中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Enso amplitude change in observation and coupled models

文献类型:期刊论文

作者Zhang Qiong2; Guan Yue2,3; Yang Haijun1
刊名Advances in atmospheric sciences
出版日期2008-05-01
卷号25期号:3页码:361-366
关键词Enso variability Global warming Thermocline Equatorial pacific
ISSN号0256-1530
DOI10.1007/s00376-008-0361-5
通讯作者Yang haijun(hjyang@pku.edu.cn)
英文摘要Observations show that the tropical el ni (n) over tildeo-southern oscillation (enso) variability, after removing both the long term trend and decadal change of the background climate, has been enhanced by as much as 60% during the past 50 years. this shift in enso amplitude can be related to mean state changes in global climate. past global warming has caused a weakening of the walker circulation over the equatorial indo-pacific oceans, as well as a weakening of the trade winds and a reduction in the equatorial upwelling. these changes in tropical climatology play as stabilizing factors of the tropical coupling system. however, the shallower and strengthening thermocline in the equatorial pacific increases the sst sensitivity to thermocline and wind stress variabilities and tend to destabilize the tropical coupling system. observations suggest that the destabilizing factors, such as the strengthening thermocline, may have overwhelmed the stabilizing effects of the atmosphere, and played a deterministic role in the enhanced enso variability, at least during the past half century. this is different from the recent assessment of ipcc-ar4 coupled models.
WOS关键词NINO-SOUTHERN OSCILLATION ; EL-NINO ; MULTIMODEL ENSEMBLE ; CLIMATE MODELS ; VARIABILITY ; CIRCULATION ; CYCLE
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000255723900003
出版者SCIENCE PRESS
URI标识http://www.irgrid.ac.cn/handle/1471x/2390003
专题中国科学院大学
通讯作者Yang Haijun
作者单位1.Peking Univ, Dept Atmospher Sci, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Zhang Qiong,Guan Yue,Yang Haijun. Enso amplitude change in observation and coupled models[J]. Advances in atmospheric sciences,2008,25(3):361-366.
APA Zhang Qiong,Guan Yue,&Yang Haijun.(2008).Enso amplitude change in observation and coupled models.Advances in atmospheric sciences,25(3),361-366.
MLA Zhang Qiong,et al."Enso amplitude change in observation and coupled models".Advances in atmospheric sciences 25.3(2008):361-366.

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来源:中国科学院大学

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