Improved simulation of the East Asian winter monsoon interannual variation by IAP/LASG AGCMs

被引:0
|
作者
JIN Chen-Xi [1 ,2 ]
ZHOU Tian-Jun [1 ,3 ]
GUO Zhun [1 ]
WU Bo [1 ]
CHEN Xiao-Long [1 ]
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
[3] Climate Change Research Center, Chinese Academy of Sciences
基金
中国国家自然科学基金;
关键词
East Asian winter monsoon; El Nio; Grid-point Atmospheric Model of the IAP/LASG; Philippine Sea anticyclone; atmospheric heating;
D O I
暂无
中图分类号
P435 [数值试验]; P425 [风];
学科分类号
0706 ; 070601 ;
摘要
东亚冬季风的模拟性能一直是检验气候模式的重要指标。本文对比分析了LASG新旧两个版本大气环流模式对东亚冬季风年际变率的模拟性能。结果表明,GAMIL2模拟的东亚冬季风指数与观测的相关系数为0.71,相较于GAMIL1(0.37)有明显改进。主要原因是GAMIL2改进了云参数化方案,能够更合理的再现加热率对厄尔尼诺的响应,有助于激发菲律宾海反气旋,从而改进东亚冬季风的模拟。
引用
收藏
页码:204 / 210
页数:7
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