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Continental-Scale Evaluation of Remotely Sensed Soil Moisture Products

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2 Author(s)
Crow, W.T. ; U.S. Dept. of Agric., Remote Sensing Lab., Beltsville, MD ; Xiwu Zhan

A new data assimilation-based approach for the continental-scale evaluation of remotely sensed surface soil moisture retrievals is applied to four separate soil moisture products over the contiguous U.S. The approach is based on quantifying the ability of a given soil moisture product to correct for known rainfall errors when sequentially assimilated into a simple water balance model. Analysis results provide new insight into the continental-scale performance of surface soil moisture retrieval algorithms based on satellite passive microwave, scatterometer, and thermal remote sensing observations.

Published in:

Geoscience and Remote Sensing Letters, IEEE  (Volume:4 ,  Issue: 3 )