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海洋二号卫星高度计有效波高的验证与校准 被引量:8

Validation and calibration of significant wave height from HY-2 satellite altimeter
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摘要 本文选取与海洋二号(HY-2)卫星高度计同步的Jason-1和Jason-2有效波高数据以及同步的浮标数据对HY-2卫星高度计观测的结果进行验证,结果表明HY-2观测的有效波高存在0.3—0.4 m的误差;通过HY-2数据和同步的浮标数据的拟合得到HY-2数据的校准关系式,并比较校准后的HY-2有效波高数据与Jason-1和Jason-2数据,表明校准后的HY-2数据能够更好地反映海面的真实状况。 The HY-2, which was launched on August 16, 2011, is the first microwave marine remote sensing satellite developed by China. In this paper, the data of Significant Wave Height (SWH) measured by satellite altimeter HY-2 were compared with the data observed by satellite altimeter Jason-land Jason-2 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-2 and other altimeters and buoys. The comparison indicated that there was a linear relationship between the data of HY-2 and buoys, which could be used to calibrate SWH measured by HY-2 to better reflect the real marine situation. Comparisons show that the results are good and HY-2 altimetry data work well with other satellite altimetry data.
出处 《遥感学报》 EI CSCD 北大核心 2014年第1期206-214,共9页 NATIONAL REMOTE SENSING BULLETIN
基金 国家高技术研究发展计划(863计划)(编号:2013AA091205) 载人航天工程项目 国家海洋局青年海洋科学基金(编号:2013445) 国家海洋局第二海洋研究所基本科研业务费专项资助项目(编号:JG1215)~~
关键词 海洋二号 卫星高度计 有效波高 数据校准 HY-2, satellite altimetry, Significant Wave Height (SWH), data correction
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