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Evaluation of ERS Scatterometer soil moisture products over a half-degree region in Southwestern France

Abstract : This paper investigates the ERS Scatterometer soil moisture products precision over a half-degree region in Southwestern France. Based on a high resolution soil moisture simulation (1km²) validated at the local scale, the ERS-scat product is assessed at its own resolution (about 50x50 km²). The study points out the suitable quality of the surface soil moisture product (root mean square error equal to 0.06 m3.m-3 for a 4-year period) and assesses the retrieved root-zone soil moisture accuracy provided by a semi-empirical methodology exclusively based on surface soil moisture products.
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Thierry Pellarin, Jean-Christophe Calvet, Wolfgang Wagner. Evaluation of ERS Scatterometer soil moisture products over a half-degree region in Southwestern France. Geophysical Research Letters, American Geophysical Union, 2006, pp.L17401. ⟨10.1029/2006GL027231⟩. ⟨hal-00259755⟩

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