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

Zhisheng An; Steven M. Colman; Weijian Zhou; Xiaoqiang Li; Erik 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 Li; Xiuju Liu; Libin Yan; Zhengguo Shi; Xulong Wang; Feng Wu; Xiaoke Qiang; Jibao Dong; Fengyan Lu; Xinwen Xu

doi:10.1038/srep00619

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

Zhisheng An, Steven M. Colman, Weijian Zhou, Xiaoqiang Li, Erik 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 language	English (US)
Article number	619
Journal	Scientific reports
Volume	2
DOIs	https://doi.org/10.1038/srep00619
State	Published - 2012

Bibliographical note

Funding Information:
We thank Professors Guoxiong Wu, John Kutzbach, Gorge Denton and Steve Clemens for discussion and valuable suggestions and Professors Sumin Wang, Stephen C. Porter, Ji Shen, Liping Zhou, Peizhen Zhang, Jule Xiao and Li Li for kind help in this study. This work was jointly funded by the International Continental Drilling Program, the National Natural Science Foundation of China, the Ministry of Science and Technology of China, Chinese Academy of Sciences and the U.S. National Science Foundation.

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An, Z., Colman, S. M., Zhou, W., Li, X., Brown, E. T., Jull, A. J. T., 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., ... Xu, X. (2012). Interplay between the Westerlies and Asian monsoon recorded in Lake Qinghai sediments since 32 ka. Scientific reports, 2, Article 619. https://doi.org/10.1038/srep00619

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

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title = "Interplay between the Westerlies and Asian monsoon recorded in Lake Qinghai sediments since 32 ka",

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.",

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

note = "Funding Information: We thank Professors Guoxiong Wu, John Kutzbach, Gorge Denton and Steve Clemens for discussion and valuable suggestions and Professors Sumin Wang, Stephen C. Porter, Ji Shen, Liping Zhou, Peizhen Zhang, Jule Xiao and Li Li for kind help in this study. This work was jointly funded by the International Continental Drilling Program, the National Natural Science Foundation of China, the Ministry of Science and Technology of China, Chinese Academy of Sciences and the U.S. National Science Foundation.",

year = "2012",

doi = "10.1038/srep00619",

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AU - An, Zhisheng

AU - Colman, Steven M.

AU - Zhou, Weijian

AU - Li, Xiaoqiang

AU - Brown, Erik T

AU - Jull, A. J.Timothy

AU - Cai, Yanjun

AU - Huang, Yongsong

AU - Lu, Xuefeng

AU - Chang, Hong

AU - Song, Yougui

AU - Sun, Youbin

AU - Xu, Hai

AU - Liu, Weiguo

AU - Jin, Zhangdong

AU - Liu, Xiaodong

AU - Cheng, Peng

AU - Liu, Yu

AU - Ai, Li

AU - Li, Xiangzhong

AU - Liu, Xiuju

AU - Yan, Libin

AU - Shi, Zhengguo

AU - Wang, Xulong

AU - Wu, Feng

AU - Qiang, Xiaoke

AU - Dong, Jibao

AU - Lu, Fengyan

AU - Xu, Xinwen

N1 - Funding Information: We thank Professors Guoxiong Wu, John Kutzbach, Gorge Denton and Steve Clemens for discussion and valuable suggestions and Professors Sumin Wang, Stephen C. Porter, Ji Shen, Liping Zhou, Peizhen Zhang, Jule Xiao and Li Li for kind help in this study. This work was jointly funded by the International Continental Drilling Program, the National Natural Science Foundation of China, the Ministry of Science and Technology of China, Chinese Academy of Sciences and the U.S. National Science Foundation.

PY - 2012

Y1 - 2012

N2 - 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.

AB - 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.

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JO - Scientific reports

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ER -

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

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