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The enso-asian monsoon interaction in a coupled ocean-atmosphere gcm

文献类型:期刊论文

作者Li, Ying; Lu, Riyu; Dong, Buwen
刊名Journal of climate
出版日期2007-10-15
卷号20期号:20页码:5164-5177
ISSN号0894-8755
DOI10.1175/jcli4289.1
通讯作者Li, ying()
英文摘要In this study, the authors evaluate the ( el nino-southern oscillation) enso-asian monsoon interaction in a version of the hadley centre coupled ocean-atmosphere general circulation model ( cgcm) known as hadcm3. the main focus is on two evolving anomalous anticyclones: one located over the south indian ocean ( sio) and the other over the western north pacific ( wnp). these two anomalous anticyclones are closely related to the developing and decaying phases of the enso and play a crucial role in linking the asian monsoon to enso. it is found that the hadcm3 can well simulate the main features of the evolution of both anomalous anticyclones and the related sst dipoles, in association with the different phases of the enso cycle. by using the simulated results, the authors examine the relationship between the wnp/sio anomalous anticyclones and the enso cycle, in particular the biennial component of the relationship. it is found that a strong el nino event tends to be followed by a more rapid decay and is much more likely to become a la nina event in the subsequent winter. the twin anomalous anticyclones in the western pacific in the summer of a decaying el nino are crucial for the transition from an el nino into a la nina. the el nino ( la nina) events, especially the strong ones, strengthen significantly the correspondence between the sio anticyclonic ( cyclonic) anomaly in the preceding autumn and wnp anticyclonic ( cyclonic) anomaly in the subsequent spring, and favor the persistence of the wnp anomaly from spring to summer. the present results suggest that both el nino ( la nina) and the sio/wnp anticyclonic ( cyclonic) anomalies are closely tied with the tropospheric biennial oscillation ( tbo). in addition, variability in the east asian summer monsoon, which is dominated by the internal atmospheric variability, seems to be responsible for the appearance of the wnp anticyclonic anomaly through an upper-tropospheric meridional teleconnection pattern over the western and central pacific.
WOS关键词WESTERN NORTH PACIFIC ; NINO SOUTHERN-OSCILLATION ; EL-NINO ; SUMMER MONSOON ; TROPICAL PACIFIC ; INDIAN-OCEAN ; INTERCOMPARISON PROJECT ; INTERANNUAL VARIABILITY ; BIENNIAL OSCILLATION ; FLUX ADJUSTMENTS
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000250105900010
出版者AMER METEOROLOGICAL SOC
URI标识http://www.irgrid.ac.cn/handle/1471x/2380055
专题中国科学院大学
通讯作者Li, Ying
作者单位1.Chinese Acad Sci, Inst Atmospher Phys, CMSR, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Atmospher Phys, LASG, Beijing, Peoples R China
4.Univ Reading, Walker Inst Climate Syst Res, Reading, Berks, England
5.Natl Ctr Atmospher Sci Climate, Reading, Berks, England
推荐引用方式
GB/T 7714
Li, Ying,Lu, Riyu,Dong, Buwen. The enso-asian monsoon interaction in a coupled ocean-atmosphere gcm[J]. Journal of climate,2007,20(20):5164-5177.
APA Li, Ying,Lu, Riyu,&Dong, Buwen.(2007).The enso-asian monsoon interaction in a coupled ocean-atmosphere gcm.Journal of climate,20(20),5164-5177.
MLA Li, Ying,et al."The enso-asian monsoon interaction in a coupled ocean-atmosphere gcm".Journal of climate 20.20(2007):5164-5177.

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来源:中国科学院大学

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