| T/P,Jason��1�������ټ���Ч���ߵ���֤��Ƚ� |
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| 引用本文： | 程永存,徐 青,刘玉光,李崇银,顾艳镇. T/P,Jason��1�������ټ���Ч���ߵ���֤��Ƚ�[J]. 大地测量与地球动力学, 2008, 28(6): 117-122 |
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| 作者姓名： | 程永存 徐 青 刘玉光 李崇银 顾艳镇 |
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| 作者单位： | 1)解放军理工大学气象学院，南京 211101;2)香港中文大学太空与地球信息科学研究所,香港;3)中国海洋大学物理海洋实验室，青岛 266003;4)大气科学和地球流体力学数值模拟国家重点实验室, 中国科学院大气物理研究所, 北京 100029 |
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| 摘 要： | ????T/P(TOPEX/POSEIDON)????????????????????????????????????T/P?????????????????????????????????????????????????????????У??????С????????????????????????????????????????????????????Ч??????T/P?????Ч???????0.3m??????T/P????????Jason??1?????????????????????????????????????????????????????????????????????????????????????????????????????á?T/P??Jason??1????????????????Ч?????????????????????????0.21 m??0.05 m??
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| 关 键 词： | ???????????? ??Ч???? TOPEX/POSEIDON Jason-1 ???????? |
VERIFICATION AND COMPARISON OF WIND SPEEDAND SIGNIFFICANT WAVE HEIGHT FROMTOPEX/POSEIDON AND JASON-1 |
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| Cheng Yongcun,Xu Qing,Liu Yuguang,Li Chongyin,Gu Yanzheng. VERIFICATION AND COMPARISON OF WIND SPEEDAND SIGNIFFICANT WAVE HEIGHT FROMTOPEX/POSEIDON AND JASON-1[J]. Journal of Geodesy and Geodynamics, 2008, 28(6): 117-122 |
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| Authors: | Cheng Yongcun Xu Qing Liu Yuguang Li Chongyin Gu Yanzheng |
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| Affiliation: | 1)Institute of Meteorology, PLA University of Science and Technology, Nanjing 2111012)Institute of Space and Earth Information Science，The Chinese University of Hong Kong, Shatin, N.T., Hong Kong3)Physical Oceanography Laboratory, Ocean University of China, Qingdao 2660034)LASG, Institute of Atmospheric Physics,CAS, Beijing 100029 |
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| Abstract: | The data of significant wave height(SWH) measured by satellite altimeter TOPEX/POSEIDON(T/P) are compared,i.e. verified,with the data synchronous measured by buoys and the monthly mean data.It is found that there is a linear relationship between them. The comparison indicates that the difference between measurements by buoys and T/P can be reduced by selecting narrower space window and longer sequence. There is a systematic error of 0.3 m between significant wave height (SWH) obtained from buoys and T/P in the selected region. The correction functions are also obtained by comparing T/P measurements with Jason 1 measurements. The results show that the difference in normalized radar backscatter cross section from the two altimeters is larger in low wind speed conditions than that in at high wind speed conditions, that is caused by sea state and instrument noise. In addition, the SWH and sea surface height anomaly (SSHA) from T/P and Jason 1 are also compared. The root mean square errors for the SWH and SSHA are 0.21 m and 0.05 m, respectively. |
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| Keywords: | radar backscatter cross section significant wave height (SWH) TOPEX/POSEIDON(T/P) Jason-1 sea surface height anomaly (SSHA) |
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