Progress in Ocean Wind Retrieval from Synthetic Aperture Radar

Abstract

The high resolution and all-weather observation abilities have made the synthetic aperture radar(SAR) one of the most important ways of ocean wind retrieval in large area.This helps us understand the physics process of all kinds of different oceanic phenomena especially in coastal area where SAR wind becomes more valuable.According to the method of wind direction determination,this paper reviews the progress in ocean wind retrieval form SAR data in detail,which includes linear feature based wind retrieval,external wind direction based wind retrieval and wind retrieval from other information contained in the SAR images such as the difference of incidence angle and multi-polarimetric backscattering.Lastly,a viewpoint of the development trend of SAR ocean wind retrieval is formulated.