气候变化领域集成服务门户(CCPortal): Interannual relationship between the west asian and east asian jet meridional displacements in summer

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DOI	10.1175/JCLI-D-20-0030.1
	Interannual relationship between the west asian and east asian jet meridional displacements in summer
	Hong X.; Lu R.; Li S.
发表日期	2021
ISSN	0894-8755
起始页码	621
结束页码	633
卷号	34 期号:2
英文摘要	The meridional displacements of the upper-tropospheric westerly jet streams over both West Asia and East Asia (WJMD and EJMD, respectively) in summer manifest as the leading pattern of the zonal wind anomalies over their local domains on the interannual time scale. This study identifies a significant interannual relationship between these two leading patterns, tending to displace in the same meridional direction, either northward or southward. It is shown that the Silk Road pattern, which is a zonal teleconnection pattern along the Asian jet, is an important modulator for the WJMD-EJMD relationship. Another factor is the precipitation anomalies over a broad tropical region, including the Indian subcontinent, the northern Indian Ocean, and the western North Pacific Ocean. Enhanced or suppressed tropical precipitation respectively induces a northward or southward displacement of the primary body of the jet stream from West Asia to East Asia, which contributes to the in-phase WJMD-EJMD relationship, as suggested by both the observations and simple model results. The SST anomalies associated with the tropical precipitation and in-phase WJMD-EJMD relationship are also discussed. The WJMD-EJMD relationship may have an important implication for identifying and explaining the teleconnections of rainfall and temperature over the broad area from West Asia to East Asia, and from the tropics to the extratropics. © 2020 American Meteorological Society. For information regarding reuse of this content and general copyright information, consult the AMS Copyright Policy (www.ametsoc.org/PUBSReuseLicenses).
英文关键词	Oceanography; Indian subcontinents; Interannual time scale; Meridional displacements; Northern indian oceans; Precipitation anomalies; Teleconnection patterns; Tropical precipitation; Western North Pacific; Tropics; annual variation; displacement; jet stream; meridional circulation; precipitation assessment; summer; teleconnection; zonal wind; Far East; India; Indian Ocean; Indian Ocean (North); Pacific Ocean; Pacific Ocean (North); West Asia
语种	英语
来源期刊	Journal of Climate
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170959
作者单位	Climate Change Research Center, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; KLME, CIC-FEMD, Nanjing University of Information Science and Technology, Nanjing, China; State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; College of Earth and Planetary Sciences, University of the Chinese, Academy of Sciences, Beijing, China; Department of Atmospheric Science, School of Environmental Studies, China University of Geosciences, Wuhan, China
推荐引用方式 GB/T 7714	Hong X.,Lu R.,Li S.. Interannual relationship between the west asian and east asian jet meridional displacements in summer[J],2021,34(2).
APA	Hong X.,Lu R.,&Li S..(2021).Interannual relationship between the west asian and east asian jet meridional displacements in summer.Journal of Climate,34(2).
MLA	Hong X.,et al."Interannual relationship between the west asian and east asian jet meridional displacements in summer".Journal of Climate 34.2(2021).