Articles | Volume 383
Proc. IAHS, 383, 171–183, 2020
https://doi.org/10.5194/piahs-383-171-2020
Proc. IAHS, 383, 171–183, 2020
https://doi.org/10.5194/piahs-383-171-2020

Post-conference publication 16 Sep 2020

Post-conference publication | 16 Sep 2020

Hydropluviometric variability in non-Sahelian West Africa: case of the Koliba/Corubal River Basin (Guinea and Guinea-Bissau)

Saly Sambou et al.

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Cited articles

Ali, A. Lebel, T., and Amani, A.: Signification et usage de l'indice pluviométrique au Sahel, Sécheresse, 19, 227–235, 2008. 
Ardoin, S. Dezetter, A. Servat, E., and Bocquillon, C.: Redéfinition des fonctions de production des modèles globaux de relation pluie-débit en milieu semi-aride africain. Regional Hydrology: Bridging the Gap between Research and Practice, IAHS Publ. no. 274, in: Proceedings of the Fourth International FRIEND Conference held at Cape Town, South Africa, 197–203, 2002. 
Ardoin-Bardin, S.: Variabilité hydro-climatique et impacts sur les ressources en eau de grands bassins hydrographiques en zone soudano-sahélien, Thèse de doctorat, Université de Montpellier II, Montpellier, p. 440, 2004. 
Bell, V. A., Gedney, N., Kay, A. L., Smith, R. N. B., Jones, R. G., and Moore, R. J.: Estimating Potential Evaporation from Vegetated Surfaces for Water Management Impact Assessments Using Climate Model Output, J. Hydrometeorol., 12, 1127–1136, 2011. 
Bodian, A.: Approche par modélisation pluie-débit de la connaissance régionale de la ressource en eau: Application au haut bassin du fleuve Sénégal, Thèse de doctorat, Université Cheikh Anta Diop de Dakar, Dakar, p. 288, 2011. 
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Short summary
The rainfall timeseries of the Koliba/Corubal River watershed were homogenized and the gaps filled. The rainfall variability is similar to that observed in West Africa, with a recovery towards the end of the 1980s and early 2000s. The mean monthly rainfall, the Potential Evapotranspiration, and the flow rates were used to calibrate and validate the model. The values of the Nash criteria close to 100 have made it possible to extend the monthly flow data from Koliba/Corubal until 2015.