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Reducing systematic errors on SMOS retrieved salinity: Calibration of brightness temperature images and forward model improvement

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11 Author(s)
J. Gourrion ; Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain ; S. Guimbard ; R. Sabia ; C. GabarrĂ³
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SMOS salinity inversion consists of minimizing the residual between measured and modeled brightness temperatures. The minimization procedure is a great challenge and crucial step, but its success depends on the quality of the forward model. Consequently, we present an empirical update of pre-launch L-band emissivity forward models, where the essential improvement is related to the emissivity by a rough sea surface. The improvement is quantified in terms of retrieved salinity accuracy compared to the climatology.

Published in:

Geoscience and Remote Sensing Symposium (IGARSS), 2011 IEEE International

Date of Conference:

24-29 July 2011