Proceedings of IAHS
Proceedings of IAHS
PIAHS
Articles | Volume 383
Articles | Volume 383
https://doi.org/10.5194/piahs-383-391-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-383-391-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 383
Post-conference publication
 | 
16 Sep 2020
Post-conference publication |  | 16 Sep 2020

Climatic variability in the Sine-Saloum basin and its impacts on water resources: case of the Sob and Diohine watersheds in the region of Niakhar

Waly Faye, Awa Niang Fall, Didier Orange, Frédéric Do, Olivier Roupsard, and Alioune Kane

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Asfaw, A., Simane, B., Hassen, A., and Bantider, A.: Variability and time series trend analysis of rainfall and temperature in northcentral Ethiopia: A case study in Woleka sub-basin, Weather and Climate Extremes, 19, 29–41, 2018. 
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Descroix, L., Mahé, G., Lebel, T., Favreau, G., Galle, S., Gautier, E., Olivry, J.-C., Albergel, J., Amogu, O., Cappelaere, B., Dessouassi, R., Diedhiou, A., Le Breton, E., Mamadou, I., and Sighomnou, D.: Spatio-temporal variability of hydrological regimes around the boundaries between Sahelian and Sudanian areas of West Africa: A synthesis, J. Hydrol., 375, 90–102, 2009. 
DGPRE: Plan d'action de gestion intégrée des ressources en eau (PAGIRE) projet de mise en œuvre du PAGIRE dans le bassin arachidier (PAGIRE-BA) étude d'évaluation et de suivi des ressources en eau de surface, R3-rapport sur la modélisation des ressources en eau et les normes de conception des ouvrages, Ministère Ressources en Eau, Dakar, Sénégal, 2014.  
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People from the Senegalese Peanut Basin deal with a dramatic increase of water scarcity due both to a rain deficit and a surface water salinization. We carried out the analysis of daily rain from 1950 to 2015 and water salinity of 78 wells on 300 km2. We confirm a climatic break in 1970 leaded a long dry period until 2009, with a decreased of the rainy day number per year, probably driving a large extension of well salinization and salt soil crusting accelerated by a large tidal event in 1984.
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