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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
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷号114期号:8页码:1817-1821
文章类型Article
摘要The 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.
关键词East Asian Monsoon Closed-basin Lake Paleo-rainfall Chinese Cave Record Northward Expansion
WOS标题词Science & Technology
DOI10.1073/pnas.1616708114
关键词[WOS]HUNSHANDAKE SANDY LAND ; LAST GLACIAL MAXIMUM ; CHINESE CAVE RECORDS ; SUMMER MONSOON ; INNER-MONGOLIA ; SAMPLE PREPARATION ; HIGH-RESOLUTION ; HOLOCENE ; SIMULATIONS ; EVAPORATION
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000395099500050
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被引频次:32[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5523
专题现代环境研究室
作者单位1.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
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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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