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Northward extent of East Asian monsoon covaries with intensity on orbital and millennial timescales
Goldsmith, Yonaton1; Broecker, Wallace S.1; Xu, Hai2; Polissar, Pratigya J.1; Demenocal, Peter B.1; Porat, Naomi3; Lan, Jianghu2; Cheng, Peng2; Zhou, Weijian2; An, Zhisheng2
2017-02-21
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume114Issue:8Pages:1817-1821
SubtypeArticle
AbstractThe magnitude, rate, and extent of past and future East Asian monsoon (EAM) rainfall fluctuations remain unresolved. Here, late Pleistocene-Holocene EAM rainfall intensity is reconstructed using a well-dated northeastern China closed-basin lake area record located at the modern northwestern fringe of the EAM. The EAM intensity and northern extent alternated rapidly between wet and dry periods on time scales of centuries. Lake levels were 60 mhigher than present during the early andmiddle Holocene, requiring a twofold increase in annual rainfall, which, based on modern rainfall distribution, requires a similar to 400 km northward expansion/migration of the EAM. The lake record is highly correlated with both northern and southern Chinese cave deposit isotope records, supporting rainfall "intensity based"interpretations of these deposits as opposed to an alternative "water vapor sourcing"interpretation. These results indicate that EAM intensity and the northward extent covary on orbital and millennial timescales. The termination of wet conditions at 5.5 ka BP (similar to 35 m lake drop) triggered a large cultural collapse of Early Neolithic cultures in north China, and possibly promoted the emergence of complex societies of the Late Neolithic.
KeywordEast Asian Monsoon Closed-basin Lake Paleo-rainfall Chinese Cave Record Northward Expansion
WOS HeadingsScience & Technology
DOI10.1073/pnas.1616708114
WOS KeywordHUNSHANDAKE SANDY LAND ; LAST GLACIAL MAXIMUM ; CHINESE CAVE RECORDS ; SUMMER MONSOON ; INNER-MONGOLIA ; SAMPLE PREPARATION ; HIGH-RESOLUTION ; HOLOCENE ; SIMULATIONS ; EVAPORATION
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000395099500050
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5523
Collection现代环境研究室
Affiliation1.Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
3.Geol Survey Israel, IL-95501 Jerusalem, Israel
Recommended Citation
GB/T 7714
Goldsmith, Yonaton,Broecker, Wallace S.,Xu, Hai,et al. Northward extent of East Asian monsoon covaries with intensity on orbital and millennial timescales[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2017,114(8):1817-1821.
APA Goldsmith, Yonaton.,Broecker, Wallace S..,Xu, Hai.,Polissar, Pratigya J..,Demenocal, Peter B..,...&An, Zhisheng.(2017).Northward extent of East Asian monsoon covaries with intensity on orbital and millennial timescales.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,114(8),1817-1821.
MLA Goldsmith, Yonaton,et al."Northward extent of East Asian monsoon covaries with intensity on orbital and millennial timescales".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 114.8(2017):1817-1821.
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