Articles | Volume 25, issue 1
Hydrol. Earth Syst. Sci., 25, 473–495, 2021
https://doi.org/10.5194/hess-25-473-2021
Hydrol. Earth Syst. Sci., 25, 473–495, 2021
https://doi.org/10.5194/hess-25-473-2021

Research article 29 Jan 2021

Research article | 29 Jan 2021

Validation of SMAP L2 passive-only soil moisture products using upscaled in situ measurements collected in Twente, the Netherlands

Rogier van der Velde et al.

Data sets

Validation of SMAP L2 passive-only soil moisture products using in situ measurements collected in Twente, The Netherlands Rogier van der Velde, Andreas Colliander, Michiel Pezij, Harm-Jan F. Benninga, Rajat Bindlish, Steven K. Chan, and Dimmie M. D. Hendriks https://doi.org/10.17026/dans-x3c-5cvq

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Short summary
NASA’s SMAP satellite provides estimates of the amount of water in the soil. With measurements from a network of 20 monitoring stations, the accuracy of these estimates has been studied for a 4-year period. We found an agreement between satellite and in situ estimates in line with the mission requirements once the large mismatches associated with rapidly changing water contents, e.g. soil freezing and rainfall, are excluded.