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	Harmonious inter-decadal changes of july-august upper tropospheric temperature across the north atlantic, eurasian continent, and north pacific
	Zhou Tianjun1; Zhang Jie1,2
刊名	Advances in atmospheric sciences
	2009-07-01
卷号	26期号:4页码:656-665
关键词	Tropospheric temperature Inter-decadal variability Harmonious changes
ISSN号	0256-1530
DOI	10.1007/s00376-009-9020-8
通讯作者	Zhou tianjun(zhoutj@lasg.iap.ac.cn)
英文摘要	The authors have developed an integral view of the inter-decadal variability of july-august (ja) tropospheric temperature across the entire subtropical northern hemisphere. using reanalysis data and complementary balloon-borne measurements, the authors identify one major mode of variability for the period 1958-2001 which exhibits a significant cooling center over east asia and warming centers over the north atlantic and north pacific. the cooling (warming) signals barotropically penetrate through the troposphere, with the strongest anomalies at 200-300 hpa. the amplitude of the cooling over east asia is stronger than that of the warming over the north atlantic (north pacific) by a factor of 2 (3). this dominant mode exhibits a declining tendency for the entire period examined, particularly before 1980. after the mid-1980s, the tendency has leveled off. variations of the harmonious change of ja upper tropospheric temperature represented by the principal component of empirical orthogonal function analysis exhibit significant negative (positive) correlations with sst anomalies in the eastern tropical pacific and the western tropical indian ocean (mid-latitude north pacific). possible mechanisms are discussed.
WOS关键词	SURFACE AIR-TEMPERATURE ; ASIAN SUMMER MONSOON ; TIBETAN PLATEAU ; INTERDECADAL VARIABILITY ; CLIMATE ; CHINA ; TELECONNECTION ; DOWNSTREAM
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:000267773800006
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2402120
专题	中国科学院大学
通讯作者	Zhou Tianjun
作者单位	1.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhou Tianjun,Zhang Jie. Harmonious inter-decadal changes of july-august upper tropospheric temperature across the north atlantic, eurasian continent, and north pacific[J]. Advances in atmospheric sciences,2009,26(4):656-665.
APA	Zhou Tianjun,&Zhang Jie.(2009).Harmonious inter-decadal changes of july-august upper tropospheric temperature across the north atlantic, eurasian continent, and north pacific.Advances in atmospheric sciences,26(4),656-665.
MLA	Zhou Tianjun,et al."Harmonious inter-decadal changes of july-august upper tropospheric temperature across the north atlantic, eurasian continent, and north pacific".Advances in atmospheric sciences 26.4(2009):656-665.

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