The role of soil moisture-atmosphere coupling in summer light precipitation variability over East Asia

被引：3
|
作者：
Wu, Lingyun [1 ]
Zhang, Jingyong [2 ]
Huang, Gang [1 ]
机构：
[1] Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing 100029, Peoples R China
[2] Chinese Acad Sci, Inst Atmospher Phys, Ctr Monsoon Syst Res, Beijing 100029, Peoples R China
来源：
ATMOSPHERIC SCIENCE LETTERS | 2012年 / 13卷 / 04期
关键词：
soil moisture feedbacks; regional climate modeling; summer light precipitation variability; TRENDS; CHINA; FREQUENCY; FEEDBACKS; RAINFALL; EVENTS;
D O I：
10.1002/asl.398
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
This study investigates the role of soil moisture feedbacks in influencing interannual variability of summer light precipitation frequency over East Asia by analyzing two long-term simulations with and without interactive soil moisture using the Weather Research and Forecasting model coupled with the Noah land model. It is shown that soil moistureatmosphere coupling significantly amplifies interannual variability of summer light precipitation frequency over many areas, in particular the climatic and ecological transition zones, contributing to 3060% of the variance. The results suggest that soil moisture-atmosphere coupling constitutes an important cause explaining the variations of summer light precipitation events over East Asia. Copyright (c) 2012 Royal Meteorological Society
引用
收藏
页码：296 / 302
页数：7
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