| Comparison of retrieving methods of ocean wave periods from satellite altimeter with buoy measurements |
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| 作者姓名： | 孙群 宋金宝 |
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| 作者单位： | Institute of Oceanology，Institute of Oceanology Chinese Academy of Sciences，Qingdao 266071，China，Chinese Academy of Sciences，Qingdao 266071，China |
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| 基金项目： | Supported by the High-Tech Research and Development Program of China (863 Program, No. 2001AA633070 2003AA604040)the National Natural Science Foundation of China (No. 40476008). |
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| 摘 要： | For validating the results of retrieved mean wave period, four empirical algorithms established previously are introduced. Based on the data of over five years derived from TOPEX satellite altimeter for the entire East China Sea, ocean wave periods were calculated and statistical comparison among them was performed. The retrieved mean wave period obtained with our new distribution parameters showed better agreement with the wave period TB measured by buoy than that calculated by other three algorithms. The difference between the mean values of and that of TB is 0.16 s and the RMSE (root mean square error) of is the lowest value (0.48).
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| 关 键 词： | 海洋动力学 测高仪 波浪 浪高 风速 |
| 收稿时间： | 2005-05-12 |
| 修稿时间： | 2005-08-22 |
Comparison of retrieving methods of ocean wave periods from satellite altimeter with buoy measurements |
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| Sun Qun,Song Jinbao.Comparison of retrieving methods of ocean wave periods from satellite altimeter with buoy measurements[J].Chinese Journal of Oceanology and Limnology,2006,24(1):6-11. |
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| Authors: | Sun Qun Song Jinbao |
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| Institution: | (1) Institute of Oceanology, Chinese Academy of Sciences, 266071 Qingdao, China |
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| Abstract: | For validating the results of retrieved mean wave period, four empirical algorithms established previously are introduced. Based on the data of over five years derived from TOPEX satellite altimeter for the entire East China Sea, ocean wave periods were calculated and statistical comparison among them was performed. The retrieved mean wave period obtained with our new distribution parameters showed better agreement with the wave period TB measured by buoy than that calculated by other three algorithms. The difference between the mean values of and that of TB is 0.16 s and the RMSE (root mean square error) of is the lowest value (0.48). |
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| Keywords: | altimeter wave period significant wave height wind speed |
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