globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-016-3306-1
Scopus记录号: 2-s2.0-84982923048
论文题名:
Southern European rainfall reshapes the early-summer circumglobal teleconnection after the late 1970s
作者: Lin Z.; Liu F.; Wang B.; Lu R.; Qu X.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2017
卷: 48, 期:2017-11-12
起始页码: 3855
结束页码: 3868
语种: 英语
英文关键词: Circumglobal teleconnection ; Decadal change ; Indian rainfall ; North Atlantic westerly jet ; Southern European summer rainfall
英文摘要: The summer circumglobal teleconnection (CGT), which crucially affects mid-latitude climate in the Northern Hemisphere, is generally characterized by a mid-latitude wave train along the strong upper-tropospheric westerly jet. In this study a significant change is identified in the spatial pattern of the early-summer CGT after the late 1970s: An additional high-latitude wave train has occurred over northern Eurasia. Based on observational evidences and simulation results with a linear baroclinic model, it is proposed that the post-1970s CGT change is induced by enhanced impact of rainfall over southern Europe (SE) after the late 1970s. Specifically, the mid-latitude wave train of CGT in early summer is dominated by Indian rainfall before the late 1970s but by both rainfall over India and SE after the late 1970s; the high-latitude wave train of CGT occurring after the late 1970s, however, is induced only by the SE rainfall. The coupled Indian and SE rainfall after the late 1970s, which is probably due to the basic flow change over the North Atlantic, induce both mid-latitude and high-latitude wave trains of the CGT. © 2016, Springer-Verlag Berlin Heidelberg.
资助项目: 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/53191
Appears in Collections:过去全球变化的重建

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作者单位: State Key Laboratory of Numerical Modelling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; Earth System Modeling Center and Climate Dynamics Research Center, Nanjing University of Information Science and Technology, Nanjing, Jiangsu, China; Department of Atmospheric Sciences and Atmosphere–Ocean Research Center, University of Hawai‘i at Mānoa, Honolulu, HI, United States

Recommended Citation:
Lin Z.,Liu F.,Wang B.,et al. Southern European rainfall reshapes the early-summer circumglobal teleconnection after the late 1970s[J]. Climate Dynamics,2017-01-01,48(2017-11-12)
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