globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00382-017-3821-8
Scopus记录号: 2-s2.0-85026920827
论文题名:
Amplified contiguous United States summer rainfall variability induced by East Asian monsoon interdecadal change
作者: Zhu Z.; Li T.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2018
卷: 50, 期:2018-09-10
起始页码: 3523
结束页码: 3536
语种: 英语
英文关键词: Asia–North America teleconnection ; Contiguous United States summer rainfall ; Interdecadal change ; Rainfall variability ; Upper-level westerly jet stream
Scopus关键词: decadal variation ; jet stream ; monsoon ; rainfall ; regional climate ; regional pattern ; summer ; teleconnection ; westerly ; Far East ; United States
英文摘要: The strength of the dominant variability of contiguous United States (CONUS) summer rainfall during 1960–2013 experiences an interdecadal change in the early 1990s. Before the early 1990s, the variation in CONUS summer rainfall is relatively small in amplitude (standard deviation: 0.64 mm day−1), whereas after it amplifies remarkably, with its standard deviation (1.31 mm day−1) roughly doubling. Observational diagnoses and simulation results show that enhanced East Asian subtropical monsoon variability plays a direct role in strengthening the CONUS summer rainfall dipole variability. Besides, a northward shift of the East Asian summer monsoon is also responsible for the amplification of the CONUS summer rainfall variability. This northward shift of the East Asian rain belt pushes the rainfall perturbation farther to the north, much closer to the subtropical East Asian upper-level westerly jet stream. As a result, the East Asian subtropical monsoon heating induces the upper-level Asia–North America teleconnection pattern more effectively, leading to the larger amplitude of CONUS summer rainfall variability. © 2017, Springer-Verlag GmbH Germany.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/109299
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Key Laboratory of Meteorological Disaster, Ministry of Education (KLME)/Joint International Research Laboratory of Climate and Environment Change (ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD), Nanjing University of Information Science and Technology, Nanjing, China; Department of Atmospheric Sciences, International Pacific Research Center, IPRC, SOEST, University of Hawaii at Manoa, 1680 East West Road, POST Bldg. 401, Honolulu, HI 96822, United States

Recommended Citation:
Zhu Z.,Li T.. Amplified contiguous United States summer rainfall variability induced by East Asian monsoon interdecadal change[J]. Climate Dynamics,2018-01-01,50(2018-09-10)
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