Figure 3

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(a) 4 classes du cycle annuel moyen des pluies (CMORPH, 0.25°, 2002-2009) d’après une classification en nuées dynamiques appliquées aux moyennes quotidiennes des pluies, lissées par un filtre récursif éliminant les périodes plus courtes que 60 jours, et pré-filtrées par une analyse en composantes principales retenant 75% de la variance totale. Les panels (b-e) présentent la moyenne des pluies filtrées brutes (en mm/j) pour chacune des 4 classes. (a) 4 clusters of mean annual cycle of rainfall (CMORPH, 0.25°, 2002-2009) from a k-means clustering of daily mean rainfall, low-pass filtered using a recursive filter removing periods faster than 60 days, and pre-filtered by an empirical orthogonal function accounting for 75% of the total variance. Panels (b-e) display low-pass filtered mean rainfall (in mm/day) for each cluster.
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