首页|Differences and Links between the East Asian and South Asian Summer Monsoon Systems: Characteristics and Variability

Differences and Links between the East Asian and South Asian Summer Monsoon Systems: Characteristics and Variability

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This paper analyzes the differences in the characteristics and spatio-temporal variabilities of summertime rainfall and water vapor transport between the East Asian summer monsoon (EASM) and South Asian summer monsoon (SASM) systems.The results show obvious differences in summertime rainfall characteristics between these two monsoon systems.The summertime rainfall cloud systems of the EASM show a mixed stratiform and cumulus cloud system,while cumulus cloud dominates the SASM.These differences may be caused by differences in the vertical shear of zonal and meridional circulations and the convergence of water vapor transport fluxes.Moreover,the leading modes of the two systems' summertime rainfall anomalies also differ in terms of their spatiotemporal features on the interannual and interdecadal timescales.Nevertheless,several close links with respect to the spatiotemporal variabilities of summertime rainfall and water vapor transport exist between the two monsoon systems.The first modes of summertime rainfall in the SASM and EASM regions reveal a significant negative correlation on the interannual and the interdecadal timescales.This close relationship may be linked by a meridional teleconnection in the regressed summertime rainfall anomalies from India to North China through the southeastern part over the Tibetan Plateau,which we refer to as the South Asia/East Asia teleconnection pattern of Asian summer monsoon rainfall.The authors wish to dedicate this paper to Prof.Duzheng YE,and commemorate his 100th anniversary and his great contributions to the development of atmospheric dynamics.

East Asian summer monsoonSouth Asian summer monsoonspatiotemporal variabilityrainfallwater vapor transport

Ronghui HUANG、Yong LIU、Zhencai DU、Jilong CHEN、Jingliang HUANGFU

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Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100190, China

State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics,Institute of Atmospheric Physics, Chinese Academy of Science, Beijing 100029, China

Institute of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

This study was supported jointly by the National Key Research and Development ProgramNational Basic Research of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of China

2016YFA06006032013CB4302014160505841375065414611640054123052741375082

2017

10.1007/s00376-017-7008-3

大气科学进展(英文版)
中国科学院大气物理研究所

大气科学进展(英文版)

CSTPCDCSCDSCI
影响因子：0.741
ISSN：0256-1530
年,卷(期)：2017.34(10)
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