Impacts of monsoon break events in the western North Pacific on the cross-equatorial flows over the Maritime Continent

被引:0
|
作者
Xiaoxuan Zhao [1 ]
Minghao Bi [2 ,3 ]
Ke Xu [2 ]
Jianqi Sun [1 ,3 ]
Riyu Lu [2 ,3 ]
机构
[1] Nansen-Zhu International Research Center,Institute of Atmospheric Physics,Chinese Academy of Sciences
[2] State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics,Institute of Atmospheric Physics,Chinese Academy of Sciences
[3] College of Earth and Planetary Sciences,University of Chinese Academy of Sciences
基金
中国国家自然科学基金;
关键词
西北太平洋夏季风; 季风中断; 越赤道气流; 海洋性大陆;
D O I
暂无
中图分类号
P732 [海洋气象学]; P425.42 [];
学科分类号
0706 ; 070601 ;
摘要
本文利用ERA5逐日再分析资料,探讨了1979-2020年间西北太平洋季风中断事件对海洋性大陆越赤道气流的影响.合成结果表明,西北太平洋季风中断事件会造成高,低空越赤道气流减弱,即高层南风异常,低层北风异常,与此相关的环流异常表现为西北太平洋高层气旋,低层反气旋的斜压结构.特别的是,西北太平洋季风中断对高空越赤道气流的影响更为显著,92%的季风中断事件都导致高空越赤道气流减弱,而只有70%的事件造成低空越赤道气流减弱,这是由于低空越赤道气流同时还受到赤道中东太平洋海温异常的调控.
引用
收藏
页码:35 / 40
页数:6
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