Impact of the central Pacific zonal wind divergence and convergence on the central Pacific El Nino event

被引：1
|
作者：
Zuo Tao [1 ,2 ,3 ]
Chen Jinnian [1 ,2 ]
Wang Hongna [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
[2] Chinese Acad Sci, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
ACTA OCEANOLOGICA SINICA | 2014年 / 33卷 / 11期
关键词：
TAO observation data; central Pacific; El Nino; La Nina; zonal wind; divergent and convergent indices;
D O I：
10.1007/s13131-014-0497-3
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
The central Pacific (CP) zonal wind divergence and convergence indices are defined, and the forming mechanism of CP El Nino (La Nina) 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 Nino (La Nina) events. A correlation analysis between the central Pacific zonal wind divergence and convergence indices and central Pacific El Nino 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 Nino (La Nina) events 5 months ahead.
引用
收藏
页码：85 / 89
页数：5
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