The return of a wet period in the Sahel ? : observations and prospects Rural societies in the face of climatic and environmental changes in West Africa Vischel, T. /Lebel, Thierry Panthou, G. /Quantin, Guillaume Rossi, A. Martinet, M. PLUVIOMETRIE EVOLUTION SAISON HUMIDE PRECIPITATION VARIATION TEMPORELLE VARIATION SPATIALE FREQUENCE CHANGEMENT CLIMATIQUE INTENSITE CONTROVERSE 1950 2007 IRD /Sultan, Benjamin (ed.) /Lalou, Richard (ed.) Amadou Sanni, M. (ed.) Oumarou, A. (ed.) Soumaré, M.A. (ed.) 2017 text https://www.documentation.ird.fr/hor/fdi:010074963 fdi:010074963 Vischel T., Lebel Thierry, Panthou G., Quantin Guillaume, Rossi A., Martinet M.. The return of a wet period in the Sahel ? : observations and prospects. In : Sultan Benjamin (ed.), Lalou Richard (ed.), Amadou Sanni M. (ed.), Oumarou A. (ed.), Soumaré M.A. (ed.), . Rural societies in the face of climatic and environmental changes in West Africa IRD, ). 2017, 43-60 EN AFRIQUE DE L'OUEST SAHEL ZONE SAHELIENNE