Improved SMAP Dual-Channel Algorithm for the Retrieval of Soil Moisture
IEEE Transactions on Geoscience and Remote Sensing（2020）
摘要
The soil moisture active passive (SMAP) mission was designed to acquire L-band radiometer measurements for the estimation of soil moisture (SM) with an average ubRMSD of not more than 0.04 m3/m3 volumetric accuracy in the top 5 cm for vegetation with a water content of less than 5 kg/m2. Single-channel algorithm (SCA) and dual-channel algorithm (DCA) are implemented for the processing of SMAP radi...
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关键词
Vegetation,Soil,Mathematical model,Brightness,L-band,Scattering,Rough surfaces
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