Articles | Volume 27, issue 6
https://doi.org/10.5194/hess-27-1221-2023
https://doi.org/10.5194/hess-27-1221-2023
Research article
 | 
21 Mar 2023
Research article |  | 21 Mar 2023

Soil moisture estimates at 1 km resolution making a synergistic use of Sentinel data

Remi Madelon, Nemesio J. Rodríguez-Fernández, Hassan Bazzi, Nicolas Baghdadi, Clement Albergel, Wouter Dorigo, and Mehrez Zribi

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Latest update: 21 Jun 2024
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Short summary
We present an approach to estimate soil moisture (SM) at 1 km resolution using Sentinel-1 and Sentinel-3 satellites. The estimates were compared to other high-resolution (HR) datasets over Europe, northern Africa, Australia, and North America, showing good agreement. However, the discrepancies between the different HR datasets and their lower performances compared with in situ measurements and coarse-resolution datasets show the remaining challenges for large-scale HR SM mapping.