| Multi-scale wavelet analysis of TOPEX/Poseidon altimeter significant wave height in eastern China seas |
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| 作者姓名： | 郭衍游 侯一筠 李明悝 |
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| 作者单位： | Institute of Oceanology，Institute of Oceanology，Institute of Oceanology Chinese Academy of Sciences，Qingdao 266071，China Graduate School Chinese Academy of Sciences，Beijing 100039，China，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. 40476015). |
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| 摘 要： | The multi-scale characteristics of wave significant height (Hss) in eastern China seas were revealed by multi-scale wavelet analysis. In order to understand the relation between wave and wind, the TOPEX/Poseidon measurements of Hs and wind speed were analyzed. The result showed that Hs and wind speed change in multi-scale at one-, two-month, half-, one- and two-year cycles. But in a larger time scale, the variations in Hs and wind speed are different. Hs has a five-year cycle similar to the cycle of ENSO variation, while the wind speed has no such cycle. In the time domain, the correlation between Hs and ENSO is unclear.
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| 关 键 词： | 中国 东海 波浪 浪高 测高仪 |
| 收稿时间： | 2005-05-05 |
| 修稿时间： | 2005-08-13 |
Multi-scale wavelet analysis of TOPEX/Poseidon altimeter significant wave height in eastern China seas |
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| Guo Yanyou,Hou Yijun,Li Mingkui.Multi-scale wavelet analysis of TOPEX/Poseidon altimeter significant wave height in eastern China seas[J].Chinese Journal of Oceanology and Limnology,2006,24(1):81-86. |
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| Authors: | Guo Yanyou Hou Yijun Li Mingkui |
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| Institution: | (1) Institute of Oceanology, Chinese Academy of Sciences, 266071 Qingdao, China;(2) Graduate School, Chinese Academy of Sciences, 100039 Beijing, China |
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| Abstract: | The multi-scale characteristics of wave significant height (Hss) in eastern China seas were revealed by multi-scale wavelet analysis. In order to understand the relation between wave and wind, the TOPEX/Poseidon measurements of Hs and wind speed were analyzed. The result showed that Hs and wind speed change in multi-scale at one-, two-month, half-, one- and two-year cycles. But in a larger time scale, the variations in Hs and wind speed are different. Hs has a five-year cycle similar to the cycle of ENSO variation, while the wind speed has no such cycle. In the time domain, the correlation between Hs and ENSO is unclear. |
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| Keywords: | wavelet transform significant wave height TOPEX/Poseidon eastern China seas |
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