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
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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 |
DOI | 10.1007/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 |
推荐引用方式 GB/T 7714 | 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. |
入库方式: iSwitch采集
来源:中国科学院大学
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