Pacific decadal oscillation and the decadal change in the intensity of the interannual variability of the South China Sea summer monsoon

被引:7
|
作者
FAN Yi [1 ,2 ]
FAN Ke [1 ,3 ]
机构
[1] Nansen-Zhu International Research Centre,Institute of Atmospheric Physics,Chinese Academy of Sciences
[2] College of Earth Science,University of Chinese Academy of Sciences
[3] Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science & Technology
基金
中国国家自然科学基金;
关键词
南海夏季风; 年际变率强度; 太平洋年代际振荡; ENSO;
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
本研究表明,二十世纪南海夏季风的年际变率强度在一定程度上受到太平洋年代际振荡(PDO)的调控,PDO处于暖(冷)位相时南海夏季风的年际变率强度偏强(弱)。热带太平洋海温的年际变率强度及南海夏季风与ENSO的关系在上述调控中起到重要作用。PDO处于暖位相时,热带太平洋海温变率偏大,ENSO事件偏强,因而沃克环流及西北太平洋反气旋异常的位置和强度均发生改变,最终导致南海夏季风与热带太平洋海温的相互作用更强,南海夏季风年际变率强度增大,反之亦然。
引用
收藏
页码:162 / 167
页数:6
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