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Orbital-scale nonlinear response of East Asian summer monsoon to its potential driving forces in the late Quaternary
Yi, Liang1; Shi, Zhengguo2,3; Tan, Liangcheng2; Deng, Chenglong4,5
2018-03-01
Source PublicationCLIMATE DYNAMICS
Volume50Issue:5-6Pages:2183-2197
SubtypeArticle
AbstractWe conducted a statistical study to characterize the nonlinear response of the East Asian summer monsoon (EASM) to its potential forcing factors over the last 260 ka on orbital timescales. We find that both variation in solar insolation and global ice volume were responsible for the nonlinear forcing of orbital-scale monsoonal variations, accounting for similar to 80% of the total variance. Specifically, EASM records with dominated precession variance exhibit a more sensitive response to changes in solar insolation during intervals of enhanced monsoon strength, but are less sensitive during intervals of reduced monsoon strength. In the case of global ice volume with 100-ka variance, this difference is not one of sensitivity but rather a difference in baseline conditions, such as the relative areas of land and sea which affected the land-sea thermal gradient. We therefore suggest that EASM records with dominated precession variance recorded the signal of a shift in the location of the Inter-tropical Convergence Zone, and the associated changes in the incidence of torrential rainfall; while for proxies with dominated 100-ka variance, it recorded changes in the land-sea thermal gradient via its effects on non-torrential precipitation.
KeywordEast Asian Summer Monsoon (Easm) Nonlinear Response Statistical Analysis Orbital Timescale The Late Quaternary
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s00382-017-3743-5
WOS KeywordWESTERN NORTH PACIFIC ; TROPICAL CYCLONE ACTIVITY ; ICE-AGE TERMINATIONS ; LAST GLACIAL MAXIMUM ; GLOBAL MONSOON ; CLIMATE-CHANGE ; PALEOCLIMATE RESEARCH ; ESTIMATING RECHARGE ; TYPHOON ACTIVITY ; HIGH-RESOLUTION
Indexed BySCI
Language英语
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000426707100040
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5198
Collection现代环境研究室
Affiliation1.Tongji Univ, State Key Lab Marine Geol, Siping Rd 1239, Shanghai 200092, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, 19 Bei Tu Cheng Xi Lu, Beijing 100029, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yi, Liang,Shi, Zhengguo,Tan, Liangcheng,et al. Orbital-scale nonlinear response of East Asian summer monsoon to its potential driving forces in the late Quaternary[J]. CLIMATE DYNAMICS,2018,50(5-6):2183-2197.
APA Yi, Liang,Shi, Zhengguo,Tan, Liangcheng,&Deng, Chenglong.(2018).Orbital-scale nonlinear response of East Asian summer monsoon to its potential driving forces in the late Quaternary.CLIMATE DYNAMICS,50(5-6),2183-2197.
MLA Yi, Liang,et al."Orbital-scale nonlinear response of East Asian summer monsoon to its potential driving forces in the late Quaternary".CLIMATE DYNAMICS 50.5-6(2018):2183-2197.
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