Interplay between the Westerlies and Asian monsoon recorded in Lake Qinghai sediments since 32 ka

Zhisheng An, Steven M. Colman, Weijian Zhou, Xiaoqiang Li, Eric T. Brown, A.J. Timothy Jull, Yanjun Cai, Yongsong Huang, Xuefeng Lu, Hong Chang, Yougui Song, Youbin Sun, Hai Xu, Weiguo Liu, Zhangdong Jin, Xiaodong Liu, Peng Cheng, Yu Liu, Li Ai, Xiangzhong LiXiuju Liu, Libin Yan, Zhengguo Shi, Xulong Wang, Feng Wu, Xiaoke Qiang, Jibao Dong, Fengyan Lu, Xinwen Xu

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Abstract

Two atmospheric circulation systems, the mid-latitude Westerlies and the Asian summer monsoon (ASM), play key roles in northern-hemisphere climatic changes. However, the variability of the Westerlies in Asia and their relationship to the ASM remain unclear. Here, we present the longest and highest-resolution drill core from Lake Qinghai on the northeastern Tibetan Plateau (TP), which uniquely records the variability of both the Westerlies and the ASM since 32ĝ€...ka, reflecting the interplay of these two systems. These records document the anti-phase relationship of the Westerlies and the ASM for both glacial-interglacial and glacial millennial timescales. During the last glaciation, the influence of the Westerlies dominated; prominent dust-rich intervals, correlated with Heinrich events, reflect intensified Westerlies linked to northern high-latitude climate. During the Holocene, the dominant ASM circulation, punctuated by weak events, indicates linkages of the ASM to orbital forcing, North Atlantic abrupt events, and perhaps solar activity changes.

Original languageEnglish (US)
Article number619
JournalScientific Reports
Volume2
DOIs
StatePublished - 2012

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Solar Activity
Mandrillus
Lakes
Dust
Climate

ASJC Scopus subject areas

  • General

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Interplay between the Westerlies and Asian monsoon recorded in Lake Qinghai sediments since 32 ka. / An, Zhisheng; Colman, Steven M.; Zhou, Weijian; Li, Xiaoqiang; Brown, Eric T.; Jull, A.J. Timothy; Cai, Yanjun; Huang, Yongsong; Lu, Xuefeng; Chang, Hong; Song, Yougui; Sun, Youbin; Xu, Hai; Liu, Weiguo; Jin, Zhangdong; Liu, Xiaodong; Cheng, Peng; Liu, Yu; Ai, Li; Li, Xiangzhong; Liu, Xiuju; Yan, Libin; Shi, Zhengguo; Wang, Xulong; Wu, Feng; Qiang, Xiaoke; Dong, Jibao; Lu, Fengyan; Xu, Xinwen.

In: Scientific Reports, Vol. 2, 619, 2012.

Research output: Contribution to journalArticle

An, Z, Colman, SM, Zhou, W, Li, X, Brown, ET, Jull, AJT, Cai, Y, Huang, Y, Lu, X, Chang, H, Song, Y, Sun, Y, Xu, H, Liu, W, Jin, Z, Liu, X, Cheng, P, Liu, Y, Ai, L, Li, X, Liu, X, Yan, L, Shi, Z, Wang, X, Wu, F, Qiang, X, Dong, J, Lu, F & Xu, X 2012, 'Interplay between the Westerlies and Asian monsoon recorded in Lake Qinghai sediments since 32 ka', Scientific Reports, vol. 2, 619. https://doi.org/10.1038/srep00619
An, Zhisheng ; Colman, Steven M. ; Zhou, Weijian ; Li, Xiaoqiang ; Brown, Eric T. ; Jull, A.J. Timothy ; Cai, Yanjun ; Huang, Yongsong ; Lu, Xuefeng ; Chang, Hong ; Song, Yougui ; Sun, Youbin ; Xu, Hai ; Liu, Weiguo ; Jin, Zhangdong ; Liu, Xiaodong ; Cheng, Peng ; Liu, Yu ; Ai, Li ; Li, Xiangzhong ; Liu, Xiuju ; Yan, Libin ; Shi, Zhengguo ; Wang, Xulong ; Wu, Feng ; Qiang, Xiaoke ; Dong, Jibao ; Lu, Fengyan ; Xu, Xinwen. / Interplay between the Westerlies and Asian monsoon recorded in Lake Qinghai sediments since 32 ka. In: Scientific Reports. 2012 ; Vol. 2.
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AU - Jull, A.J. Timothy

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AU - Yan, Libin

AU - Shi, Zhengguo

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AU - Qiang, Xiaoke

AU - Dong, Jibao

AU - Lu, Fengyan

AU - Xu, Xinwen

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