A remote sensing data fusion method for continuous daily evapotranspiration mapping at kilometric scale in Sahelian areas

Aubin Allies,Albert Olioso,Bernard Cappelaere,Gilles Boulet,Jordi Etchanchu,Hélène Barral,Ibrahim Bouzou Moussa,Jean-Philippe Chazarin,Emilie Delogu,Hassane Bil-Assanou Issoufou,Ibrahim Mainassara,Monique Oï,Jérôme Demarty

Journal of Hydrology（2022）

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摘要

•Accurate gridded evapotranspiration estimates are lacking in the Sahel.•New fusion approach for gridded 1-km continuous daily evapotranspiration estimates.•Evaluation against field observations and LSM simulations over 4 years.•The fusion method strongly enhanced evapotranspiration estimates during cloudy days.•The fusion approach outperformed classical interpolation methods.

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关键词

Evapotranspiration,Data fusion,E3S,GLEAM,MODIS,Sahel

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