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	Interdecadal variability of the east asian summer monsoon in an agcm
	Han, Jinping; Wang, HuiJun
刊名	Advances in atmospheric sciences
	2007-09-01
卷号	24期号:5页码:808-818
关键词	Global sea surface temperature Sea ice East asian summer monsoon Interdecadal change
ISSN号	0256-1530
DOI	10.1007/s00376-007-0808-0
通讯作者	Han, jinping(hanjp@mail.iap.ac.cn)
英文摘要	It is well known that significant interdecadal variation of the east asian summer monsoon (easm) occurred around the end of the 1970s. whether these variations can be attributed to the evolution of global sea surface temperature (sst) and sea ice concentration distribution is investigated with an atmospheric general circulation model (agcm). the model is forced with observed monthly global sst and sea ice evolution through 1958-1999. a total of four integrations starting from different initial conditions are carried out. it is found that only one of these reproduces the observed interdecadal changes of the easm after the 1970s, including weakened low-level meridional wind, decreased surface air temperature and increased sea level pressure in central china, as well as the southwestward shift of the western pacific subtropical high ridge and the strengthened 200-hpa westerlies. this discrepancy among these simulated results suggests that the interdecadal variation of the easm cannot be accounted for by historical global sst and sea ice evolution. thus, the possibility that the interdecadal timescale change of monsoon is a natural variability of the coupled climate system evolution cannot be excluded.
WOS关键词	NORTH PACIFIC ; SNOW COVER ; CHINA ; CLIMATE ; RAINFALL ; CIRCULATION ; PLATEAU ; IMPACT ; DEPTH ; ENSO
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000249569100006
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2382870
专题	中国科学院大学
通讯作者	Han, Jinping
作者单位	1.Chinese Acad Sci, Inst Atmospher Phys, Nansen Zhu Int Res Ctr NZC, Beijing 100029, Peoples R China 2.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Han, Jinping,Wang, HuiJun. Interdecadal variability of the east asian summer monsoon in an agcm[J]. Advances in atmospheric sciences,2007,24(5):808-818.
APA	Han, Jinping,&Wang, HuiJun.(2007).Interdecadal variability of the east asian summer monsoon in an agcm.Advances in atmospheric sciences,24(5),808-818.
MLA	Han, Jinping,et al."Interdecadal variability of the east asian summer monsoon in an agcm".Advances in atmospheric sciences 24.5(2007):808-818.

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