WANG, Mengjia; WIGNERON, Jean-Pierre; SUN, Rui; CIAIS, Philippe; BRANDT, Martin; LIU, Yi; FRAPPART, Frédéric; LI, Xiaojun; LIU, Xiangzhuo; FAN, Lei; FENSHOLT, Rasmus

doi:10.1109/IGARSS39084.2020.9323204

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WANG, Mengjia
Interactions Sol Plante Atmosphère [UMR ISPA]

WIGNERON, Jean-Pierre
Interactions Sol Plante Atmosphère [UMR ISPA]

SUN, Rui
Beijing Normal University [BNU]

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Communication dans un congrès

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IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, 2020-09-26, Waikoloa. p. 5003-5006

IEEE

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Decade years of efforts on the retrieval of soil moisture based on radiative transfer model have largely improved the accuracy of soil moisture (SM). This paper focus on the other parameter, namely vegetation optical depth (VOD). We retrieved X-band VOD from AMSR-E and AMSR2 observations by inverting the L-MEB model (Wigneron et al. 2007 [1]) at X-band, considering that SM was known. As SM input to the L-MEB inversion we used the ECMWF SM product. This step avoids correlation between VOD and SM retrievals from the mono-angular AMSR-E observations. In a first step we evaluated the retrieved VOD with the Copernicus Global Land Service (CGLS) LAI. The evaluation results indicate our model has a great potential for VOD retrievals from AMSR-E/2 satellite data.< Leer menos

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Vegetation optical depth retrieval from AMSR-E/AMSR2 observations using L-MEB inversion

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