Articles | Volume 26, issue 8
Hydrol. Earth Syst. Sci., 26, 2221–2243, 2022
https://doi.org/10.5194/hess-26-2221-2022

Special issue: Microwave remote sensing for improved understanding of vegetation–water...

Hydrol. Earth Syst. Sci., 26, 2221–2243, 2022
https://doi.org/10.5194/hess-26-2221-2022
Research article
29 Apr 2022
Research article | 29 Apr 2022

Soil moisture estimation in South Asia via assimilation of SMAP retrievals

Jawairia A. Ahmad et al.

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Short summary
Assimilation of remotely sensed data into a land surface model to improve the spatiotemporal estimation of soil moisture across South Asia exhibits potential. Satellite retrieval assimilation corrects biases that are generated due to an unmodeled hydrologic phenomenon, i.e., irrigation. The improvements in fine-scale, modeled soil moisture estimates by assimilating coarse-scale retrievals indicates the utility of the described methodology for data-scarce regions.