Journal
REMOTE SENSING OF ENVIRONMENT
Volume 244, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.rse.2020.111806
Keywords
Remote sensing; Soil moisture; Validation; Error characterization; Error estimation; Good practice; Standardisation
Funding
- International Space Science Institute (ISSI)
- eartH2Observe project (European Union's Seventh Framework Programme) [603608]
- KU Leuven C1 internal fund [C14/16/045]
- Research Foundation Flanders [FWO-1224320N, FWO-1530019N]
- European Space Agency's Climate Change Initiative for Soil Moisture [4000126684/19/I-NB]
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This paper presents a community effort to develop good practice guidelines for the validation of global coarse-scale satellite soil moisture products. We provide theoretical background, a review of state-of-the-art methodologies for estimating errors in soil moisture data sets, practical recommendations on data pre-processing and presentation of statistical results, and a recommended validation protocol that is supplemented with an example validation exercise focused on microwave-based surface soil moisture products. We conclude by identifying research gaps that should be addressed in the near future.
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