globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00382-017-3976-3
Scopus记录号: 2-s2.0-85032192258
论文题名:
The multidecadal variations of the interannual relationship between the East Asian summer monsoon and ENSO in a coupled model
作者: Liu B.; Huang G.; Hu K.; Wu R.; Gong H.; Wang P.; Zhao G.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2018
卷: 51, 期:2018-05-06
起始页码: 1671
结束页码: 1686
语种: 英语
英文关键词: Coupled climate model ; East Asian Summer monsoon ; ENSO ; Interannual ; Multidecadal variations
Scopus关键词: air-sea interaction ; atmospheric modeling ; decadal variation ; El Nino-Southern Oscillation ; monsoon ; precipitation (climatology) ; summer ; temperature anomaly
英文摘要: This study investigates the multidecadal variations of the interannual relationship between the East Asian summer monsoon (EASM) and El Niño-Southern Oscillation (ENSO) in 1000-year simulation of a coupled climate model. The interannual relationship between ENSO and EASM has experienced pronounced changes throughout the 1000-year simulation. During the periods with significant ENSO-EASM relationship, the ENSO-related circulation anomalies show a Pacific-Japan (PJ)-like pattern with significant wave-activity flux propagating from the tropics to the north in lower troposphere and from the mid-latitudes to the south in upper troposphere. The resultant ENSO-related precipitation anomalies are more (less) than normal over the East Asia (western North Pacific) in the decaying summers of El Niño events. In contrast, the circulation and precipitation anomalies are weak over East Asia-western North Pacific during the periods with weak ENSO-EASM relationship. Based on the energy conversion analysis, the related anomalies achieve barotropic and baroclinic energy from the mean flow during the periods with strong ENSO-EASM relationship. On the contrary, during the low-correlation periods, the energy conversion is too weak to form the link between the tropics and mid-latitudes. The main reason for the multidecadal variations of ENSO-EASM relationship is the amplitude discrepancy of SST anomalies over the Indo-western Pacific Ocean which, in turn, leads to the intensity difference of the western North Pacific anomalous anticyclone (WPAC) and related climate anomalies. © 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/109117
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: State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Science, 9804, Beijing, 100029, China; Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Science, Beijing, 100190, China; Joint Center for Global Change Studies, Beijing, 100875, China; College of Earth Science, University of Chinese Academy of Sciences, Beijing, 100049, China; Laboratory for Regional Oceanography and Numerical Modeling, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China; Beijing Meteorological Observatory, Beijing, 100089, China

Recommended Citation:
Liu B.,Huang G.,Hu K.,et al. The multidecadal variations of the interannual relationship between the East Asian summer monsoon and ENSO in a coupled model[J]. Climate Dynamics,2018-01-01,51(2018-05-06)
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