The spatiotemporal climate variability over Senegal and its relationship to global climate

摘要

Climate variability over Senegal (West Africa) and its relationship to global climate are examined for the period 1979-1998. Monthly observed rainfall for 20 stations and monthly CPC merged analysis precipitation (CMAP) over Senegal were averaged for the months of June, July, August, and September in order to generate seasonal rainfall totals for the wet season, as well as climate indices averaged over the study period. The spatial distribution patterns are mapped and analyzed using ArcGIS Spatial Analyst. Rainfall distribution over Senegal is dominated by a N-S gradient.