A 3000-yr annually laminated stalagmite record of the Last Glacial Maximum from Hulu Cave, China

Fucai Duan; Jiangying Wu; Yongjin Wang; R. Lawrence Edwards; Hai Cheng; Xinggong Kong; Weihong Zhang

doi:10.1016/j.yqres.2015.01.003

A 3000-yr annually laminated stalagmite record of the Last Glacial Maximum from Hulu Cave, China

Fucai Duan, Jiangying Wu, Yongjin Wang, R. Lawrence Edwards, Hai Cheng, Xinggong Kong, Weihong Zhang

Earth and Environmental Sciences-Twin Cities

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

A high-resolution, annual layer-counted and ²³⁰Th-dated multi-proxy record is constructed from a stalagmite in Hulu Cave, China. These proxies, including δ¹⁸O, annual layer thickness (ALT), gray level (GL) and Sr/Ca, cover a time span of ~3000yr from 21 to 24ka. The physical proxies (ALT and GL) and the geochemical index (Sr/Ca), all primarily reflecting karst hydrological processes, vary in concert and their coherence is supported by wavelet analyses. Variations in the δ¹⁸O data agree with fluctuations in the ALT and Sr/Ca records on multi-decadal to centennial scales, suggesting that the Hulu δ¹⁸O signal is strongly associated with varying local rainfall amounts on short timescales. A monsoon failure event at ~22.2ka correlates with a decrease in tropical rainfall, a reduction in global CH₄ and an ice-rafted event in the North Atlantic. This correlation highlights roles of the Asian monsoon and tropical hydrological cycle in modulating global CH₄, because the high-latitude emission was inhibited during the Last Glacial Maximum (LGM). Spectral analysis of the δ¹⁸O record displays peaks at periodicities of 139, 59, 53, 43, 30, 23 and 19-15yr. The absence of typical centennial solar cycles may be related to muted changes in ocean circulation during the LGM.

Original language	English (US)
Pages (from-to)	360-369
Number of pages	10
Journal	Quaternary Research (United States)
Volume	83
Issue number	2
DOIs	https://doi.org/10.1016/j.yqres.2015.01.003
State	Published - Mar 1 2015

Bibliographical note

Funding Information:
We gratefully acknowledge Prof. Christoph Spötl, Prof. Matthew Lachniet and an anonymous reviewer for their thorough reviews, constructive suggestions and comments, and editorial corrections, which greatly improved the overall quality of the manuscript. This work was supported by grants of the National Natural Science Foundation of China (nos. 41130210 , 41372174 and 41172314 ).

Publisher Copyright:
© 2015 University of Washington.

Keywords

East Asian summer monsoon
Hulu Cave
Last Glacial Maximum
Monsoon rainfall
Stalagmite

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title = "A 3000-yr annually laminated stalagmite record of the Last Glacial Maximum from Hulu Cave, China",

abstract = "A high-resolution, annual layer-counted and 230Th-dated multi-proxy record is constructed from a stalagmite in Hulu Cave, China. These proxies, including δ18O, annual layer thickness (ALT), gray level (GL) and Sr/Ca, cover a time span of ~3000yr from 21 to 24ka. The physical proxies (ALT and GL) and the geochemical index (Sr/Ca), all primarily reflecting karst hydrological processes, vary in concert and their coherence is supported by wavelet analyses. Variations in the δ18O data agree with fluctuations in the ALT and Sr/Ca records on multi-decadal to centennial scales, suggesting that the Hulu δ18O signal is strongly associated with varying local rainfall amounts on short timescales. A monsoon failure event at ~22.2ka correlates with a decrease in tropical rainfall, a reduction in global CH4 and an ice-rafted event in the North Atlantic. This correlation highlights roles of the Asian monsoon and tropical hydrological cycle in modulating global CH4, because the high-latitude emission was inhibited during the Last Glacial Maximum (LGM). Spectral analysis of the δ18O record displays peaks at periodicities of 139, 59, 53, 43, 30, 23 and 19-15yr. The absence of typical centennial solar cycles may be related to muted changes in ocean circulation during the LGM.",

keywords = "East Asian summer monsoon, Hulu Cave, Last Glacial Maximum, Monsoon rainfall, Stalagmite",

author = "Fucai Duan and Jiangying Wu and Yongjin Wang and Edwards, {R. Lawrence} and Hai Cheng and Xinggong Kong and Weihong Zhang",

note = "Funding Information: We gratefully acknowledge Prof. Christoph Sp{\"o}tl, Prof. Matthew Lachniet and an anonymous reviewer for their thorough reviews, constructive suggestions and comments, and editorial corrections, which greatly improved the overall quality of the manuscript. This work was supported by grants of the National Natural Science Foundation of China (nos. 41130210 , 41372174 and 41172314 ). Publisher Copyright: {\textcopyright} 2015 University of Washington.",

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AU - Duan, Fucai

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AU - Edwards, R. Lawrence

AU - Cheng, Hai

AU - Kong, Xinggong

AU - Zhang, Weihong

N1 - Funding Information: We gratefully acknowledge Prof. Christoph Spötl, Prof. Matthew Lachniet and an anonymous reviewer for their thorough reviews, constructive suggestions and comments, and editorial corrections, which greatly improved the overall quality of the manuscript. This work was supported by grants of the National Natural Science Foundation of China (nos. 41130210 , 41372174 and 41172314 ). Publisher Copyright: © 2015 University of Washington.

PY - 2015/3/1

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N2 - A high-resolution, annual layer-counted and 230Th-dated multi-proxy record is constructed from a stalagmite in Hulu Cave, China. These proxies, including δ18O, annual layer thickness (ALT), gray level (GL) and Sr/Ca, cover a time span of ~3000yr from 21 to 24ka. The physical proxies (ALT and GL) and the geochemical index (Sr/Ca), all primarily reflecting karst hydrological processes, vary in concert and their coherence is supported by wavelet analyses. Variations in the δ18O data agree with fluctuations in the ALT and Sr/Ca records on multi-decadal to centennial scales, suggesting that the Hulu δ18O signal is strongly associated with varying local rainfall amounts on short timescales. A monsoon failure event at ~22.2ka correlates with a decrease in tropical rainfall, a reduction in global CH4 and an ice-rafted event in the North Atlantic. This correlation highlights roles of the Asian monsoon and tropical hydrological cycle in modulating global CH4, because the high-latitude emission was inhibited during the Last Glacial Maximum (LGM). Spectral analysis of the δ18O record displays peaks at periodicities of 139, 59, 53, 43, 30, 23 and 19-15yr. The absence of typical centennial solar cycles may be related to muted changes in ocean circulation during the LGM.

AB - A high-resolution, annual layer-counted and 230Th-dated multi-proxy record is constructed from a stalagmite in Hulu Cave, China. These proxies, including δ18O, annual layer thickness (ALT), gray level (GL) and Sr/Ca, cover a time span of ~3000yr from 21 to 24ka. The physical proxies (ALT and GL) and the geochemical index (Sr/Ca), all primarily reflecting karst hydrological processes, vary in concert and their coherence is supported by wavelet analyses. Variations in the δ18O data agree with fluctuations in the ALT and Sr/Ca records on multi-decadal to centennial scales, suggesting that the Hulu δ18O signal is strongly associated with varying local rainfall amounts on short timescales. A monsoon failure event at ~22.2ka correlates with a decrease in tropical rainfall, a reduction in global CH4 and an ice-rafted event in the North Atlantic. This correlation highlights roles of the Asian monsoon and tropical hydrological cycle in modulating global CH4, because the high-latitude emission was inhibited during the Last Glacial Maximum (LGM). Spectral analysis of the δ18O record displays peaks at periodicities of 139, 59, 53, 43, 30, 23 and 19-15yr. The absence of typical centennial solar cycles may be related to muted changes in ocean circulation during the LGM.

KW - East Asian summer monsoon

KW - Hulu Cave

KW - Last Glacial Maximum

KW - Monsoon rainfall

KW - Stalagmite

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ER -

A 3000-yr annually laminated stalagmite record of the Last Glacial Maximum from Hulu Cave, China

Abstract

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Keywords

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