| 热带印度洋海温与海表面高度相关关系分析 |
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| 引用本文： | 谢骏成,张国胜,徐青,张彪.热带印度洋海温与海表面高度相关关系分析[J].河海大学学报(自然科学版),2016,44(1):39-44. |
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| 作者姓名： | 谢骏成 张国胜 徐青 张彪 |
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| 作者单位： | 国家海洋局第二海洋研究所卫星海洋环境动力学国家重点实验室, 浙江 杭州 310012; 河海大学港口海岸与近海工程学院, 江苏 南京 210098,上海海洋大学海洋科学学院, 上海 201306,河海大学港口海岸与近海工程学院, 江苏 南京 210098,南京信息工程大学海洋科学学院, 江苏 南京 210044 |
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| 基金项目： | 中国科学院南海海洋研究所热带海洋环境国家重点实验室开放基金(LTO1206) |
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| 摘 要： | 为了研究热带印度洋偶极子(IOD)与海平面异常之间的相关性,采用经验正交函数分析方法(EOF)及Hilbert-Huang变换等统计方法,分析热带印度洋的海表面温度(SST)与海平面高度异常(SLA)的相关关系。通过对热带印度洋偶极子指数(DMI)与南方涛动指数(SOI)和SLA的相关性分析,得出IOD与El Nio-Southern Oscillation(ENSO)之间可能存在一定相关关系,此外,IOD与海平面变化有很好的相关性。通过对IOD爆发年的DMI以及海平面变化的分析,证实IOD具有季节锁相的重要特征,并探讨了该季节变化与海平面变化的相关关系。结果表明,IOD事件与海平面的变化这两者之间存在很强的一致性。
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| 关 键 词： | 热带海洋环境 印度洋海域 IOD SST ENSO 海平面变化 Hilbert-Huang变换 |
| 收稿时间： | 2015/1/12 0:00:00 |
Correlation analysis of sea surface temperature and sea surface height in tropical Indian Ocean |
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| XIE Juncheng,ZHANG Guosheng,XU Qing and ZHANG Biao.Correlation analysis of sea surface temperature and sea surface height in tropical Indian Ocean[J].Journal of Hohai University (Natural Sciences ),2016,44(1):39-44. |
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| Authors: | XIE Juncheng ZHANG Guosheng XU Qing and ZHANG Biao |
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| Institution: | State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China; College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China,College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China,College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China and College of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China |
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| Abstract: | In order to study the correlation between the tropical Indian Ocean dipole(IOD)and sea level anomalies, the correlation between the sea surface temperature(SST)and the sea level anomaly(SLA)in the tropical Indian Ocean was analyzed using the empirical orthogonal function(EOF)method and Hilbert-Huang transform method. Based on correlation analysis of the tropical Indian Ocean dipole mode index(DMI)and the Southern Oscillation Index(SOI)and SLA, it is concluded that there may be a certain correlation between the IOD and the El Niñ o-Southern Oscillation(ENSO). In addition, there is a strong correlation between the IOD and sea level changes. Analysis of the DMI and sea level changes in the IOD years proved the seasonal phase locking of the IOD, and the correlation between the season change and sea level change was examined. The results show that there is a strong correlation between the IOD events and sea level changes. |
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| Keywords: | tropical ocean environment Indian Ocean IOD SST ENSO sea level change Hilbert-Huang transform |
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