Kenya Irrigation Performance Assessment

Data sources

DatasetSourceAvailabilitySpatial resolutionTemporal resolutionUnit
Actual evapotranspiration and interception (ETa)FAO WaPOR v3 (L1-AETI-M)–10 m (downscaled with Sentinel-2)Monthlymm
Transpiration (T)FAO WaPOR v3 (L1-T-D)–10 m (downscaled with Sentinel-2)Monthlymm
Evaporation (E)FAO WaPOR v3 (L1-E-D)–10 m (downscaled with Sentinel-2)Monthlymm
Total biomass production (TBP)FAO WaPOR v3 (L1-NPP-M × 22.222)–10 m (downscaled with Sentinel-2)Monthlykg/ha
Precipitation (P)CHIRPS v3–~5 kmMonthlymm
Land coverESA WorldCover202110 mSingle year-

Seasonal values are sums over the agricultural year (March – February): long rains Mar–Aug (rains Mar–May and their harvest), short rains Sep–Feb (rains Oct–Dec and their harvest). Cropland: ESA WorldCover classes 40 (cropland) and 90 (herbaceous wetland, rice paddies).

Downscaling from WaPOR to 10 m uses Sentinel-2 L2A with the regression and residual-correction approach of Onačillová et al. (2022).