Bare soil moisture retrieval from multi-temporal X-band TerraSAR-X SAR imagesReport as inadecuate




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1 CESBIO - Centre d-études spatiales de la biosphère 2 UMR TETIS - Territoires, Environnement, Télédétection et Information Spatiale 3 INAT

Abstract : The aim of the present study is to analyze the sensitivity of X-band SAR TerraSAR-X signals as a function of different physical bare soil parameters soil moisture, soil roughness, and to evaluate the accuracy of change detection approach proposed for soil moisture estimation. Firstly, we presented a brief description of our ground and satellite database. Secondly, we considered the main results of our statistical analysis of the relationships between radar and soil parameters: soil moisture and different roughness parameters the rms height, Zs parameter, and a new roughness parameter Zg. Finally, we proposed an algorithm combing multi-temporal X-band SAR images TerraSAR-X with different continuous thetaprobe measurements for the retrieval of surface soil moisture at a high spatial resolution.

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Keywords : SOIL WATER CONTENT ROUGHNESS VERY HIGH SPATIAL RESOLUTION

Mots-clés : IMAGE SATELLITE TRES HAUTE RESOLUTION SPATIALE TELEDETECTION RADAR CARTOGRAPHIE HUMIDITE DU SOL RUGOSITE





Author: A. Gorrab - M. Zribi - N. Baghdadi - Z. Lili-Chabaane -

Source: https://hal.archives-ouvertes.fr/



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