globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85061457953
论文题名:
Is Chinese stalagmite δ 18 O solely controlled by the Indian summer monsoon?
作者: Li D.; Tan L.; Cai Y.; Jiang X.; Ma L.; Cheng H.; Edwards R.L.; Zhang H.; Gao Y.; An Z.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2019
语种: 英语
英文关键词: Chinese stalagmite ; East Asian summer monsoon ; Heinrich events ; Indian summer monsoon ; δ 18 O
英文摘要: As a unique continental archive, speleothem has been widely used in reconstructing paleoclimate change. However, the interpretation of Chinese speleothems δ 18 O has remained a subject of debate. Recently, a Community Atmosphere Model version 3 (CAM3) study indicated that the stalagmite δ 18 O from eastern China reflected the Indian summer monsoon (ISM) intensity rather than the East Asian summer monsoon (EASM) intensity during Heinrich events. Here, we present a high-resolution speleothem δ 18 O record from Xianglong Cave in Shaanxi province, China, covering the period of 25.5–10.9 ka BP. The XL15 record shows similar variations with ice core record from Greenland and other climate records from China and India on millennial scale, including Heinrich 2 (H2), Heinrich 1 (H1), Bølling–Allerød (BA) and Younger Dryas (YD) events, supporting the connection between the Asian monsoon and northern high latitude climate. The δ 18 O amplitude of our record is larger than or similar to the stalagmite δ 18 O records from India during these events. In addition, differences of stalagmite δ 18 O in eastern China and the ISM region were observed on glacial-interglacial as well as decadal timescales. That means the ISM is not the sole controlling factor of Chinese stalagmite δ 18 O during Heinrich events. When subtracting the Indian stalagmite δ 18 O series from our XL15 record during H1 period, we found a significant negative correlation with sea surface temperature (SST) record of Western Pacific Warm Pool (WPWP). Consequently, our study suggests that the Chinese stalagmite δ 18 O is controlled by both the ISM and EASM on orbital-, millennial-, and decadal timescales. © 2019, Springer-Verlag GmbH Germany, part of Springer Nature.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122538
Appears in Collections:气候变化事实与影响

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作者单位: State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, 710061, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi’an, 710061, China; Institute of Global Environmental Change, Xi’an Jiaotong University, Xi’an, 710049, China; College of Geography Science, Fujian Normal University, Fuzhou, 350007, China; Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, United States; Department of Geological Sciences, Center for Water Research, University of Texas at San Antonio, San Antonio, TX 78249, United States; Open Studio for Oceanic-Continental Climate and Environment Changes, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266061, China

Recommended Citation:
Li D.,Tan L.,Cai Y.,et al. Is Chinese stalagmite δ 18 O solely controlled by the Indian summer monsoon?[J]. Climate Dynamics,2019-01-01
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