Chinese cave records and the east asia summer monsoon

Zhengyu Liu; Xinyu Wen; E. C. Brady; B. Otto-Bliesner; Ge Yu; Huayu Lu; Hai Cheng; Yongjin Wang; Weipeng Zheng; Yihui Ding; R. L. Edwards; Jun Cheng; Wei Liu; Hao Yang

doi:10.1016/j.quascirev.2013.10.021

Chinese cave records and the east asia summer monsoon

Zhengyu Liu, Xinyu Wen, E. C. Brady, B. Otto-Bliesner, Ge Yu, Huayu Lu, Hai Cheng, Yongjin Wang, Weipeng Zheng, Yihui Ding, R. L. Edwards, Jun Cheng, Wei Liu, Hao Yang

Earth and Environmental Sciences-Twin Cities

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

452 Scopus citations

Abstract

Speleothem records in southeastern China provide key evidence for past environmental changes. However, the climatic interpretation of these proxies has remained a great controversy. Earlier work interprets the cave δ¹⁸O signal associated with regional rainfall of the East Asia Summer Monsoon (EASM) or monsoon rainfall upstream of China. Recent isotope modeling supports the latter but show little correspondence between the precipitation δ¹⁸O and rainfall in China. Here, we examine the evolution of the climate and precipitation δ¹⁸O for the last 21,000 years in models and observations. Recognizing the regional difference of the EASM rainfall, we propose an interpretation of the Chinese δ¹⁸O record that reconciles its representativeness of EASM and its driving mechanism of upstream depletion. The δ¹⁸O records do represent the intensity of the EASM system. The monsoon intensity is best characterized by enhanced southerly monsoon winds, which correlate strongly with negative δ¹⁸O over China and enhanced monsoon rainfall in northern China, as well as the continental scale Asian monsoon rainfall response in the upstream regions.

Original language	English (US)
Pages (from-to)	115-128
Number of pages	14
Journal	Quaternary Science Reviews
Volume	83
DOIs	https://doi.org/10.1016/j.quascirev.2013.10.021
State	Published - Jan 1 2014

Bibliographical note

Funding Information:
The authors would like to thank the helpful discussions with Drs. D. Battisti, Ming Tan, Shaowu Wang and Zhishen An. This research is funded by NSFC41130105 , CAS/SAFEA International Project (KZZD-EW-TZ-08) , NSFC41230524 , NSFC40921120406 and US NSF and DOE . The computation is carried out at Oak Ridge National Lab and the NCAR supercomputing facility. This paper is CCR contribution 1162.

Keywords

Climate modeling
East Asia summer monsoon
Isotope modeling
Oxygen isotope

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title = "Chinese cave records and the east asia summer monsoon",

abstract = "Speleothem records in southeastern China provide key evidence for past environmental changes. However, the climatic interpretation of these proxies has remained a great controversy. Earlier work interprets the cave δ18O signal associated with regional rainfall of the East Asia Summer Monsoon (EASM) or monsoon rainfall upstream of China. Recent isotope modeling supports the latter but show little correspondence between the precipitation δ18O and rainfall in China. Here, we examine the evolution of the climate and precipitation δ18O for the last 21,000 years in models and observations. Recognizing the regional difference of the EASM rainfall, we propose an interpretation of the Chinese δ18O record that reconciles its representativeness of EASM and its driving mechanism of upstream depletion. The δ18O records do represent the intensity of the EASM system. The monsoon intensity is best characterized by enhanced southerly monsoon winds, which correlate strongly with negative δ18O over China and enhanced monsoon rainfall in northern China, as well as the continental scale Asian monsoon rainfall response in the upstream regions.",

keywords = "Climate modeling, East Asia summer monsoon, Isotope modeling, Oxygen isotope",

author = "Zhengyu Liu and Xinyu Wen and Brady, {E. C.} and B. Otto-Bliesner and Ge Yu and Huayu Lu and Hai Cheng and Yongjin Wang and Weipeng Zheng and Yihui Ding and Edwards, {R. L.} and Jun Cheng and Wei Liu and Hao Yang",

note = "Funding Information: The authors would like to thank the helpful discussions with Drs. D. Battisti, Ming Tan, Shaowu Wang and Zhishen An. This research is funded by NSFC41130105 , CAS/SAFEA International Project (KZZD-EW-TZ-08) , NSFC41230524 , NSFC40921120406 and US NSF and DOE . The computation is carried out at Oak Ridge National Lab and the NCAR supercomputing facility. This paper is CCR contribution 1162.",

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T1 - Chinese cave records and the east asia summer monsoon

AU - Liu, Zhengyu

AU - Wen, Xinyu

AU - Brady, E. C.

AU - Otto-Bliesner, B.

AU - Yu, Ge

AU - Lu, Huayu

AU - Cheng, Hai

AU - Wang, Yongjin

AU - Zheng, Weipeng

AU - Ding, Yihui

AU - Edwards, R. L.

AU - Cheng, Jun

AU - Liu, Wei

AU - Yang, Hao

N1 - Funding Information: The authors would like to thank the helpful discussions with Drs. D. Battisti, Ming Tan, Shaowu Wang and Zhishen An. This research is funded by NSFC41130105 , CAS/SAFEA International Project (KZZD-EW-TZ-08) , NSFC41230524 , NSFC40921120406 and US NSF and DOE . The computation is carried out at Oak Ridge National Lab and the NCAR supercomputing facility. This paper is CCR contribution 1162.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - Speleothem records in southeastern China provide key evidence for past environmental changes. However, the climatic interpretation of these proxies has remained a great controversy. Earlier work interprets the cave δ18O signal associated with regional rainfall of the East Asia Summer Monsoon (EASM) or monsoon rainfall upstream of China. Recent isotope modeling supports the latter but show little correspondence between the precipitation δ18O and rainfall in China. Here, we examine the evolution of the climate and precipitation δ18O for the last 21,000 years in models and observations. Recognizing the regional difference of the EASM rainfall, we propose an interpretation of the Chinese δ18O record that reconciles its representativeness of EASM and its driving mechanism of upstream depletion. The δ18O records do represent the intensity of the EASM system. The monsoon intensity is best characterized by enhanced southerly monsoon winds, which correlate strongly with negative δ18O over China and enhanced monsoon rainfall in northern China, as well as the continental scale Asian monsoon rainfall response in the upstream regions.

AB - Speleothem records in southeastern China provide key evidence for past environmental changes. However, the climatic interpretation of these proxies has remained a great controversy. Earlier work interprets the cave δ18O signal associated with regional rainfall of the East Asia Summer Monsoon (EASM) or monsoon rainfall upstream of China. Recent isotope modeling supports the latter but show little correspondence between the precipitation δ18O and rainfall in China. Here, we examine the evolution of the climate and precipitation δ18O for the last 21,000 years in models and observations. Recognizing the regional difference of the EASM rainfall, we propose an interpretation of the Chinese δ18O record that reconciles its representativeness of EASM and its driving mechanism of upstream depletion. The δ18O records do represent the intensity of the EASM system. The monsoon intensity is best characterized by enhanced southerly monsoon winds, which correlate strongly with negative δ18O over China and enhanced monsoon rainfall in northern China, as well as the continental scale Asian monsoon rainfall response in the upstream regions.

KW - Climate modeling

KW - East Asia summer monsoon

KW - Isotope modeling

KW - Oxygen isotope

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ER -

Chinese cave records and the east asia summer monsoon

Abstract

Bibliographical note

Keywords

UN SDGs

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