globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-016-3069-8
Scopus记录号: 2-s2.0-84961214099
论文题名:
An interdecadal change in the intensity of interannual variability in summer rainfall over southern China around early 1990s
作者: Chen J.; Wen Z.; Wu R.; Wang X.; He C.; Chen Z.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2017
卷: 48, 期:2017-01-02
起始页码: 191
结束页码: 207
语种: 英语
英文关键词: Early 1990s ; Intensity of the interannual variability ; Interdecadal change ; Southern China summer rainfall
英文摘要: The intensity of interannual variability (IIV) in southern China (SC) summer rainfall experienced a remarkable increase in early 1990s, concurrent with the interdecadal increase in SC summer rainfall. Two factors are proposed for this interdecadal change. One is the interdecadal increase of IIV in tropical eastern Indian Ocean (TEIO) sea surface temperature (SST) after early 1990s. Anomalous warmer (cooler) TEIO SST triggers anomalous ascending (descending) motion and lower-level cyclonic (anticyclone) circulation in situ, which in turn induces anomalous descent (ascent) over SC through an anomalous meridional vertical circulation. This contributes to interannual summer rainfall variability over SC. The increase in the amplitude of TEIO SST anomalies in early 1990s led to an intensified interannual variability of summer rainfall over SC. The other is the strengthened influence of a coupled mode of the North Atlantic Oscillation (NAO) and North Atlantic triple SST anomaly on interannual variability in summer rainfall over SC after early 1990s. The leading EOF mode of the North Atlantic SST is characterized by a stripe pattern during 1979–1992, while during 1993–2008 the dominant mode of the North Atlantic SST is a triple pattern. The triple pattern of North Atlantic SST may exert positive effect on the NAO after early 1990s. Compared to the period 1979–1992, the relationship between the NAO and interannual summer rainfall over SC is enhanced during 1993–2008. The NAO coupled with North Atlantic SST triple exerts an important impact on SC summer rainfall variability through Eurasian wave-like train. © 2016, Springer-Verlag Berlin Heidelberg.
资助项目: CAS-SAFEA International Partnership Program for Creative Research Teams ; NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53401
Appears in Collections:过去全球变化的重建

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作者单位: State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China; Center for Monsoon and Environment Research/Department of Atmospheric Sciences, Sun Yat-Sen University, Guangzhou, China; Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing, China; Jiangsu Collaborative Innovation Center for Climate Change, Nanjing, China; Institute of Tropical and Marine Meteorology/Key Open Laboratory for Tropical Monsoon, China Meteorological Administration, Guangzhou, China; Laboratory for Regional Oceanography and Numerical Modeling, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China

Recommended Citation:
Chen J.,Wen Z.,Wu R.,et al. An interdecadal change in the intensity of interannual variability in summer rainfall over southern China around early 1990s[J]. Climate Dynamics,2017-01-01,48(2017-01-02)
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