globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2021.116766
论文题名:
Quantitative estimates of Holocene glacier meltwater variations on the Western Tibetan Plateau
作者: Li C.-G.; Wang M.; Liu W.; Lee S.-Y.; Chen F.; Hou J.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2021
卷: 559
语种: 英语
中文关键词: glacier meltwater ; Holocene ; lake sediments ; Western Tibetan Plateau
英文关键词: Global warming ; Alpine glacier ; Authigenic carbonates ; Fresh water resources ; Glacier dynamics ; In-depth understanding ; Quantitative estimates ; Summer temperature ; Tibetan Plateau ; Melting ; glacial lake ; glacier ; glacier dynamics ; Holocene ; lacustrine deposit ; meltwater ; quantitative analysis ; China ; Kunlun Mountains ; Qinghai-Xizang Plateau
英文摘要: Knowledge of the alpine glacier meltwater variations is fundamental prerequisite for understanding glacier dynamics and assessing the availability of freshwater resources. Glaciers on the Tibetan Plateau (TP) are sources of water for most major Asian rivers, but their melting history remains unclear, preventing in-depth understanding of their mechanisms. Here, we propose the authigenic carbonate δ18O from glacial lakes as a quantitative proxy to estimate variations of glacier meltwater. In the Western Kunlun Mountain, δ18O record at Guozha Co indicates that maximum glacier meltwater (−28.62±25.76Gt) occurred at 9.5–8.5 ka BP, and minimum glacier meltwater (24.53±25.02Gt) at 1.3–0.5 ka BP. Nearly 20% of regional glaciers melted from the Early to Late Holocene, likely controlled by the summer temperature and accumulation of melting potential estimated by positive degree-day. Based on the projected temperature, this study suggests the TP glaciers likely face severe threats at the current rates of global warming. © 2021 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/165560
Appears in Collections:气候变化与战略

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作者单位: Key Laboratory of Alpine Ecology, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China; University of Chinese Academy of Sciences, Beijing, 100049, China; School of Geography, Liaoning Normal University, Dalian, 116029, China; Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China; Research Center for Environmental Change, Academia Sinica, Taipei, 115, China; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, 100101, China

Recommended Citation:
Li C.-G.,Wang M.,Liu W.,et al. Quantitative estimates of Holocene glacier meltwater variations on the Western Tibetan Plateau[J]. Earth and Planetary Science Letters,2021-01-01,559
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