Impact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa)
<p>One of the major threats to water resources today remains climate change. The objective of this study is to assess the impact of climate change on water availability in Oueme catchment at Savè. Precipitation provided by three regional climate models (RCMs) was analyzed. Bias in these data w...
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Copernicus Publications
2021
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oai:doaj.org-article:de9e223999564312b73e717c720604432021-11-16T07:15:09ZImpact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa)10.5194/piahs-384-255-20212199-89812199-899Xhttps://doaj.org/article/de9e223999564312b73e717c720604432021-11-01T00:00:00Zhttps://piahs.copernicus.org/articles/384/255/2021/piahs-384-255-2021.pdfhttps://doaj.org/toc/2199-8981https://doaj.org/toc/2199-899X<p>One of the major threats to water resources today remains climate change. The objective of this study is to assess the impact of climate change on water availability in Oueme catchment at Savè. Precipitation provided by three regional climate models (RCMs) was analyzed. Bias in these data was first corrected using the Empirical Quantile Mapping (EQM) method be for etheir use as input to hydrological models. To achieve the objective, six hydrological models were used (AWBM, ModHyPMA, HBV, GR4J, SimHyd and Hymod). In projection, the results showed that the AWBM model appears to be the best. The multi-model approach further improves model performance, with the best obtained with combinations of the models AWBM-ModHyPMA-HBV. The AWBM model showed a fairly good capability for simulating flows in the basin with only HIRHAM5 climate model data as input. Therefore, the simulation with the HIRHAM5 data as inputs to the five (05) hydrological models, showed flows that vary at the horizons (2025, 2055 and 2085) under the scenarios (RCP4.5 and RCP8.5). Indeed, this variation is largely due to anthropogenic greenhouse gas (GHG) emissions.</p>A. ChabiA. ChabiE. B. J. ZandagbaE. B. J. ZandagbaE. ObadaE. ObadaE. I. BiaoE. I. BiaoE. A. AlamouE. A. AlamouA. AfoudaCopernicus PublicationsarticleEnvironmental sciencesGE1-350GeologyQE1-996.5ENProceedings of the International Association of Hydrological Sciences, Vol 384, Pp 255-260 (2021) |
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DOAJ |
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DOAJ |
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EN |
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Environmental sciences GE1-350 Geology QE1-996.5 |
| spellingShingle |
Environmental sciences GE1-350 Geology QE1-996.5 A. Chabi A. Chabi E. B. J. Zandagba E. B. J. Zandagba E. Obada E. Obada E. I. Biao E. I. Biao E. A. Alamou E. A. Alamou A. Afouda Impact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa) |
| description |
<p>One of the major threats to water resources today remains climate
change. The objective of this study is to assess the impact of climate
change on water availability in Oueme catchment at Savè. Precipitation
provided by three regional climate models (RCMs) was analyzed. Bias in these
data was first corrected using the Empirical Quantile Mapping (EQM) method
be for etheir use as input to hydrological models. To achieve the objective,
six hydrological models were used (AWBM, ModHyPMA, HBV, GR4J, SimHyd and
Hymod). In projection, the results showed that the AWBM model appears to be
the best. The multi-model approach further improves model performance, with
the best obtained with combinations of the models AWBM-ModHyPMA-HBV. The
AWBM model showed a fairly good capability for simulating flows in the basin
with only HIRHAM5 climate model data as input. Therefore, the simulation
with the HIRHAM5 data as inputs to the five (05) hydrological models, showed
flows that vary at the horizons (2025, 2055 and 2085) under the scenarios
(RCP4.5 and RCP8.5). Indeed, this variation is largely due to anthropogenic
greenhouse gas (GHG) emissions.</p> |
| format |
article |
| author |
A. Chabi A. Chabi E. B. J. Zandagba E. B. J. Zandagba E. Obada E. Obada E. I. Biao E. I. Biao E. A. Alamou E. A. Alamou A. Afouda |
| author_facet |
A. Chabi A. Chabi E. B. J. Zandagba E. B. J. Zandagba E. Obada E. Obada E. I. Biao E. I. Biao E. A. Alamou E. A. Alamou A. Afouda |
| author_sort |
A. Chabi |
| title |
Impact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa) |
| title_short |
Impact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa) |
| title_full |
Impact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa) |
| title_fullStr |
Impact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa) |
| title_full_unstemmed |
Impact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa) |
| title_sort |
impact of climate change on water availability in the oueme catchment at the outlet of the save's bridge (benin, west africa) |
| publisher |
Copernicus Publications |
| publishDate |
2021 |
| url |
https://doaj.org/article/de9e223999564312b73e717c72060443 |
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