Determination of the sea surface emissivity at L-band and application to SMOS salinity retrieval algorithms: Review of the contributions of the UPC-ICM

This work describes the main effects that have to be taken into account to model the sea surface emission at L‐band, and the existing approaches to perform the sea surface salinity retrieval from multiangular radiometric measurements. This manuscript reviews the activities carried out in these field...

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Bibliographic Details
Published in:Radio science 2008-06, Vol.43 (3), p.np-n/a
Main Authors: Camps, A., Font, J., Vall-llossera, M., Corbella, I., Duffo, N., Torres, F., Blanch, S., Aguasca, A., Villarino, R., Gabarró, C., Enrique, L., Miranda, J., Sabia, R., Talone, M.
Format: Article
Language:English
Subjects:
microwave radiometry
retrieval
salinity
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Summary:This work describes the main effects that have to be taken into account to model the sea surface emission at L‐band, and the existing approaches to perform the sea surface salinity retrieval from multiangular radiometric measurements. This manuscript reviews the activities carried out in these fields during the past years by the Universitat Politècnica de Catalunya (UPC) in collaboration with the Institut de Ciències del Mar (ICM ‐ CSIC). They cover the precise measurement of the dielectric permittivity of the seawater at L‐band, the sea surface emissivity (including the effect of wind‐driven waves, swell, currents, rain, and oil spills), the comparison of experimental data with numerical models, and the development of sea surface salinity retrieval algorithms for SMOS using multiangular radiometric data. The first salinity retrievals using 2D aperture synthesis radiometry are also presented.
ISSN:0048-6604
1944-799X
DOI:10.1029/2007RS003728