Abstract
The high resolution sea surface wind speeds retrieval from SAR image is of great significance in the field of microwave remote sensing.In this paper, a preliminary study about the high resolution sea surface wind speeds retrieval from SAR image combing with the NCEP/QSCATblended sea surface wind directions was introduced. As a case study, this method was applied on one scene ENVISAT ASAR imaging on Dec. 6,2005. The retrieved wind speeds are compared with those from both the NCEP/QSCAT blended sea surface wind speeds and daily averaged QuickScatter meter sea surface wind speeds. The results gave that they are in good agreement. The root-mean- square errors of wind speed are 1.9 m/ sand 1.6 m/ s respectively, which show that SAR has the ability of retrieving the high resolution sea surface wind speeds, and give the orientation ofSAR sea surface wind field business application in future.
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