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Elsevier, Advances in Space Research, 7(33), p. 1143-1147

DOI: 10.1016/s0273-1177(03)00754-3

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Variational retrieval of sea surface wind vectors using a polarimetric approach

Journal article published in 2004 by Q. Liu ORCID, F. Weng
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Data provided by SHERPA/RoMEO

Abstract

This study presents one-dimension variational retrieval of sea surface wind vectors using simulated microwave polarimetric measurements at 10.7, 18.7, and 37 GHz. The algorithm only requires four Stokes components at a single frequency; and therefore runs very efficiently. Under non-precipitation conditions, the errors of wind direction and speed are about 10° and 0.6 m/s, respectively, if the random noises of 0.1 K for vertical and horizontal polarization states and 0.15 K for the third and fourth Stokes components are taken into account. In hurricane conditions, polarimetric measurements at 10 GHz, especially for the 3rd and 4th Stokes components, vary within a few degree of Kelvin and provide unique information on surface wind direction.