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Figure 2


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Evolution interannuelle de l’indice pluviométrique standardisé à Barsalogho (a), Tougouri (b), Boulsa (c) et Kongoussi (d) durant la période 1961-2015. Interannual evolution of standardized precipitation index in Barsalogho (a), Tougouri (b), Boulsa (c) and Kongoussi (d) during the period 1961-2015.

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