The significant wave height estimation by the azimuth cutoff of the quad-polarization SAR image

Lin Ren; Jingsong Yang; Gang Zheng; Juan Wang

doi:10.1117/12.2067983

10 December 2014 The significant wave height estimation by the azimuth cutoff of the quad-polarization SAR image

Lin Ren, Jingsong Yang, Gang Zheng, Juan Wang

Proceedings Volume 9261, Ocean Remote Sensing and Monitoring from Space; 926115 (2014) https://doi.org/10.1117/12.2067983
Event: SPIE Asia-Pacific Remote Sensing, 2014, Beijing, China

Abstract

This paper primarily proposes simple C-band empirical models between ocean wave significant wave height (Hs) and SAR azimuth cutoff using RADARSAT-2 fine quad-polarization mode data. The empirical models of VV, HH and VH polarization relate the Hs to the cutoff divided by range-velocity-ratio with approximatly linear relationships. Compared from NDBC buoy data, retrieved Hs by empirical models have the root mean square (Rms) errors of 0.62 m, 0.52 m and 0.70 m for VV, HH and VH polarization, respectively. Particularly, HH polarization presents the best Hs retrieval performance.

Citation Download Citation

Lin Ren, Jingsong Yang, Gang Zheng, and Juan Wang "The significant wave height estimation by the azimuth cutoff of the quad-polarization SAR image", Proc. SPIE 9261, Ocean Remote Sensing and Monitoring from Space, 926115 (10 December 2014); https://doi.org/10.1117/12.2067983

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