A spurious positive Indian Ocean Dipole in 2017

被引：0

作者：

Lianyi Zhang ^{[1
,2
]}

Yan Du ^{[1
,2
]}

Wenju Cai ^{[3
,4
]}

机构：

[1] South China Sea Institute of Oceanology, Chinese Academy of Sciences

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

[3] Physical Oceanography Laboratory/CIMSST, Ocean University of China and Qingdao National Laboratory for Marine Science and Technology

[4] Centre for Southern Hemisphere Oceans Research, CSIRO Marine and Atmospheric Research

来源：

Science Bulletin | 2018年 / 63卷 / 18期

基金：

中国国家自然科学基金;

关键词：

IOD; In; SST; A spurious positive Indian Ocean Dipole in 2017;

D O I：

暂无

中图分类号：

P732 [海洋气象学];

学科分类号：

0706 ; 070601 ;

摘要：

The Indian Ocean Dipole (IOD) is an intrinsic ocean-atmosphere coupled mode in the tropical Indian Ocean (IO)[1,2]. It features a sea surface temperature (SST) anomaly gradient, defined by the dipole mode index (DMI), the difference of area-averaged SST anomaly between the western tropical IO (50°–70°E, 10°N–10°S)and the southeastern tropical IO (90°–110°E, Eq.-10°S). The IOD event tends to develop and mature in the boreal summer and fall seasons. When a positive IOD (p IOD) occurs, SST warms up in the west and cools down in the east, which sets up an east-west pressure gradient. The atmosphere hence responds to the anomalous

引用

页码：1170 / 1172

页数：3

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