Timing, Duration, and Transitions of the Last Interglacial Asian Monsoon

Daoxian Yuan, Hai Cheng, Larry Edwards, Carolyn A. Dykoski, Megan J. Kelly, Meiliang Zhang, Jiaming Qing, Yushi Lin, Yongjin Wang, Jiangyin Wu, Jeffery A. Dorale, Zhisheng An, Yanjun Cai

Research output: Contribution to journalArticlepeer-review

805 Scopus citations

Abstract

Thorium-230 ages and oxygen isotope ratios of stalagmites from Dongge Cave, China, characterize the Asian Monsoon and low-latitude precipitation over the past 160,000 years. Numerous abrupt changes in 18O/16O values result from changes in tropical and subtropical precipitation driven by insolation and millennial-scale circulation shifts. The Last Interglacial Monsoon lasted 9.7 ± 1.1 thousand years, beginning with an abrupt (less than 200 years) drop in 18O/16O values 129.3 ± 0.9 thousand years ago and ending with an abrupt (less than 300 years) rise in 18O/16O values 119.6 ± 0.6 thousand years ago. The start coincides with insolation rise and measures of full interglacial conditions, indicating that insolation triggered the final rise to full interglacial conditions.

Original languageEnglish (US)
Pages (from-to)575-578
Number of pages4
JournalScience
Volume304
Issue number5670
DOIs
StatePublished - Apr 23 2004

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