Articles | Volume 384
https://doi.org/10.5194/piahs-384-255-2021
https://doi.org/10.5194/piahs-384-255-2021
Pre-conference publication
 | 
16 Nov 2021
Pre-conference publication |  | 16 Nov 2021

Impact of climate change on water availability in the Oueme catchment at the outlet of the Save's bridge (Benin, West Africa)

Amedée Chabi, Esdras Babadjidé Josué Zandagba, Ezekiel Obada, Eliezer Iboukoun Biao, Eric Adéchina Alamou, and Abel Afouda

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Cited articles

Afouda, A. and Alamou, E.: Hydrologique basé sur le principe de moindre action (MODHYPMA), Ann. Sci. Agron. Bénin, 13, 23–45, 2010. 
Afouda, A., Ould Baba Sy, M., Gaye, A. T., Cabral, A., Nazoumou, Y., Compaore, A. J., and Sanoussi, R.: Impact of Climate Change and Variability on Water Resources in West African Watersheds, What Are the Prospects?, Synthesis Report-Writeshop: Dakar, Senegal, 2007. 
Akognongbe, A.: Contribution à l'étude de la caractérisation hydropluviométrique avec le modèle GR4J sur le bassin de l'Ouémé à Savè et Atchérigbé, Mémoire de maîtrise en géographie, UAC., 79 pp., 2007. 
Bergström, S. and Forsman, A.: Development of a conceptual deterministic rainfall runoff model, Nordic Hydrology, 14, 147–170, 1973. 
Boughton, W. C.: A hydrograph-based model for estimating the water yield of ungauged catchments, in: Proceedings of the 1993 Hydrology and Water Resources Conference, Institution of Engineers, Australia, National Conference Publication no., 93/14, 317–324, 1993. 
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Short summary
The objective of this study is to assess the impact of climate change on water availability in Oueme catchment at Savè. Precipitation provided by 3 regional climate models was analyzed. Bias in these data was corrected using the Empirical Quantile Mapping method before being used as input to hydrological models: AWBM, ModHyPMA, HBV, GR4J, SimHyd, Hymod. The simulation with the HIRHAM5 data as inputs of models showed flows that vary at the horizons 2025, 2055, 2085 under scenarios RCP(4.5_8.5).