L' evolution des idees sur la variabilite interannuelle recente des precipitations en Afrique de l' Ouest.
1993
Janicot S. | Fontaine B.
English. This paper is a review of the last 25 years of research concerning the recent interannual variability of West Africa rainfall. The main paleo and present climatological topics of the region are first exposed, then it is described the different investigation ways which have appeared successively or at the same time, and it is focused on their interactions and their time evolutions. Finally it is presented an updated synthesis of knowledge and gaps in order to mention some useful research ways for the near future.
Show more [+] Less [-]French. Cet article fait le bilan des 25 dernieres annees de recherche concernant la variabilite interannuelle recente des precipitations en Afrique de l' Ouest. Apres avoir rappele les elements fondamentaux des paleo-climats et de la climatologie actuelle de cette region, on decrit les differentes voies d' investigation qui se sont presentees successivement ou prallelement, en insistant sur leurs interactions et leurs evolutions dans le temps. On presente enfin une synthese actualisee de connaissances et de lacunes tout en mentionnant les directions de recherche qu' il serait souhaitable de privilegier dans un avenir proche.
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