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Wet and dry spells in Senegal: comparison of detection based on satellite products, reanalysis, and in situ estimates
Natural Hazards and Earth System Sciences
Abstract. In this study, the detection and characteristics of dry/wet spells (defined as episodes when precipitation is abnormally low or high compared to usual climatology) drawn from several datasets are compared for Senegal. Here, four datasets are based on satellite data (TRMM-3B42 V7, CMORPH V1.0, TAMSAT V3, and CHIRPS V2. 0), two on reanalysis products (NCEP-CFSR and ERA5), and three on rain gauge observations (CPC Unified V1.0/RT and a 65-rain-gauge network regridded by using two krigingdoi:10.5194/nhess-21-1051-2021 fatcat:fiud4nxhdfhfxpkwvy3czjdo7u