globalchange  > 影响、适应和脆弱性
DOI: 10.5194/tc-12-163-2018
Scopus记录号: 2-s2.0-85040797821
论文题名:
The first luminescence dating of Tibetan glacier basal sediment
作者: Zhang Z; , Hou S; , Yi S
刊名: Cryosphere
ISSN: 19940416
出版年: 2018
卷: 12, 期:1
起始页码: 163
结束页码: 168
语种: 英语
英文关键词: basal ice ; glacial deposit ; glacier dynamics ; ice cap ; ice core ; luminescence dating ; mountain region ; seasonal variation ; China ; Guliya Ice Cap ; Xizang
英文摘要: Dating ice cores drilled in the high mountain glaciers is difficult because seasonal variations cannot be traced at depth due to rapid thinning of the ice layers. Here we provide the first luminescence dating of the basal sediment of the Chongce ice cap in the north-western Tibetan Plateau. Assuming the sediment is of similar (or older) age as the surrounding ice, the luminescence dating of 42±4ka provides an upper constraint for the age of the bottom ice at the drilling site. This result is more than 1 order of magnitude younger than the previously suggested age of the basal ice of the nearby Guliya ice cap (∼ 40km in distance). © Author(s) 2018.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75440
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing, China

Recommended Citation:
Zhang Z,, Hou S,, Yi S. The first luminescence dating of Tibetan glacier basal sediment[J]. Cryosphere,2018-01-01,12(1)
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