Combined impact of in-phase and out-of-phase variation between the northern East Asian low and western North Pacific subtropical high on East Asian summer rainfall

被引：4

作者：

DU Meng-Xing ^{[1
,2
]}

LIN Zhong-Da ^{[1
]}

LU Ri-Yu ^{[1
,2
]}

机构：

[1] State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics,Chinese Academy of Sciences

[2] College of Earth Science, University of Chinese Academy of Sciences

来源：

Atmospheric and Oceanic Science Letters | 2017年 / 10卷 / 04期

基金：

中国国家自然科学基金;

关键词：

东北亚低压; 西北太平洋副热带高压; 东亚夏季降水; 年际变化;

D O I：

暂无

中图分类号：

P426.6 [降水];

学科分类号：

0706 ; 070601 ;

摘要：

东亚夏季降水受到对流层低层的东北亚陆地低压和西北太平洋副热带高压(西太副高)的影响。本文采用NCEP/NCAR再分析资料,考察了东北亚低压和西太副高同位相变化及反位相变化对东亚夏季降水的影响。研究发现与环流系统同位相和反位相对应,东亚夏季降水呈现不同的变化特征。当东北亚低压和西太副高同位相变化时,东亚地区降水异常为偶极子型,表现为长江南北降水变化相反;而当两环流系统处于反位相变化时,降水异常主要集中在长江流域。

引用

页码：284 / 290

页数：7

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