气候变化领域集成服务门户(CCPortal): Interdecadal change in the South China Sea summer monsoon withdrawal around the mid-2000s

CCPortal

DOI	10.1007/s00382-018-4494-7
	Interdecadal change in the South China Sea summer monsoon withdrawal around the mid-2000s
	Hu P.; Chen W.; Chen S.
发表日期	2019
ISSN	0930-7575
起始页码	6053
结束页码	6064
卷号	52 期号:2020-09-10
英文摘要	In this study, a significant interdecadal change in the South China Sea (SCS) summer monsoon (SCSSM) withdrawal, which occurred around the mid-2000s, is revealed using NCEP-DOE reanalysis, CMAP rainfall, and OLR data. The withdrawal of the SCSSM occurred much later (about 2 weeks) after the mid-2000s. The westerlies and rainfall are stronger around the SCS during the period after the mid-2000s compared to those that occurred before the mid-2000s, which is consistent with the delayed SCSSM withdrawal. The robust and significant increases in rainfall and convection around the SCS and Philippine Sea are dynamically associated with the appearance of an anomalous low-level cyclone around the northern SCS, and the anomalous westerlies at approximately 10°N extend eastward from the Indo-China Peninsula to the western North Pacific (WNP). Anomalous mid-level ascending motion and upper-level divergence were also observed around the Philippine Sea, together with anomalous descending motion and upper-level convergence over the equatorial eastern Indian Ocean. Correspondingly, an anomalous zonal circulation formed between the WNP (upward motion) and eastern Indian Ocean (downward motion). Further analysis indicates that the increasing number and frequent visits to the SCS by the tropical cyclones and enhanced quasi-biweekly oscillation activities may both contribute to the delayed SCSSM withdrawal around the mid-2000s. © 2018, Springer-Verlag GmbH Germany, part of Springer Nature.
英文关键词	Interdecadal change; Intraseasonal oscillations; South China Sea; Summer monsoon withdrawal; Tropical cyclones
语种	英语
scopus关键词	climate change; decadal variation; monsoon; rainfall; summer; tropical cyclone; westerly; Indochina; Pacific Ocean; Pacific Ocean (North); Philippine Sea; South China Sea
来源期刊	Climate Dynamics
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/146297
作者单位	Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
推荐引用方式 GB/T 7714	Hu P.,Chen W.,Chen S.. Interdecadal change in the South China Sea summer monsoon withdrawal around the mid-2000s[J],2019,52(2020-09-10).
APA	Hu P.,Chen W.,&Chen S..(2019).Interdecadal change in the South China Sea summer monsoon withdrawal around the mid-2000s.Climate Dynamics,52(2020-09-10).
MLA	Hu P.,et al."Interdecadal change in the South China Sea summer monsoon withdrawal around the mid-2000s".Climate Dynamics 52.2020-09-10(2019).