Brief communication: New evidence further constraining Tibetan ice core chronologies to the Holocene
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Published:2021-04-28
Issue:4
Volume:15
Page:2109-2114
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ISSN:1994-0424
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Container-title:The Cryosphere
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language:en
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Short-container-title:The Cryosphere
Author:
Hou ShuguiORCID, Zhang Wangbin, Fang Ling, Jenk Theo M.ORCID, Wu Shuangye, Pang Hongxi, Schwikowski MargitORCID
Abstract
Abstract. There is considerable controversy regarding the age ranges of Tibetan ice cores. The Guliya ice core was reported to reach as far back as ∼760 ka (kiloannum, i.e. 1000 years), whereas chronologies of all other Tibetan cores cover at most the Holocene. Here we present ages for two new ice cores reaching bedrock, from the Zangser Kangri (ZK) glacier in the northwestern Tibetan Plateau and the Shulenanshan (SLNS) glacier in the western Qilian Mountains. We estimated bottom ages of 8.90±0.570.56 ka and 7.46±1.461.79 ka for the ZK and SLNS ice core respectively, further constraining the time range accessible by Tibetan ice cores to the Holocene.
Funder
Project 333 of Jiangsu Province National Natural Science Foundation of China
Publisher
Copernicus GmbH
Subject
Earth-Surface Processes,Water Science and Technology
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