSS. Solo ocho de los 2085 artículos cumplieron con los criterios de inclusión con tanques sépticos como la única tecnología informada y, por lo tanto, se consideraron para la revisión. La mayoría de los estudios se han realizado en países de ingresos medios y altos. Las mediciones de campo de los GEI se realizan utilizando una cámara de flujo (FC) y los métodos de FC más comúnmente utilizados son (a) la FC estática simple modificada, (b) la FC estática automatizada y (c) la FC flotante. Los datos informados en los estudios publicados no proporcionan información suficiente sobre la calibración y validación de los resultados de las CA utilizadas. Los complejos diseños de CF, las laboriosas operaciones de campo y la dependencia de equipos costosos y especializados sugieren que tales métodos pueden no ser adecuados en países de ingresos bajos y medios (PIBM), donde los recursos y el acceso a las instalaciones de laboratorio son limitados. Además, la complejidad de la tipología de pozos y tanques en los PIBM (es decir, diseños y tamaños no estandarizados) puede ser un desafío para el uso de CF con dimensiones fijas y condiciones operativas establecidas. La variación en los métodos de cuantificación y las tasas de emisión resultantes entre los estudios indica que prevalecen brechas en el uso de los métodos existentes. Por lo tanto, todavía existe la necesidad de un método de FC simple basado en el campo y fácilmente adaptable con una calibración y validación adecuadas que pueda ayudar a cuantificar de manera confiable las emisiones de diferentes OSS en cualquier LMIC. On-site sanitation systems (OSS) are a source of greenhouse gas (GHG) emissions. Although efforts have been made recently to measure and quantify emissions from septic tanks using various field-based methods, the vast majority of published literature reporting GHG emissions from OSS units (e.g., pits and tanks) is based on non-empirical evidence. This systematic review presents an overview and limitations of field-based methods used for the quantification of GHG emissions from OSS. Papers published in English were searched in three databases: Google Scholar, PubMed, and Directory of Articles and Journals. Peer-reviewed papers that reported field-based methods applied to containment units in OSS were included in this study. Only eight out of 2085 papers met the inclusion criteria with septic tanks as the sole technology reported and were thus, considered for the review. Most of the studies have been conducted in middle- and high-income countries. Field-based measurements of GHGs are conducted using a flux chamber (FC) and the most commonly used FC methods are (a) the modified simple static FC, (b) automated static FC, and (c) floating FC. Data reported in published studies do not provide sufficient information on the calibration and validation of the results from the FCs used. The complex FC designs, laborious fieldwork operations, and reliance on expensive, specialist equipment, suggest that such methods may not be suitable in Low and Middle-Income countries (LMICs), where resources and access to laboratory facilities are limited. Also, the complexity of pits and tank typology in LMICs (i.e., unstandardised designs and sizes) may be a challenge to the use of FCs with fixed dimensions and set operational conditions. The variation in the quantification methods and resulting emission rates among the studies indicates that gaps prevail in the use of existing methods. Therefore, there is still a need for a simple field-based, easily adaptable FC method with adequate calibration and validation that can help in reliably quantifying the emissions from different OSS in any LMICs. تعد أنظمة الصرف الصحي في الموقع مصدرًا لانبعاثات غازات الدفيئة. على الرغم من الجهود التي بذلت مؤخرًا لقياس الانبعاثات من خزانات الصرف الصحي وقياسها باستخدام طرق ميدانية مختلفة، فإن الغالبية العظمى من المؤلفات المنشورة التي تبلغ عن انبعاثات غازات الدفيئة من وحدات برمجيات المصدر المفتوح (على سبيل المثال، الحفر والخزانات) تستند إلى أدلة غير تجريبية. يقدم هذا الاستعراض المنهجي لمحة عامة عن الأساليب الميدانية المستخدمة في القياس الكمي لانبعاثات غازات الدفيئة من برمجيات المصدر المفتوح والقيود المفروضة عليها. تم البحث عن الأوراق المنشورة باللغة الإنجليزية في ثلاث قواعد بيانات: الباحث العلمي من Google، و PubMed، ودليل المقالات والمجلات. تم تضمين الأوراق التي استعرضها الأقران والتي أبلغت عن الأساليب الميدانية المطبقة على وحدات الاحتواء في برمجيات المصدر المفتوح في هذه الدراسة. ثمانية فقط من أصل 2085 ورقة استوفت معايير الإدراج مع خزانات الصرف الصحي باعتبارها التكنولوجيا الوحيدة المبلغ عنها، وبالتالي تم النظر فيها للمراجعة. وقد أجريت معظم الدراسات في البلدان المتوسطة والمرتفعة الدخل. يتم إجراء القياسات الميدانية لغازات الدفيئة باستخدام غرفة التدفق (FC) وطرق FC الأكثر استخدامًا هي (أ) FC الثابت البسيط المعدل، (ب) FC الثابت الآلي، و (ج) FC العائم. لا توفر البيانات الواردة في الدراسات المنشورة معلومات كافية عن معايرة نتائج مراكز التمويل المستخدمة والتحقق من صحتها. تشير تصميمات مراكز التمويل المعقدة وعمليات العمل الميداني الشاقة والاعتماد على المعدات المتخصصة باهظة الثمن إلى أن هذه الأساليب قد لا تكون مناسبة في البلدان منخفضة ومتوسطة الدخل، حيث تكون الموارد والوصول إلى مرافق المختبرات محدودة. كما أن تعقيد تصنيف الحفر والخزانات في البلدان المنخفضة والمتوسطة الدخل (أي التصاميم والأحجام غير الموحدة) قد يشكل تحديًا لاستخدام وحدات التدفق ذات الأبعاد الثابتة والظروف التشغيلية المحددة. يشير التباين في طرق القياس الكمي ومعدلات الانبعاثات الناتجة بين الدراسات إلى أن الفجوات تسود في استخدام الأساليب الحالية. لذلك، لا تزال هناك حاجة إلى طريقة بسيطة مبنية على أساس ميداني وقابلة للتكيف بسهولة مع المعايرة والتحقق الكافيين اللذين يمكن أن يساعدا في تحديد كمية الانبعاثات من برمجيات المصدر المفتوح المختلفة بشكل موثوق في أي من البلدان المنخفضة والمتوسطة الدخل.
Heliyon arrow_drop_down University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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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more_vert Heliyon arrow_drop_down University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2019 FrancePublisher:Springer Science and Business Media LLC Funded by:SSHRCSSHRCBerman, Matthew; Baztan, Juan; Kofinas, Gary; Vanderlinden, Jean-Paul; Chouinard, Omer; Huctin, Jean-Michel; Kane, Alioune; Mazé, Camille; Nikulkina, Inga; Thomson, Kaleekal;Climate change is causing wide-ranging effects on ecosystem services critical to coastal communities and livelihoods, creating an urgent need to adapt. Most studies of climate change adaptation consist of narrative descriptions of individual cases or global synthesis, making it difficult to formulate and test locally rooted but generalizable hypotheses about adaptation processes. In contrast, researchers in this study analyzed key points in climate change adaptation derived from coordinated fieldwork in seven coastal communities around the world, including Arctic, temperate, and tropical areas on four continents. Study communities faced multiple challenges from sea level rise and warmer ocean temperatures, including coastal erosion, increasing salinity, and ecological changes. We analyzed how the communities adapted to climate effects and other co-occurring forces for change, focusing on most important changes to local livelihoods and societies, and barriers to and enablers of adaptation. Although many factors contributed to adaptation, communities with strong self-organized local institutions appeared better able to adapt without substantial loss of well-being than communities where these institutions were weak or absent. Key features of these institutions included setting and enforcing rules locally and communication across scales. Self-governing local institutions have been associated with sustainable management of natural resources. In our study communities, analogous institutions played a similar role to moderate adverse effects from climate-driven environmental change. The findings suggest that policies to strengthen, recognize, and accommodate local institutions could improve adaptation outcomes.
Climatic Change arrow_drop_down Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Bretagne Occidentale: HALArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess RoutesGreen bronze 37 citations 37 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Climatic Change arrow_drop_down Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Bretagne Occidentale: HALArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s10584-019-02571-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2019 FrancePublisher:Springer Science and Business Media LLC Funded by:SSHRCSSHRCBerman, Matthew; Baztan, Juan; Kofinas, Gary; Vanderlinden, Jean-Paul; Chouinard, Omer; Huctin, Jean-Michel; Kane, Alioune; Mazé, Camille; Nikulkina, Inga; Thomson, Kaleekal;Climate change is causing wide-ranging effects on ecosystem services critical to coastal communities and livelihoods, creating an urgent need to adapt. Most studies of climate change adaptation consist of narrative descriptions of individual cases or global synthesis, making it difficult to formulate and test locally rooted but generalizable hypotheses about adaptation processes. In contrast, researchers in this study analyzed key points in climate change adaptation derived from coordinated fieldwork in seven coastal communities around the world, including Arctic, temperate, and tropical areas on four continents. Study communities faced multiple challenges from sea level rise and warmer ocean temperatures, including coastal erosion, increasing salinity, and ecological changes. We analyzed how the communities adapted to climate effects and other co-occurring forces for change, focusing on most important changes to local livelihoods and societies, and barriers to and enablers of adaptation. Although many factors contributed to adaptation, communities with strong self-organized local institutions appeared better able to adapt without substantial loss of well-being than communities where these institutions were weak or absent. Key features of these institutions included setting and enforcing rules locally and communication across scales. Self-governing local institutions have been associated with sustainable management of natural resources. In our study communities, analogous institutions played a similar role to moderate adverse effects from climate-driven environmental change. The findings suggest that policies to strengthen, recognize, and accommodate local institutions could improve adaptation outcomes.
Climatic Change arrow_drop_down Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Bretagne Occidentale: HALArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess RoutesGreen bronze 37 citations 37 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Climatic Change arrow_drop_down Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Bretagne Occidentale: HALArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2021Publisher:TIB Open Publishing Authors: Essodossomondom Anate; N'detigma Kata; Hodo-Abalo Samah; Amadou Seidou Maïga;Perovskite is certainly the material of the future of photovoltaics for terrestrial applications. With high efficiencies and advances in stability, perovskite solar cells, modules and mini-modules have already made their appearance in the laboratory and are being tested under real-world conditions to evaluate their real performance. In our study, we predict the performance of perovskite-based photovoltaic panel technology under the conditions of the Sub-Saharan African region by simulation. We started from the current-voltage characteristic of a real perovskite-based module to extract the cell parameters through MATLAB analysis software. These parameters were used to model a cell and then a module in the LTSpice XVII software for simulation. The impact of temperature is studied to evaluate the performance ratio (PR) of a clear day. This study allowed us to evaluate the PR of the perovskite solar module. Displaying PR reaching 90%, perovskite is a future candidate with high potential in the list of the most suitable technologies for our sub-region.
TH Wildau Engineerin... arrow_drop_down TH Wildau Engineering and Natural Sciences ProceedingsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefTH Wildau Engineering and Natural Sciences ProceedingsArticleLicense: CC BYData sources: UnpayWalladd 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.euAccess Routesgold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert TH Wildau Engineerin... arrow_drop_down TH Wildau Engineering and Natural Sciences ProceedingsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefTH Wildau Engineering and Natural Sciences ProceedingsArticleLicense: CC BYData sources: UnpayWalladd 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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.52825/thwildauensp.v1i.3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2021Publisher:TIB Open Publishing Authors: Essodossomondom Anate; N'detigma Kata; Hodo-Abalo Samah; Amadou Seidou Maïga;Perovskite is certainly the material of the future of photovoltaics for terrestrial applications. With high efficiencies and advances in stability, perovskite solar cells, modules and mini-modules have already made their appearance in the laboratory and are being tested under real-world conditions to evaluate their real performance. In our study, we predict the performance of perovskite-based photovoltaic panel technology under the conditions of the Sub-Saharan African region by simulation. We started from the current-voltage characteristic of a real perovskite-based module to extract the cell parameters through MATLAB analysis software. These parameters were used to model a cell and then a module in the LTSpice XVII software for simulation. The impact of temperature is studied to evaluate the performance ratio (PR) of a clear day. This study allowed us to evaluate the PR of the perovskite solar module. Displaying PR reaching 90%, perovskite is a future candidate with high potential in the list of the most suitable technologies for our sub-region.
TH Wildau Engineerin... arrow_drop_down TH Wildau Engineering and Natural Sciences ProceedingsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefTH Wildau Engineering and Natural Sciences ProceedingsArticleLicense: CC BYData sources: UnpayWalladd 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.euAccess Routesgold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert TH Wildau Engineerin... arrow_drop_down TH Wildau Engineering and Natural Sciences ProceedingsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefTH Wildau Engineering and Natural Sciences ProceedingsArticleLicense: CC BYData sources: UnpayWalladd 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 , Other literature type 2022 FrancePublisher:Frontiers Media SA Authors: Grazia Pacillo; Daniel Kangogo; Ignacio Madurga-Lopez; Víctor Manuel Zamora Villa; +2 AuthorsGrazia Pacillo; Daniel Kangogo; Ignacio Madurga-Lopez; Víctor Manuel Zamora Villa; Anna Maria Belli; Peter Läderach;handle: 10568/127749
Climate continues to pose significant challenges to human existence. Notably, in the past decade, the focus on the role of climate on conflict and social unrest has gained traction in academic, development, and policy communities. This article examines the link between climate variability and conflict in Mali. It advances the argument that climate is a threat multiplier, in other words, climate indirectly affects conflict occurrence through numerous pathways. We take the view that maize production and household food security status sequentially mediate the relationship between climate variability and the different conflict types. First, we provide a brief review of the climate conflict pathways in Mali. Second, we employ the path analysis within the structural equation modeling technique to test the hypothesized pathways and answer the research questions. We use the Living Standards Measurement Study-Integrated Surveys on Agriculture (LSMS-ISA), a nationally representative data from Mali merged with time and location-specific climate and the Armed Conflict Location and Event Data (ACLED) data. Results show that an increase in positive temperature anomalies when sequentially mediated by maize production and household food security status, increase the occurrence of the different conflict types. The results are robust to the use of negative precipitation anomalies (tendency toward less precipitation compared to the historical norm). Our findings highlight two key messages, first, the crucial role of climate change adaptation and mitigation strategies and interventions on influencing household food security status and thus reducing conflict occurrence. Second, that efforts to build peace and security should account for the role of climate in exacerbating the root causes of conflict.
CGIAR CGSpace (Consu... arrow_drop_down CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2023License: CC BYFull-Text: https://hdl.handle.net/10568/116459Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess RoutesGreen gold 6 citations 6 popularity Average influence Average impulse Top 10% Powered by BIP!
more_vert CGIAR CGSpace (Consu... arrow_drop_down CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2023License: CC BYFull-Text: https://hdl.handle.net/10568/116459Data sources: Bielefeld Academic Search Engine (BASE)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 , Other literature type 2022 FrancePublisher:Frontiers Media SA Authors: Grazia Pacillo; Daniel Kangogo; Ignacio Madurga-Lopez; Víctor Manuel Zamora Villa; +2 AuthorsGrazia Pacillo; Daniel Kangogo; Ignacio Madurga-Lopez; Víctor Manuel Zamora Villa; Anna Maria Belli; Peter Läderach;handle: 10568/127749
Climate continues to pose significant challenges to human existence. Notably, in the past decade, the focus on the role of climate on conflict and social unrest has gained traction in academic, development, and policy communities. This article examines the link between climate variability and conflict in Mali. It advances the argument that climate is a threat multiplier, in other words, climate indirectly affects conflict occurrence through numerous pathways. We take the view that maize production and household food security status sequentially mediate the relationship between climate variability and the different conflict types. First, we provide a brief review of the climate conflict pathways in Mali. Second, we employ the path analysis within the structural equation modeling technique to test the hypothesized pathways and answer the research questions. We use the Living Standards Measurement Study-Integrated Surveys on Agriculture (LSMS-ISA), a nationally representative data from Mali merged with time and location-specific climate and the Armed Conflict Location and Event Data (ACLED) data. Results show that an increase in positive temperature anomalies when sequentially mediated by maize production and household food security status, increase the occurrence of the different conflict types. The results are robust to the use of negative precipitation anomalies (tendency toward less precipitation compared to the historical norm). Our findings highlight two key messages, first, the crucial role of climate change adaptation and mitigation strategies and interventions on influencing household food security status and thus reducing conflict occurrence. Second, that efforts to build peace and security should account for the role of climate in exacerbating the root causes of conflict.
CGIAR CGSpace (Consu... arrow_drop_down CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2023License: CC BYFull-Text: https://hdl.handle.net/10568/116459Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess RoutesGreen gold 6 citations 6 popularity Average influence Average impulse Top 10% Powered by BIP!
more_vert CGIAR CGSpace (Consu... arrow_drop_down CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2023License: CC BYFull-Text: https://hdl.handle.net/10568/116459Data sources: Bielefeld Academic Search Engine (BASE)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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description Publicationkeyboard_double_arrow_right Article 2020Publisher:Collaborating Academics Keita E.M.; Ndiaye B.; Dia M.; Tabar Y.; Sene C.; Mbow B.;doi: 10.23647/ca.md202005
In this work we study the spectral responses of thin films solar cells of heterojunctions based on CuInSe2 and CuInS2. Four-layer structures are studied according to the n+n/pp+ model. First we consider the structure ZnO(n+)/CdS(n)/CuInS2(p)/CuInSe2(p+) where CuInS2 represent the base and CuInSe2 the substrate in this model. Secondly we consider the structure ZnO(n+)/CdS(n)/CuInSe2(p)/ CuInS2(p+), for this model CuInSe2 represent the base and CuInS2 the substrate. ZnO and CdS are used as window layers in each structure. Using the continuity equation that governs transport of carriers in semiconductor material, models for calculating spectral responses are proposed for heterojunctions type n+n/pp+ based on CuInSe2 and CuInS2. For each structure we have presented the energy band diagram based on the Anderson model [1] and determined the expression of the photocurrent. The theoretical results obtained allow to compare the performances of these two models by optimizing the different parameters of each structure (base thickness, diffusion length, recombination velocity at the interface, etc.) in order to improve the overall efficiency of the collection of carriers.
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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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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.23647/ca.md202005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article 2020Publisher:Collaborating Academics Keita E.M.; Ndiaye B.; Dia M.; Tabar Y.; Sene C.; Mbow B.;doi: 10.23647/ca.md202005
In this work we study the spectral responses of thin films solar cells of heterojunctions based on CuInSe2 and CuInS2. Four-layer structures are studied according to the n+n/pp+ model. First we consider the structure ZnO(n+)/CdS(n)/CuInS2(p)/CuInSe2(p+) where CuInS2 represent the base and CuInSe2 the substrate in this model. Secondly we consider the structure ZnO(n+)/CdS(n)/CuInSe2(p)/ CuInS2(p+), for this model CuInSe2 represent the base and CuInS2 the substrate. ZnO and CdS are used as window layers in each structure. Using the continuity equation that governs transport of carriers in semiconductor material, models for calculating spectral responses are proposed for heterojunctions type n+n/pp+ based on CuInSe2 and CuInS2. For each structure we have presented the energy band diagram based on the Anderson model [1] and determined the expression of the photocurrent. The theoretical results obtained allow to compare the performances of these two models by optimizing the different parameters of each structure (base thickness, diffusion length, recombination velocity at the interface, etc.) in order to improve the overall efficiency of the collection of carriers.
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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.23647/ca.md202005&type=result"></script>'); --> </script>
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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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.23647/ca.md202005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2018 Peru, France, PeruPublisher:Springer Science and Business Media LLC Funded by:ANR | PACMEDYANR| PACMEDYAlban Lazar; Nicolas Patris; Malick Wade; Rachid Cheddadi; Manuel Chevalier; Claire E. Lazareth; Amadou Thierno Gaye; Moufok Azzoug; Abdoulaye Camara; Juliette Mignot; Paul Zaharias; Denis Fiorillo; Matthieu Carré; Matthieu Carré; Nancy Mitma Garcia; Myriam Khodri; Serge Janicot; Océane Perrot;handle: 20.500.12866/6859
As climate model uncertainties remain very large for future rainfall in the Sahel, a multi-centennial perspective is required to assess the situation of current Sahel climate in the context of global warming. We present here the first record of hydroclimatic variability over the past 1600 years in Senegal, obtained from stable oxygen isotope analyses (δ18O) in archaeological shell middens from the Saloum Delta. During the preindustrial period, the region was relatively humid, with maximum humidity reached during the period from AD 1500 to AD 1800, referred to as the Little Ice Age. A significant negative link is observed at the centennial scale between global temperature and humidity in the Sahel that is at odds with the expected effects of latitudinal shifts of the intertropical convergence zone during the last millennium. In the context of the past 1600 years, the Western Sahel appears to be experiencing today unprecedented drought conditions. The rapid aridification that started ca. AD 1800 and the recent emergence of Sahel drought from the natural variability point to an anthropogenic forcing of Sahel drying trend. This new long-term perspective suggests that the recovery of Sahel rainfall in the last decade may only result from short-term internal variability, and supports climate models that predict an increase of Sahel drought under future greenhouse climate.
Hyper Article en Lig... arrow_drop_down École Polytechnique, Université Paris-Saclay: HALArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s00382-018-4311-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 15 citations 15 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert Hyper Article en Lig... arrow_drop_down École Polytechnique, Université Paris-Saclay: HALArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s00382-018-4311-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2018 Peru, France, PeruPublisher:Springer Science and Business Media LLC Funded by:ANR | PACMEDYANR| PACMEDYAlban Lazar; Nicolas Patris; Malick Wade; Rachid Cheddadi; Manuel Chevalier; Claire E. Lazareth; Amadou Thierno Gaye; Moufok Azzoug; Abdoulaye Camara; Juliette Mignot; Paul Zaharias; Denis Fiorillo; Matthieu Carré; Matthieu Carré; Nancy Mitma Garcia; Myriam Khodri; Serge Janicot; Océane Perrot;handle: 20.500.12866/6859
As climate model uncertainties remain very large for future rainfall in the Sahel, a multi-centennial perspective is required to assess the situation of current Sahel climate in the context of global warming. We present here the first record of hydroclimatic variability over the past 1600 years in Senegal, obtained from stable oxygen isotope analyses (δ18O) in archaeological shell middens from the Saloum Delta. During the preindustrial period, the region was relatively humid, with maximum humidity reached during the period from AD 1500 to AD 1800, referred to as the Little Ice Age. A significant negative link is observed at the centennial scale between global temperature and humidity in the Sahel that is at odds with the expected effects of latitudinal shifts of the intertropical convergence zone during the last millennium. In the context of the past 1600 years, the Western Sahel appears to be experiencing today unprecedented drought conditions. The rapid aridification that started ca. AD 1800 and the recent emergence of Sahel drought from the natural variability point to an anthropogenic forcing of Sahel drying trend. This new long-term perspective suggests that the recovery of Sahel rainfall in the last decade may only result from short-term internal variability, and supports climate models that predict an increase of Sahel drought under future greenhouse climate.
Hyper Article en Lig... arrow_drop_down École Polytechnique, Université Paris-Saclay: HALArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s00382-018-4311-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 15 citations 15 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert Hyper Article en Lig... arrow_drop_down École Polytechnique, Université Paris-Saclay: HALArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02349321Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s00382-018-4311-3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type , Journal 2019 FrancePublisher:IOP Publishing Funded by:UKRI | AMMA-2050 NEC05274UKRI| AMMA-2050 NEC05274Adeline Bichet; Benoit Hingray; Guillaume Evin; Arona Diedhiou; Cheikh Mouhamed Fadel Kebe; Sandrine Anquetin;Abstract The development of renewable electricity in Africa could be massive in coming decades, as a response to the rapid rising electricity demand while complying with the Paris Agreements. This study shows that in the high-resolution climate experiments of CORDEX-AFRICA, the annual mean solar potential is expected to decrease on average by 4% over most of the continent by the end of the century, reaching up to 6% over the Horn of Africa, as a direct result of decrease in solar radiation and increase in air surface temperature. These projections are associated with large uncertainties, in particular over the Sahel and the elevated terrains of eastern Africa. While the expected decrease may affect the sizing of the numerous solar projects planned in Africa for the next decades, this study suggests that it does not endanger their viability. At last, this study indicates that the design of such projects also needs to account for the non-negligible uncertainties associated with the resource.
Hyper Article en Lig... arrow_drop_down Université Grenoble Alpes: HALArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2019Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ab500a&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu53 citations 53 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Hyper Article en Lig... arrow_drop_down Université Grenoble Alpes: HALArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2019Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ab500a&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type , Journal 2019 FrancePublisher:IOP Publishing Funded by:UKRI | AMMA-2050 NEC05274UKRI| AMMA-2050 NEC05274Adeline Bichet; Benoit Hingray; Guillaume Evin; Arona Diedhiou; Cheikh Mouhamed Fadel Kebe; Sandrine Anquetin;Abstract The development of renewable electricity in Africa could be massive in coming decades, as a response to the rapid rising electricity demand while complying with the Paris Agreements. This study shows that in the high-resolution climate experiments of CORDEX-AFRICA, the annual mean solar potential is expected to decrease on average by 4% over most of the continent by the end of the century, reaching up to 6% over the Horn of Africa, as a direct result of decrease in solar radiation and increase in air surface temperature. These projections are associated with large uncertainties, in particular over the Sahel and the elevated terrains of eastern Africa. While the expected decrease may affect the sizing of the numerous solar projects planned in Africa for the next decades, this study suggests that it does not endanger their viability. At last, this study indicates that the design of such projects also needs to account for the non-negligible uncertainties associated with the resource.
Hyper Article en Lig... arrow_drop_down Université Grenoble Alpes: HALArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2019Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ab500a&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu53 citations 53 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Hyper Article en Lig... arrow_drop_down Université Grenoble Alpes: HALArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2019Full-Text: https://hal.science/hal-02341149Data sources: Bielefeld Academic Search Engine (BASE)Institut National de la Recherche Agronomique: ProdINRAArticle . 2019Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1088/1748-9326/ab500a&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2015 FrancePublisher:Elsevier BV Authors: Sall, Saïdou Nourou; Ndour, Ndèye Yacine Badiane; Diédhiou-Sall, Siré; Dick, Richard; +1 AuthorsSall, Saïdou Nourou; Ndour, Ndèye Yacine Badiane; Diédhiou-Sall, Siré; Dick, Richard; Chotte, Jean Luc;pmid: 26143083
Soil degradation and salinization caused by inappropriate cultivation practices and high levels of saltwater intrusion are having an adverse effect on agriculture in Central Senegal. The residues of Piliostigma reticulatum, a local shrub that coexists with crops, were recently shown to increase particulate organic matter and improve soil quality and may be a promising means of alleviating the effects of salinization. This study compared the effects of inorganic fertilizer and P. reticulatum residues on microbial properties and the ability of soil to withstand salinity stress. We hypothesized that soils amended with P. reticulatum would be less affected by salinity stress than soils amended with inorganic fertilizer and control soil. Salinity stress was applied to soil from a field site that had been cultivated for 5 years under a millet/peanut crop rotation when microbial biomass, phospholipid fatty acid (PLFA) community profile, catabolic diversity, microbial activities were determined. Microbial biomass, nitrification potential and dehydrogenase activity were higher by 20%, 56% and 69% respectively in soil with the organic amendment. With salinity stress, the structure and activities of the microbial community were significantly affected. Although the biomass of actinobacteria community increased with salinity stress, there was a substantial reduction in microbial activity in all soils. The soil organically amended was, however, less affected by salinity stress than the control or inorganic fertilizer treatment. This suggests that amendment using P. reticulatum residues may improve the ability of soils to respond to saline conditions.
INRIA a CCSD electro... arrow_drop_down INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverJournal of Environmental ManagementArticle . 2015 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess RoutesGreen 25 citations 25 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert INRIA a CCSD electro... arrow_drop_down INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverJournal of Environmental ManagementArticle . 2015 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jenvman.2015.06.017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal , Other literature type 2015 FrancePublisher:Elsevier BV Authors: Sall, Saïdou Nourou; Ndour, Ndèye Yacine Badiane; Diédhiou-Sall, Siré; Dick, Richard; +1 AuthorsSall, Saïdou Nourou; Ndour, Ndèye Yacine Badiane; Diédhiou-Sall, Siré; Dick, Richard; Chotte, Jean Luc;pmid: 26143083
Soil degradation and salinization caused by inappropriate cultivation practices and high levels of saltwater intrusion are having an adverse effect on agriculture in Central Senegal. The residues of Piliostigma reticulatum, a local shrub that coexists with crops, were recently shown to increase particulate organic matter and improve soil quality and may be a promising means of alleviating the effects of salinization. This study compared the effects of inorganic fertilizer and P. reticulatum residues on microbial properties and the ability of soil to withstand salinity stress. We hypothesized that soils amended with P. reticulatum would be less affected by salinity stress than soils amended with inorganic fertilizer and control soil. Salinity stress was applied to soil from a field site that had been cultivated for 5 years under a millet/peanut crop rotation when microbial biomass, phospholipid fatty acid (PLFA) community profile, catabolic diversity, microbial activities were determined. Microbial biomass, nitrification potential and dehydrogenase activity were higher by 20%, 56% and 69% respectively in soil with the organic amendment. With salinity stress, the structure and activities of the microbial community were significantly affected. Although the biomass of actinobacteria community increased with salinity stress, there was a substantial reduction in microbial activity in all soils. The soil organically amended was, however, less affected by salinity stress than the control or inorganic fertilizer treatment. This suggests that amendment using P. reticulatum residues may improve the ability of soils to respond to saline conditions.
INRIA a CCSD electro... arrow_drop_down INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverJournal of Environmental ManagementArticle . 2015 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.jenvman.2015.06.017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen 25 citations 25 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert INRIA a CCSD electro... arrow_drop_down INRIA a CCSD electronic archive serverArticle . 2015Data sources: INRIA a CCSD electronic archive serverJournal of Environmental ManagementArticle . 2015 . Peer-reviewedLicense: Elsevier TDMData sources: CrossrefInstitut National de la Recherche Agronomique: ProdINRAArticle . 2015Data sources: Bielefeld Academic Search Engine (BASE)CIRAD: HAL (Agricultural Research for Development)Article . 2015Data sources: Bielefeld Academic Search Engine (BASE)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.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2011Publisher:Elsevier BV Authors: Samir Taha; Samir Taha; Sophie Ricordel; Ibrahim I Cisse;AbstractPeanut husks incinerated residues (PHIR) has been used for the adsorption of Pb2+, Zn2+, Ni2+ and Cd2+, over a range of initial metal ion concentration (0.15mM). Chemical and physical characteristics of PHIR were determined. The effects of particle size and of carbon doses were evaluated by batch experiments. The kinetics of sorption was followed based on the amounts of metal sorbed at various time intervals. The modelling of kinetic curves has also been investigated. The rate constant and the reaction order have been calculated. The results show that Pb2+ has best affinity to PHIR than Cd2+, Ni2+, Zn2+. From these results an order of the sorption capacity of metal ions sorbed was derived.
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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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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.egypro.2011.05.017&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2011Publisher:Elsevier BV Authors: Samir Taha; Samir Taha; Sophie Ricordel; Ibrahim I Cisse;AbstractPeanut husks incinerated residues (PHIR) has been used for the adsorption of Pb2+, Zn2+, Ni2+ and Cd2+, over a range of initial metal ion concentration (0.15mM). Chemical and physical characteristics of PHIR were determined. The effects of particle size and of carbon doses were evaluated by batch experiments. The kinetics of sorption was followed based on the amounts of metal sorbed at various time intervals. The modelling of kinetic curves has also been investigated. The rate constant and the reaction order have been calculated. The results show that Pb2+ has best affinity to PHIR than Cd2+, Ni2+, Zn2+. From these results an order of the sorption capacity of metal ions sorbed was derived.
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.euAccess Routesgold 10 citations 10 popularity Top 10% 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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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2023 United KingdomPublisher:Wiley Funded by:UKRI | Unlocking resilient benef..., UKRI | ARUA Water Centre of Exce...UKRI| Unlocking resilient benefits from African water resources ,UKRI| ARUA Water Centre of Excellence Development: "Water for African SDGs"Carolyn G. Palmer; Jane Tanner; James Akanmu; Tena Alamirew; Yazidhi Bamutaze; Noble Banadda; Frances Cleaver; Sérigne Faye; Isa Kabenge; Alioune Kane; E. O. Longe; Joel Nobert; Venuste Nsengimana; Vanessa Speight; Sally Weston; Kevin Winter; Zerihun Woldu;AbstractIt has become increasingly common to include participatory processes, several academic disciplines, and additional wide‐ranging ways of knowing, in using research to tackle the escalating environmental problems of the 21st Century. There are barriers to the success of these efforts. In this paper we present the Adaptive Systemic Approach (ASA). The ASA is designed to provide a clear pathway for research related to sustainability issues, river basin problems and natural resource development, and to deliver change towards improved ecological health and social justice outcomes. The design of the ASA rests on three key concepts: complex social‐ecological systems, transdisciplinarity, and transformative social learning, together with Strategic Adaptive Management as the theoretically consistent operational process. We identify logical connections between the concepts and Strategic Adaptive Management so that the ASA emerges as a coherent and practical research and praxis pathway. The ASA process is then outlined to support uptake and wider application. We present findings from ASA praxis in a collaborative African research program considering river basin problems in seven countries, where key contextual learnings led to the recognition of five barriers to effective research impact outcomes: (1) Lack of an integrative conceptual grounding. (2) Participatory stakeholder engagement flawed by epistemic injustice. (3) Inadequate transdisciplinary team building. (4) Insufficient inclusion of learning, reflection, and systemic adaptation. (5) Inflated claims of probable impact in terms of creating change towards improved ecological health and social justice. We reflect on the ways the ASA contributes to breaching these barriers. Early key learnings from ASA praxis leads us to suggest that the ASA has practical value for policy makers, practitioners and researchers seeking pathways for fair and sustainable river management, and more broadly in natural resource development.
River Research and A... arrow_drop_down Lancaster University: Lancaster EprintsArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess Routeshybrid 3 citations 3 popularity Average influence Average impulse Average Powered by BIP!
more_vert River Research and A... arrow_drop_down Lancaster University: Lancaster EprintsArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/rra.4178&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2023 United KingdomPublisher:Wiley Funded by:UKRI | Unlocking resilient benef..., UKRI | ARUA Water Centre of Exce...UKRI| Unlocking resilient benefits from African water resources ,UKRI| ARUA Water Centre of Excellence Development: "Water for African SDGs"Carolyn G. Palmer; Jane Tanner; James Akanmu; Tena Alamirew; Yazidhi Bamutaze; Noble Banadda; Frances Cleaver; Sérigne Faye; Isa Kabenge; Alioune Kane; E. O. Longe; Joel Nobert; Venuste Nsengimana; Vanessa Speight; Sally Weston; Kevin Winter; Zerihun Woldu;AbstractIt has become increasingly common to include participatory processes, several academic disciplines, and additional wide‐ranging ways of knowing, in using research to tackle the escalating environmental problems of the 21st Century. There are barriers to the success of these efforts. In this paper we present the Adaptive Systemic Approach (ASA). The ASA is designed to provide a clear pathway for research related to sustainability issues, river basin problems and natural resource development, and to deliver change towards improved ecological health and social justice outcomes. The design of the ASA rests on three key concepts: complex social‐ecological systems, transdisciplinarity, and transformative social learning, together with Strategic Adaptive Management as the theoretically consistent operational process. We identify logical connections between the concepts and Strategic Adaptive Management so that the ASA emerges as a coherent and practical research and praxis pathway. The ASA process is then outlined to support uptake and wider application. We present findings from ASA praxis in a collaborative African research program considering river basin problems in seven countries, where key contextual learnings led to the recognition of five barriers to effective research impact outcomes: (1) Lack of an integrative conceptual grounding. (2) Participatory stakeholder engagement flawed by epistemic injustice. (3) Inadequate transdisciplinary team building. (4) Insufficient inclusion of learning, reflection, and systemic adaptation. (5) Inflated claims of probable impact in terms of creating change towards improved ecological health and social justice. We reflect on the ways the ASA contributes to breaching these barriers. Early key learnings from ASA praxis leads us to suggest that the ASA has practical value for policy makers, practitioners and researchers seeking pathways for fair and sustainable river management, and more broadly in natural resource development.
River Research and A... arrow_drop_down Lancaster University: Lancaster EprintsArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/rra.4178&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routeshybrid 3 citations 3 popularity Average influence Average impulse Average Powered by BIP!
more_vert River Research and A... arrow_drop_down Lancaster University: Lancaster EprintsArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1002/rra.4178&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type 2023 United KingdomPublisher:Elsevier BV Prativa Poudel; Anish Ghimire; Guy Howard; Barbara Evans; Miller Alonso Camargo‐Valero; Freya Mills; Olivia Reddy; Subodh Sharma; Sarana Tuladhar; Abraham Geremew; Kenan Okurut; Baba Ngom; Manish Baidya; Sheila Dangol;pmid: 37809600
pmc: PMC10559576
Les systèmes d'assainissement sur site (OSS) sont une source d'émissions de gaz à effet de serre (GES). Bien que des efforts aient été déployés récemment pour mesurer et quantifier les émissions des fosses septiques en utilisant diverses méthodes sur le terrain, la grande majorité de la littérature publiée rapportant les émissions de GES des unités OSS (par exemple, les fosses et les citernes) est basée sur des preuves non empiriques. Cette revue systématique présente un aperçu et les limites des méthodes sur le terrain utilisées pour la quantification des émissions de GES provenant des logiciels libres. Les articles publiés en anglais ont été recherchés dans trois bases de données : Google Scholar, PubMed et Directory of Articles and Journals. Les articles évalués par des pairs qui ont rapporté des méthodes sur le terrain appliquées aux unités de confinement dans l'OSS ont été inclus dans cette étude. Seuls huit des 2085 articles répondaient aux critères d'inclusion avec des fosses septiques comme seule technologie signalée et ont donc été pris en compte pour l'examen. La plupart des études ont été menées dans des pays à revenu intermédiaire et élevé. Les mesures sur le terrain des GES sont effectuées à l'aide d'une chambre de flux (FC) et les méthodes FC les plus couramment utilisées sont (a) la FC statique simple modifiée, (b) la FC statique automatisée et (c) la FC flottante. Les données rapportées dans les études publiées ne fournissent pas suffisamment d'informations sur l'étalonnage et la validation des résultats des FC utilisées. Les conceptions FC complexes, les opérations laborieuses sur le terrain et la dépendance à l'égard d'équipements coûteux et spécialisés suggèrent que de telles méthodes peuvent ne pas convenir dans les pays à revenu faible et intermédiaire (PRFI), où les ressources et l'accès aux installations de laboratoire sont limités. En outre, la complexité de la typologie des fosses et des réservoirs dans les PRFI (c'est-à-dire des conceptions et des tailles non standardisées) peut constituer un défi pour l'utilisation de FC de dimensions fixes et de conditions opérationnelles définies. La variation des méthodes de quantification et des taux d'émission résultants entre les études indique que des lacunes prévalent dans l'utilisation des méthodes existantes. Par conséquent, il existe toujours un besoin pour une méthode FC simple basée sur le terrain, facilement adaptable avec un étalonnage et une validation adéquats qui peuvent aider à quantifier de manière fiable les émissions de différentes OSS dans tous les PRFI. Los sistemas de saneamiento in situ (OSS) son una fuente de emisiones de gases de efecto invernadero (GEI). Aunque recientemente se han realizado esfuerzos para medir y cuantificar las emisiones de los tanques sépticos utilizando diversos métodos basados en el campo, la gran mayoría de la literatura publicada que informa sobre las emisiones de GEI de las unidades OSS (por ejemplo, pozos y tanques) se basa en evidencia no empírica. Esta revisión sistemática presenta una visión general y las limitaciones de los métodos basados en el campo utilizados para la cuantificación de las emisiones de GEI del OSS. Los artículos publicados en inglés se buscaron en tres bases de datos: Google Scholar, PubMed y Directory of Articles and Journals. En este estudio se incluyeron artículos revisados por pares que informaron métodos basados en campo aplicados a unidades de contención en OSS. Solo ocho de los 2085 artículos cumplieron con los criterios de inclusión con tanques sépticos como la única tecnología informada y, por lo tanto, se consideraron para la revisión. La mayoría de los estudios se han realizado en países de ingresos medios y altos. Las mediciones de campo de los GEI se realizan utilizando una cámara de flujo (FC) y los métodos de FC más comúnmente utilizados son (a) la FC estática simple modificada, (b) la FC estática automatizada y (c) la FC flotante. Los datos informados en los estudios publicados no proporcionan información suficiente sobre la calibración y validación de los resultados de las CA utilizadas. Los complejos diseños de CF, las laboriosas operaciones de campo y la dependencia de equipos costosos y especializados sugieren que tales métodos pueden no ser adecuados en países de ingresos bajos y medios (PIBM), donde los recursos y el acceso a las instalaciones de laboratorio son limitados. Además, la complejidad de la tipología de pozos y tanques en los PIBM (es decir, diseños y tamaños no estandarizados) puede ser un desafío para el uso de CF con dimensiones fijas y condiciones operativas establecidas. La variación en los métodos de cuantificación y las tasas de emisión resultantes entre los estudios indica que prevalecen brechas en el uso de los métodos existentes. Por lo tanto, todavía existe la necesidad de un método de FC simple basado en el campo y fácilmente adaptable con una calibración y validación adecuadas que pueda ayudar a cuantificar de manera confiable las emisiones de diferentes OSS en cualquier LMIC. On-site sanitation systems (OSS) are a source of greenhouse gas (GHG) emissions. Although efforts have been made recently to measure and quantify emissions from septic tanks using various field-based methods, the vast majority of published literature reporting GHG emissions from OSS units (e.g., pits and tanks) is based on non-empirical evidence. This systematic review presents an overview and limitations of field-based methods used for the quantification of GHG emissions from OSS. Papers published in English were searched in three databases: Google Scholar, PubMed, and Directory of Articles and Journals. Peer-reviewed papers that reported field-based methods applied to containment units in OSS were included in this study. Only eight out of 2085 papers met the inclusion criteria with septic tanks as the sole technology reported and were thus, considered for the review. Most of the studies have been conducted in middle- and high-income countries. Field-based measurements of GHGs are conducted using a flux chamber (FC) and the most commonly used FC methods are (a) the modified simple static FC, (b) automated static FC, and (c) floating FC. Data reported in published studies do not provide sufficient information on the calibration and validation of the results from the FCs used. The complex FC designs, laborious fieldwork operations, and reliance on expensive, specialist equipment, suggest that such methods may not be suitable in Low and Middle-Income countries (LMICs), where resources and access to laboratory facilities are limited. Also, the complexity of pits and tank typology in LMICs (i.e., unstandardised designs and sizes) may be a challenge to the use of FCs with fixed dimensions and set operational conditions. The variation in the quantification methods and resulting emission rates among the studies indicates that gaps prevail in the use of existing methods. Therefore, there is still a need for a simple field-based, easily adaptable FC method with adequate calibration and validation that can help in reliably quantifying the emissions from different OSS in any LMICs. تعد أنظمة الصرف الصحي في الموقع مصدرًا لانبعاثات غازات الدفيئة. على الرغم من الجهود التي بذلت مؤخرًا لقياس الانبعاثات من خزانات الصرف الصحي وقياسها باستخدام طرق ميدانية مختلفة، فإن الغالبية العظمى من المؤلفات المنشورة التي تبلغ عن انبعاثات غازات الدفيئة من وحدات برمجيات المصدر المفتوح (على سبيل المثال، الحفر والخزانات) تستند إلى أدلة غير تجريبية. يقدم هذا الاستعراض المنهجي لمحة عامة عن الأساليب الميدانية المستخدمة في القياس الكمي لانبعاثات غازات الدفيئة من برمجيات المصدر المفتوح والقيود المفروضة عليها. تم البحث عن الأوراق المنشورة باللغة الإنجليزية في ثلاث قواعد بيانات: الباحث العلمي من Google، و PubMed، ودليل المقالات والمجلات. تم تضمين الأوراق التي استعرضها الأقران والتي أبلغت عن الأساليب الميدانية المطبقة على وحدات الاحتواء في برمجيات المصدر المفتوح في هذه الدراسة. ثمانية فقط من أصل 2085 ورقة استوفت معايير الإدراج مع خزانات الصرف الصحي باعتبارها التكنولوجيا الوحيدة المبلغ عنها، وبالتالي تم النظر فيها للمراجعة. وقد أجريت معظم الدراسات في البلدان المتوسطة والمرتفعة الدخل. يتم إجراء القياسات الميدانية لغازات الدفيئة باستخدام غرفة التدفق (FC) وطرق FC الأكثر استخدامًا هي (أ) FC الثابت البسيط المعدل، (ب) FC الثابت الآلي، و (ج) FC العائم. لا توفر البيانات الواردة في الدراسات المنشورة معلومات كافية عن معايرة نتائج مراكز التمويل المستخدمة والتحقق من صحتها. تشير تصميمات مراكز التمويل المعقدة وعمليات العمل الميداني الشاقة والاعتماد على المعدات المتخصصة باهظة الثمن إلى أن هذه الأساليب قد لا تكون مناسبة في البلدان منخفضة ومتوسطة الدخل، حيث تكون الموارد والوصول إلى مرافق المختبرات محدودة. كما أن تعقيد تصنيف الحفر والخزانات في البلدان المنخفضة والمتوسطة الدخل (أي التصاميم والأحجام غير الموحدة) قد يشكل تحديًا لاستخدام وحدات التدفق ذات الأبعاد الثابتة والظروف التشغيلية المحددة. يشير التباين في طرق القياس الكمي ومعدلات الانبعاثات الناتجة بين الدراسات إلى أن الفجوات تسود في استخدام الأساليب الحالية. لذلك، لا تزال هناك حاجة إلى طريقة بسيطة مبنية على أساس ميداني وقابلة للتكيف بسهولة مع المعايرة والتحقق الكافيين اللذين يمكن أن يساعدا في تحديد كمية الانبعاثات من برمجيات المصدر المفتوح المختلفة بشكل موثوق في أي من البلدان المنخفضة والمتوسطة الدخل.
Heliyon arrow_drop_down University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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.euAccess RoutesGreen gold 5 citations 5 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type 2023 United KingdomPublisher:Elsevier BV Prativa Poudel; Anish Ghimire; Guy Howard; Barbara Evans; Miller Alonso Camargo‐Valero; Freya Mills; Olivia Reddy; Subodh Sharma; Sarana Tuladhar; Abraham Geremew; Kenan Okurut; Baba Ngom; Manish Baidya; Sheila Dangol;pmid: 37809600
pmc: PMC10559576
Les systèmes d'assainissement sur site (OSS) sont une source d'émissions de gaz à effet de serre (GES). Bien que des efforts aient été déployés récemment pour mesurer et quantifier les émissions des fosses septiques en utilisant diverses méthodes sur le terrain, la grande majorité de la littérature publiée rapportant les émissions de GES des unités OSS (par exemple, les fosses et les citernes) est basée sur des preuves non empiriques. Cette revue systématique présente un aperçu et les limites des méthodes sur le terrain utilisées pour la quantification des émissions de GES provenant des logiciels libres. Les articles publiés en anglais ont été recherchés dans trois bases de données : Google Scholar, PubMed et Directory of Articles and Journals. Les articles évalués par des pairs qui ont rapporté des méthodes sur le terrain appliquées aux unités de confinement dans l'OSS ont été inclus dans cette étude. Seuls huit des 2085 articles répondaient aux critères d'inclusion avec des fosses septiques comme seule technologie signalée et ont donc été pris en compte pour l'examen. La plupart des études ont été menées dans des pays à revenu intermédiaire et élevé. Les mesures sur le terrain des GES sont effectuées à l'aide d'une chambre de flux (FC) et les méthodes FC les plus couramment utilisées sont (a) la FC statique simple modifiée, (b) la FC statique automatisée et (c) la FC flottante. Les données rapportées dans les études publiées ne fournissent pas suffisamment d'informations sur l'étalonnage et la validation des résultats des FC utilisées. Les conceptions FC complexes, les opérations laborieuses sur le terrain et la dépendance à l'égard d'équipements coûteux et spécialisés suggèrent que de telles méthodes peuvent ne pas convenir dans les pays à revenu faible et intermédiaire (PRFI), où les ressources et l'accès aux installations de laboratoire sont limités. En outre, la complexité de la typologie des fosses et des réservoirs dans les PRFI (c'est-à-dire des conceptions et des tailles non standardisées) peut constituer un défi pour l'utilisation de FC de dimensions fixes et de conditions opérationnelles définies. La variation des méthodes de quantification et des taux d'émission résultants entre les études indique que des lacunes prévalent dans l'utilisation des méthodes existantes. Par conséquent, il existe toujours un besoin pour une méthode FC simple basée sur le terrain, facilement adaptable avec un étalonnage et une validation adéquats qui peuvent aider à quantifier de manière fiable les émissions de différentes OSS dans tous les PRFI. Los sistemas de saneamiento in situ (OSS) son una fuente de emisiones de gases de efecto invernadero (GEI). Aunque recientemente se han realizado esfuerzos para medir y cuantificar las emisiones de los tanques sépticos utilizando diversos métodos basados en el campo, la gran mayoría de la literatura publicada que informa sobre las emisiones de GEI de las unidades OSS (por ejemplo, pozos y tanques) se basa en evidencia no empírica. Esta revisión sistemática presenta una visión general y las limitaciones de los métodos basados en el campo utilizados para la cuantificación de las emisiones de GEI del OSS. Los artículos publicados en inglés se buscaron en tres bases de datos: Google Scholar, PubMed y Directory of Articles and Journals. En este estudio se incluyeron artículos revisados por pares que informaron métodos basados en campo aplicados a unidades de contención en OSS. Solo ocho de los 2085 artículos cumplieron con los criterios de inclusión con tanques sépticos como la única tecnología informada y, por lo tanto, se consideraron para la revisión. La mayoría de los estudios se han realizado en países de ingresos medios y altos. Las mediciones de campo de los GEI se realizan utilizando una cámara de flujo (FC) y los métodos de FC más comúnmente utilizados son (a) la FC estática simple modificada, (b) la FC estática automatizada y (c) la FC flotante. Los datos informados en los estudios publicados no proporcionan información suficiente sobre la calibración y validación de los resultados de las CA utilizadas. Los complejos diseños de CF, las laboriosas operaciones de campo y la dependencia de equipos costosos y especializados sugieren que tales métodos pueden no ser adecuados en países de ingresos bajos y medios (PIBM), donde los recursos y el acceso a las instalaciones de laboratorio son limitados. Además, la complejidad de la tipología de pozos y tanques en los PIBM (es decir, diseños y tamaños no estandarizados) puede ser un desafío para el uso de CF con dimensiones fijas y condiciones operativas establecidas. La variación en los métodos de cuantificación y las tasas de emisión resultantes entre los estudios indica que prevalecen brechas en el uso de los métodos existentes. Por lo tanto, todavía existe la necesidad de un método de FC simple basado en el campo y fácilmente adaptable con una calibración y validación adecuadas que pueda ayudar a cuantificar de manera confiable las emisiones de diferentes OSS en cualquier LMIC. On-site sanitation systems (OSS) are a source of greenhouse gas (GHG) emissions. Although efforts have been made recently to measure and quantify emissions from septic tanks using various field-based methods, the vast majority of published literature reporting GHG emissions from OSS units (e.g., pits and tanks) is based on non-empirical evidence. This systematic review presents an overview and limitations of field-based methods used for the quantification of GHG emissions from OSS. Papers published in English were searched in three databases: Google Scholar, PubMed, and Directory of Articles and Journals. Peer-reviewed papers that reported field-based methods applied to containment units in OSS were included in this study. Only eight out of 2085 papers met the inclusion criteria with septic tanks as the sole technology reported and were thus, considered for the review. Most of the studies have been conducted in middle- and high-income countries. Field-based measurements of GHGs are conducted using a flux chamber (FC) and the most commonly used FC methods are (a) the modified simple static FC, (b) automated static FC, and (c) floating FC. Data reported in published studies do not provide sufficient information on the calibration and validation of the results from the FCs used. The complex FC designs, laborious fieldwork operations, and reliance on expensive, specialist equipment, suggest that such methods may not be suitable in Low and Middle-Income countries (LMICs), where resources and access to laboratory facilities are limited. Also, the complexity of pits and tank typology in LMICs (i.e., unstandardised designs and sizes) may be a challenge to the use of FCs with fixed dimensions and set operational conditions. The variation in the quantification methods and resulting emission rates among the studies indicates that gaps prevail in the use of existing methods. Therefore, there is still a need for a simple field-based, easily adaptable FC method with adequate calibration and validation that can help in reliably quantifying the emissions from different OSS in any LMICs. تعد أنظمة الصرف الصحي في الموقع مصدرًا لانبعاثات غازات الدفيئة. على الرغم من الجهود التي بذلت مؤخرًا لقياس الانبعاثات من خزانات الصرف الصحي وقياسها باستخدام طرق ميدانية مختلفة، فإن الغالبية العظمى من المؤلفات المنشورة التي تبلغ عن انبعاثات غازات الدفيئة من وحدات برمجيات المصدر المفتوح (على سبيل المثال، الحفر والخزانات) تستند إلى أدلة غير تجريبية. يقدم هذا الاستعراض المنهجي لمحة عامة عن الأساليب الميدانية المستخدمة في القياس الكمي لانبعاثات غازات الدفيئة من برمجيات المصدر المفتوح والقيود المفروضة عليها. تم البحث عن الأوراق المنشورة باللغة الإنجليزية في ثلاث قواعد بيانات: الباحث العلمي من Google، و PubMed، ودليل المقالات والمجلات. تم تضمين الأوراق التي استعرضها الأقران والتي أبلغت عن الأساليب الميدانية المطبقة على وحدات الاحتواء في برمجيات المصدر المفتوح في هذه الدراسة. ثمانية فقط من أصل 2085 ورقة استوفت معايير الإدراج مع خزانات الصرف الصحي باعتبارها التكنولوجيا الوحيدة المبلغ عنها، وبالتالي تم النظر فيها للمراجعة. وقد أجريت معظم الدراسات في البلدان المتوسطة والمرتفعة الدخل. يتم إجراء القياسات الميدانية لغازات الدفيئة باستخدام غرفة التدفق (FC) وطرق FC الأكثر استخدامًا هي (أ) FC الثابت البسيط المعدل، (ب) FC الثابت الآلي، و (ج) FC العائم. لا توفر البيانات الواردة في الدراسات المنشورة معلومات كافية عن معايرة نتائج مراكز التمويل المستخدمة والتحقق من صحتها. تشير تصميمات مراكز التمويل المعقدة وعمليات العمل الميداني الشاقة والاعتماد على المعدات المتخصصة باهظة الثمن إلى أن هذه الأساليب قد لا تكون مناسبة في البلدان منخفضة ومتوسطة الدخل، حيث تكون الموارد والوصول إلى مرافق المختبرات محدودة. كما أن تعقيد تصنيف الحفر والخزانات في البلدان المنخفضة والمتوسطة الدخل (أي التصاميم والأحجام غير الموحدة) قد يشكل تحديًا لاستخدام وحدات التدفق ذات الأبعاد الثابتة والظروف التشغيلية المحددة. يشير التباين في طرق القياس الكمي ومعدلات الانبعاثات الناتجة بين الدراسات إلى أن الفجوات تسود في استخدام الأساليب الحالية. لذلك، لا تزال هناك حاجة إلى طريقة بسيطة مبنية على أساس ميداني وقابلة للتكيف بسهولة مع المعايرة والتحقق الكافيين اللذين يمكن أن يساعدا في تحديد كمية الانبعاثات من برمجيات المصدر المفتوح المختلفة بشكل موثوق في أي من البلدان المنخفضة والمتوسطة الدخل.
Heliyon arrow_drop_down University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.heliyon.2023.e19947&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 5 citations 5 popularity Top 10% influence Average impulse Top 10% Powered by BIP!
more_vert Heliyon arrow_drop_down University of Bristol: Bristol ResearchArticle . 2023Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1016/j.heliyon.2023.e19947&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2019 FrancePublisher:Springer Science and Business Media LLC Funded by:SSHRCSSHRCBerman, Matthew; Baztan, Juan; Kofinas, Gary; Vanderlinden, Jean-Paul; Chouinard, Omer; Huctin, Jean-Michel; Kane, Alioune; Mazé, Camille; Nikulkina, Inga; Thomson, Kaleekal;Climate change is causing wide-ranging effects on ecosystem services critical to coastal communities and livelihoods, creating an urgent need to adapt. Most studies of climate change adaptation consist of narrative descriptions of individual cases or global synthesis, making it difficult to formulate and test locally rooted but generalizable hypotheses about adaptation processes. In contrast, researchers in this study analyzed key points in climate change adaptation derived from coordinated fieldwork in seven coastal communities around the world, including Arctic, temperate, and tropical areas on four continents. Study communities faced multiple challenges from sea level rise and warmer ocean temperatures, including coastal erosion, increasing salinity, and ecological changes. We analyzed how the communities adapted to climate effects and other co-occurring forces for change, focusing on most important changes to local livelihoods and societies, and barriers to and enablers of adaptation. Although many factors contributed to adaptation, communities with strong self-organized local institutions appeared better able to adapt without substantial loss of well-being than communities where these institutions were weak or absent. Key features of these institutions included setting and enforcing rules locally and communication across scales. Self-governing local institutions have been associated with sustainable management of natural resources. In our study communities, analogous institutions played a similar role to moderate adverse effects from climate-driven environmental change. The findings suggest that policies to strengthen, recognize, and accommodate local institutions could improve adaptation outcomes.
Climatic Change arrow_drop_down Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Bretagne Occidentale: HALArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s10584-019-02571-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 37 citations 37 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Climatic Change arrow_drop_down Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Bretagne Occidentale: HALArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s10584-019-02571-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Journal 2019 FrancePublisher:Springer Science and Business Media LLC Funded by:SSHRCSSHRCBerman, Matthew; Baztan, Juan; Kofinas, Gary; Vanderlinden, Jean-Paul; Chouinard, Omer; Huctin, Jean-Michel; Kane, Alioune; Mazé, Camille; Nikulkina, Inga; Thomson, Kaleekal;Climate change is causing wide-ranging effects on ecosystem services critical to coastal communities and livelihoods, creating an urgent need to adapt. Most studies of climate change adaptation consist of narrative descriptions of individual cases or global synthesis, making it difficult to formulate and test locally rooted but generalizable hypotheses about adaptation processes. In contrast, researchers in this study analyzed key points in climate change adaptation derived from coordinated fieldwork in seven coastal communities around the world, including Arctic, temperate, and tropical areas on four continents. Study communities faced multiple challenges from sea level rise and warmer ocean temperatures, including coastal erosion, increasing salinity, and ecological changes. We analyzed how the communities adapted to climate effects and other co-occurring forces for change, focusing on most important changes to local livelihoods and societies, and barriers to and enablers of adaptation. Although many factors contributed to adaptation, communities with strong self-organized local institutions appeared better able to adapt without substantial loss of well-being than communities where these institutions were weak or absent. Key features of these institutions included setting and enforcing rules locally and communication across scales. Self-governing local institutions have been associated with sustainable management of natural resources. In our study communities, analogous institutions played a similar role to moderate adverse effects from climate-driven environmental change. The findings suggest that policies to strengthen, recognize, and accommodate local institutions could improve adaptation outcomes.
Climatic Change arrow_drop_down Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Bretagne Occidentale: HALArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s10584-019-02571-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 37 citations 37 popularity Top 10% influence Top 10% impulse Top 10% Powered by BIP!
more_vert Climatic Change arrow_drop_down Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Université de Bretagne Occidentale: HALArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2020Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1007/s10584-019-02571-x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2021Publisher:TIB Open Publishing Authors: Essodossomondom Anate; N'detigma Kata; Hodo-Abalo Samah; Amadou Seidou Maïga;Perovskite is certainly the material of the future of photovoltaics for terrestrial applications. With high efficiencies and advances in stability, perovskite solar cells, modules and mini-modules have already made their appearance in the laboratory and are being tested under real-world conditions to evaluate their real performance. In our study, we predict the performance of perovskite-based photovoltaic panel technology under the conditions of the Sub-Saharan African region by simulation. We started from the current-voltage characteristic of a real perovskite-based module to extract the cell parameters through MATLAB analysis software. These parameters were used to model a cell and then a module in the LTSpice XVII software for simulation. The impact of temperature is studied to evaluate the performance ratio (PR) of a clear day. This study allowed us to evaluate the PR of the perovskite solar module. Displaying PR reaching 90%, perovskite is a future candidate with high potential in the list of the most suitable technologies for our sub-region.
TH Wildau Engineerin... arrow_drop_down TH Wildau Engineering and Natural Sciences ProceedingsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefTH Wildau Engineering and Natural Sciences ProceedingsArticleLicense: CC BYData sources: UnpayWalladd 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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.52825/thwildauensp.v1i.3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert TH Wildau Engineerin... arrow_drop_down TH Wildau Engineering and Natural Sciences ProceedingsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefTH Wildau Engineering and Natural Sciences ProceedingsArticleLicense: CC BYData sources: UnpayWalladd 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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.52825/thwildauensp.v1i.3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2021Publisher:TIB Open Publishing Authors: Essodossomondom Anate; N'detigma Kata; Hodo-Abalo Samah; Amadou Seidou Maïga;Perovskite is certainly the material of the future of photovoltaics for terrestrial applications. With high efficiencies and advances in stability, perovskite solar cells, modules and mini-modules have already made their appearance in the laboratory and are being tested under real-world conditions to evaluate their real performance. In our study, we predict the performance of perovskite-based photovoltaic panel technology under the conditions of the Sub-Saharan African region by simulation. We started from the current-voltage characteristic of a real perovskite-based module to extract the cell parameters through MATLAB analysis software. These parameters were used to model a cell and then a module in the LTSpice XVII software for simulation. The impact of temperature is studied to evaluate the performance ratio (PR) of a clear day. This study allowed us to evaluate the PR of the perovskite solar module. Displaying PR reaching 90%, perovskite is a future candidate with high potential in the list of the most suitable technologies for our sub-region.
TH Wildau Engineerin... arrow_drop_down TH Wildau Engineering and Natural Sciences ProceedingsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefTH Wildau Engineering and Natural Sciences ProceedingsArticleLicense: CC BYData sources: UnpayWalladd 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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.52825/thwildauensp.v1i.3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 1 citations 1 popularity Average influence Average impulse Average Powered by BIP!
more_vert TH Wildau Engineerin... arrow_drop_down TH Wildau Engineering and Natural Sciences ProceedingsArticle . 2021 . Peer-reviewedLicense: CC BYData sources: CrossrefTH Wildau Engineering and Natural Sciences ProceedingsArticleLicense: CC BYData sources: UnpayWalladd 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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.52825/thwildauensp.v1i.3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2022 FrancePublisher:Frontiers Media SA Authors: Grazia Pacillo; Daniel Kangogo; Ignacio Madurga-Lopez; Víctor Manuel Zamora Villa; +2 AuthorsGrazia Pacillo; Daniel Kangogo; Ignacio Madurga-Lopez; Víctor Manuel Zamora Villa; Anna Maria Belli; Peter Läderach;handle: 10568/127749
Climate continues to pose significant challenges to human existence. Notably, in the past decade, the focus on the role of climate on conflict and social unrest has gained traction in academic, development, and policy communities. This article examines the link between climate variability and conflict in Mali. It advances the argument that climate is a threat multiplier, in other words, climate indirectly affects conflict occurrence through numerous pathways. We take the view that maize production and household food security status sequentially mediate the relationship between climate variability and the different conflict types. First, we provide a brief review of the climate conflict pathways in Mali. Second, we employ the path analysis within the structural equation modeling technique to test the hypothesized pathways and answer the research questions. We use the Living Standards Measurement Study-Integrated Surveys on Agriculture (LSMS-ISA), a nationally representative data from Mali merged with time and location-specific climate and the Armed Conflict Location and Event Data (ACLED) data. Results show that an increase in positive temperature anomalies when sequentially mediated by maize production and household food security status, increase the occurrence of the different conflict types. The results are robust to the use of negative precipitation anomalies (tendency toward less precipitation compared to the historical norm). Our findings highlight two key messages, first, the crucial role of climate change adaptation and mitigation strategies and interventions on influencing household food security status and thus reducing conflict occurrence. Second, that efforts to build peace and security should account for the role of climate in exacerbating the root causes of conflict.
CGIAR CGSpace (Consu... arrow_drop_down CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2023License: CC BYFull-Text: https://hdl.handle.net/10568/116459Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3389/fclim.2022.849757&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 6 citations 6 popularity Average influence Average impulse Top 10% Powered by BIP!
more_vert CGIAR CGSpace (Consu... arrow_drop_down CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2023License: CC BYFull-Text: https://hdl.handle.net/10568/116459Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3389/fclim.2022.849757&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type 2022 FrancePublisher:Frontiers Media SA Authors: Grazia Pacillo; Daniel Kangogo; Ignacio Madurga-Lopez; Víctor Manuel Zamora Villa; +2 AuthorsGrazia Pacillo; Daniel Kangogo; Ignacio Madurga-Lopez; Víctor Manuel Zamora Villa; Anna Maria Belli; Peter Läderach;handle: 10568/127749
Climate continues to pose significant challenges to human existence. Notably, in the past decade, the focus on the role of climate on conflict and social unrest has gained traction in academic, development, and policy communities. This article examines the link between climate variability and conflict in Mali. It advances the argument that climate is a threat multiplier, in other words, climate indirectly affects conflict occurrence through numerous pathways. We take the view that maize production and household food security status sequentially mediate the relationship between climate variability and the different conflict types. First, we provide a brief review of the climate conflict pathways in Mali. Second, we employ the path analysis within the structural equation modeling technique to test the hypothesized pathways and answer the research questions. We use the Living Standards Measurement Study-Integrated Surveys on Agriculture (LSMS-ISA), a nationally representative data from Mali merged with time and location-specific climate and the Armed Conflict Location and Event Data (ACLED) data. Results show that an increase in positive temperature anomalies when sequentially mediated by maize production and household food security status, increase the occurrence of the different conflict types. The results are robust to the use of negative precipitation anomalies (tendency toward less precipitation compared to the historical norm). Our findings highlight two key messages, first, the crucial role of climate change adaptation and mitigation strategies and interventions on influencing household food security status and thus reducing conflict occurrence. Second, that efforts to build peace and security should account for the role of climate in exacerbating the root causes of conflict.
CGIAR CGSpace (Consu... arrow_drop_down CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2023License: CC BYFull-Text: https://hdl.handle.net/10568/116459Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3389/fclim.2022.849757&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 6 citations 6 popularity Average influence Average impulse Top 10% Powered by BIP!
more_vert CGIAR CGSpace (Consu... arrow_drop_down CGIAR CGSpace (Consultative Group on International Agricultural Research)Article . 2023License: CC BYFull-Text: https://hdl.handle.net/10568/116459Data sources: Bielefeld Academic Search Engine (BASE)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://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.3389/fclim.2022.849757&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu