| The upper ocean response to tropical cyclones in the northwestern Pacific analyzed with Argo data |
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| 作者姓名： | 刘增宏 许建平 朱伯康 孙朝辉 张立峰 |
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| 作者单位： | Second Institute of Oceanography State Oceanic Administration，Second Institute of Oceanography State Oceanic Administration，Second Institute of Oceanography State Oceanic Administration，Second Institute of Oceanography State Oceanic Administration，Hangzhou Meteorology Bureau，Hangzhou 310012 China，State Key Laboratory of Satellite Ocean Environment Dynamics Second Institute of Oceanography State Oceanic Administration Hangzhou 310012 China，Hangzhou 310012 China，State Key Laboratory of Satellite Ocean Environment Dynamics Second Institute of Oceanography State Oceanic Administration Hangzhou 310012 China，Hangzhou 310012 China，Hangzhou 310012 China，Hangzhou 310008 China |
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| 摘 要： | A large number of autonomous profiling floats deployed in global oceans have provided abundant temperature and salinity profiles of the upper ocean. Many floats occasionally profile observations during the passage of tropical cyclones. These in-situ observations are valuable and useful in studying the ocean’s response to tropical cyclones, which are rarely observed due to harsh weather conditions. In this paper, the upper ocean response to the tropical cyclones in the northwestern Pacific during 2000–2005 is analyzed and discussed based on the data from Argo profiling floats. Results suggest that the passage of tropical cyclones caused the deepening of mixed layer depth (MLD), cooling of mixed layer temperature (MLT), and freshening of mixed layer salinity (MLS). The change in MLT is negatively correlated to wind speed. The cooling of the MLT extended for 50–150 km on the right side of the cyclone track. The change of MLS is almost symmetrical in distribution on both sides of the track, and the change of MLD is negatively correlated to pre-cyclone initial MLD.
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| 关 键 词： | 西北太平洋 热带气旋 上层海洋响应 Argo数据分析 |
| 收稿时间： | 2006-04-04 |
| 修稿时间： | 2006-08-08 |
The upper ocean response to tropical cyclones in the northwestern Pacific analyzed with Argo data |
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| Liu?Zenghong,Xu?Jianping,Zhu?Bokang,Sun?Chaohui,Zhang?Lifeng.The upper ocean response to tropical cyclones in the northwestern Pacific analyzed with Argo data[J].Chinese Journal of Oceanology and Limnology,2007,25(2):123-131. |
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| Authors: | Liu Zenghong Xu Jianping Zhu Bokang Sun Chaohui Zhang Lifeng |
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| Institution: | (1) Second Institute of Oceanography, State Oceanic Administration, Hangzhou, 310012, China;(2) State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, 310012, China;(3) Hangzhou Meteorology Bureau, Hangzhou, 310008, China |
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| Abstract: | A large number of autonomous profiling floats deployed in global oceans have provided abundant temperature and salinity profiles
of the upper ocean. Many floats occasionally profile observations during the passage of tropical cyclones. These in-situ observations are valuable and useful in studying the ocean’s response to tropical cyclones, which are rarely observed due
to harsh weather conditions. In this paper, the upper ocean response to the tropical cyclones in the northwestern Pacific
during 2000–2005 is analyzed and discussed based on the data from Argo profiling floats. Results suggest that the passage
of tropical cyclones caused the deepening of mixed layer depth (MLD), cooling of mixed layer temperature (MLT), and freshening
of mixed layer salinity (MLS). The change in MLT is negatively correlated to wind speed. The cooling of the MLT extended for
50–150 km on the right side of the cyclone track. The change of MLS is almost symmetrical in distribution on both sides of
the track, and the change of MLD is negatively correlated to pre-cyclone initial MLD.
This research was funded by the Ministry of Science and Technology of China (No.2002CB714001 and 2001CCB00200), and the Youth
Fund of State Oceanic Administration (No. 2004203). |
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| Keywords: | upper ocean tropical cyclone mixed layer Argo data northwestern Pacific |
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