Calibration of significant wave height from HY-2A satellite altimeter

Jinsong Yang; Guangjun Xu; Yuan Xu; Xiaoyan Chen

doi:10.1117/12.2060607

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8 October 2014 Calibration of significant wave height from HY-2A satellite altimeter

Jinsong Yang, Guangjun Xu, Yuan Xu, Xiaoyan Chen

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Proceedings Volume 9221, Remote Sensing and Modeling of Ecosystems for Sustainability XI; 92210B (2014) https://doi.org/10.1117/12.2060607
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

The HY-2A, which was launched on 2011/8/16, is the first microwave marine remote sensing satellite developed by China. In this paper, the significant wave height (SWH) data measured by HY-2A satellite altimeter were compared with the data observed by Jason-1/2 satellite altimeter as well as the data measured by buoys. It was found that there was a systematic error of 0.3-0.4 m between SWH obtained from HY-2A and Jason-1/2 altimeters and buoys. The comparison indicated that there was a linear relationship between the data of HY-2A and buoys, which could be used to calibrate SWH measured by HY-2A to better reflect the real marine situation. Comparisons show that the results are good and HY-2A altimetry data work well with Jason-1/2 satellite altimetry data.

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Jinsong Yang, Guangjun Xu, Yuan Xu, and Xiaoyan Chen "Calibration of significant wave height from HY-2A satellite altimeter", Proc. SPIE 9221, Remote Sensing and Modeling of Ecosystems for Sustainability XI, 92210B (8 October 2014); https://doi.org/10.1117/12.2060607

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