IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Response of Asian summer monsoon duration to orbital forcing under glacial and interglacial conditions: Implication for precipitation variability in geological records
Shi, Zhengguo1,2,3
2016-05-01
Source PublicationQUATERNARY SCIENCE REVIEWS
Volume139Issue:2016Pages:30-42
SubtypeReview
AbstractThe responses of Asian summer monsoon and associated precipitation to orbital forcing have been intensively explored during the past 30 years, but debate still exists regarding whether or not the Asian monsoon is controlled by northern or southern summer insolation on the precessional timescale. Various modeling studies have been conducted that support the potential roles played by the insolation in both hemispheres. Among these previous studies, however, the main emphasis has been on the Asian monsoon intensity, with the response of monsoon duration having received little consideration. In the present study, the response of the rainy season duration over different monsoon areas to orbital forcing and its contribution to total annual precipitation are evaluated using an atmospheric general circulation model. The results show that the durations of the rainy seasons, especially their withdrawal, in northern East Asia and the India-Bay of Bengal region, are sensitive to precession change under interglacial-like conditions. Compared to those during stronger boreal summer insolation, the Asian monsoon associated rainy seasons at weaker insolation last longer, although the peak intensity is smaller. This longer duration of rainfall, which results from the change in land-ocean thermal contrast associated with atmospheric diabatic heating, can counterbalance the weakened intensity in certain places and induce an opposite response of total annual precipitation. However, the duration effect of Asian monsoon is limited under glacial-like conditions. Nevertheless, monsoon duration is a factor that can dominate the orbital scale variability of Asian monsoon, alongside the intensity, and it should therefore receive greater attention when attempting to explain orbital-scale monsoon change. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordAsian Monsoon Orbital Forcing Monsoon Onset/withdrawal Annual Precipitation Numerical Simulation
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.quascirev.2016.03.008
WOS KeywordINDIAN MONSOON ; ARABIAN SEA ; GLOBAL MONSOON ; LOESS PLATEAU ; CENTRAL CHINA ; CAVE RECORDS ; CLIMATE ; INSOLATION ; HOLOCENE ; PRECESSION
Indexed BySCI
Language英语
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000374606100003
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5758
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Joint Ctr Global Change Studies, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Shi, Zhengguo. Response of Asian summer monsoon duration to orbital forcing under glacial and interglacial conditions: Implication for precipitation variability in geological records[J]. QUATERNARY SCIENCE REVIEWS,2016,139(2016):30-42.
APA Shi, Zhengguo.(2016).Response of Asian summer monsoon duration to orbital forcing under glacial and interglacial conditions: Implication for precipitation variability in geological records.QUATERNARY SCIENCE REVIEWS,139(2016),30-42.
MLA Shi, Zhengguo."Response of Asian summer monsoon duration to orbital forcing under glacial and interglacial conditions: Implication for precipitation variability in geological records".QUATERNARY SCIENCE REVIEWS 139.2016(2016):30-42.
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