| Impact of the central Pacific zonal wind divergence and convergence on the central Pacific El Nio event |
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| 引用本文： | 左涛,陈锦年,王宏娜.Impact of the central Pacific zonal wind divergence and convergence on the central Pacific El Nio event[J].海洋学报(英文版),2014,33(11):85-89. |
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| 作者姓名： | 左涛 陈锦年 王宏娜 |
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| 作者单位： | 中国科学院海洋研究所, 青岛 266071;中国科学院海洋环流与波动重点实验室 青岛 266071;中国科学院大学, 北京 100049;中国科学院海洋研究所, 青岛 266071;中国科学院海洋环流与波动重点实验室 青岛 266071;中国科学院海洋研究所, 青岛 266071;中国科学院海洋环流与波动重点实验室 青岛 266071 |
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| 基金项目： | The National Basic Research Program(973 Program)of China under contract No.2012CB417402;the Strategic Priority Research Program of the Chinese Academy of Sciences under contract No.XDA11010102 |
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| 摘 要： | The central Pacific(CP) zonal wind divergence and convergence indices are defined, and the forming mechanism of CP El Nio(La Nia) events is discussed preliminarily. The results show that the divergence and convergence of the zonal wind anomaly(ZWA) are the key process in the forming of CP El Nio(La Nia) events. A correlation analysis between the central Pacific zonal wind divergence and convergence indices and central Pacific El Nio indices indicates that there is a remarkable lag correlation between them. The central Pacific zonal wind divergence and convergence indices can be used to predict the CP events. Based on these results, a linear regression equation is obtained to predict the CP El Nio(La Nia) events 5 months ahead.
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| 关 键 词： | 纬向风异常 厄尔尼诺 收敛指数 太平洋 中央 发散 事件 线性回归方程 |
| 收稿时间： | 2013/11/11 0:00:00 |
| 修稿时间： | 5/4/2014 12:00:00 AM |
Impact of the central Pacific zonal wind divergence and convergence on the central Pacific El Niño event |
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| ZUO Tao,CHEN Jinnian and WANG Hongna.Impact of the central Pacific zonal wind divergence and convergence on the central Pacific El Niño event[J].Acta Oceanologica Sinica,2014,33(11):85-89. |
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| Authors: | ZUO Tao CHEN Jinnian and WANG Hongna |
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| Institution: | 1.Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Key Laboratory of Ocean Circulation and Waves, Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China2.Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Key Laboratory of Ocean Circulation and Waves, Chinese Academy of Sciences, Qingdao 266071, China |
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| Abstract: | The central Pacific (CP) zonal wind divergence and convergence indices are defined, and the forming mechanism of CP El Niño (La Niña) events is discussed preliminarily. The results show that the divergence and convergence of the zonal wind anomaly (ZWA) are the key process in the forming of CP El Niño (La Niña) events. A correlation analysis between the central Pacific zonal wind divergence and convergence indices and central Pacific El Niño indices indicates that there is a remarkable lag correlation between them. The central Pacific zonal wind divergence and convergence indices can be used to predict the CP events. Based on these results, a linear regression equation is obtained to predict the CP El Niño (La Niña) events 5 months ahead. |
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| Keywords: | TAO observation data central Pacific El Niñ o La Niñ a zonal wind divergent and convergent indices |
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