The validation of the significant wave height product of HY-2 altimeter-primary results

CHEN Chuntao; ZHU Jianhua; LIN Mingsen; ZHAO Yili; HUANG Xiaoqi; WANG He; ZHANG Youguang; PENG Hailong

doi:10.1007/s13131-013-0381-6

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Article Navigation > Acta Oceanologica Sinica > 2013 > 32(11): 82-86

CHEN Chuntao, ZHU Jianhua, LIN Mingsen, ZHAO Yili, HUANG Xiaoqi, WANG He, ZHANG Youguang, PENG Hailong. The validation of the significant wave height product of HY-2 altimeter-primary results[J]. Acta Oceanologica Sinica, 2013, 32(11): 82-86. doi: 10.1007/s13131-013-0381-6

Citation:

CHEN Chuntao, ZHU Jianhua, LIN Mingsen, ZHAO Yili, HUANG Xiaoqi, WANG He, ZHANG Youguang, PENG Hailong. The validation of the significant wave height product of HY-2 altimeter-primary results[J]. Acta Oceanologica Sinica, 2013, 32(11): 82-86. doi: 10.1007/s13131-013-0381-6

Citation:

CHEN Chuntao, ZHU Jianhua, LIN Mingsen, ZHAO Yili, HUANG Xiaoqi, WANG He, ZHANG Youguang, PENG Hailong. The validation of the significant wave height product of HY-2 altimeter-primary results[J]. Acta Oceanologica Sinica, 2013, 32(11): 82-86. doi: 10.1007/s13131-013-0381-6

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The validation of the significant wave height product of HY-2 altimeter-primary results

doi: 10.1007/s13131-013-0381-6

1.
National Ocean Technology Center, State Oceanic Administration, Tianjin 300112, China
2.
National Satellite Ocean Application Service of State Oceanic Administration, State Oceanic Administration, Beijing 100081, China

Received Date: 2012-08-25
Rev Recd Date: 2013-04-07

Abstract

Abstract

The HY-2 satellite was successfully launched on 16 August 2011. The HY-2 significant wave height (SWH) is validated by the data fromthe South China Sea (SCS) field experiment, National Data Buoy Center (NDBC) buoys and Jason-1/2 altimeters, and is corrected using a linear regressionwith in-situmeasurements. Compared with NDBC SWH, the HY-2 SWH show a RMS of 0.36 m, which is similar to Jason-1 and Jason-2 SWH with the RMS of 0.35mand 0.37mrespectively; the RMS of corrected HY-2 SWH is 0.27m, similar to 0.27 m and 0.23 mof corrected Jason-1 and Jason-2 SWH. Therefore the accuracy of HY-2 SWH products is close to that of Jason-1/2 SWH, and the linear regression function derived can improve the accuracy of HY-2 SWH products.
- altimeter,
- significant wave height,
- validation,
- linear regression,
- correction,
- rootmean square

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References(18)

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