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学科主题: 地理学::自然地理学
题名: Late Quaternary glacial advances in the eastern Qilianshan, north-eastern Tibet, as inferred from luminescence dating of fluvioglacial sediments
作者: Hu, G (Hu, Gang)1; Yi, CL (Yi, Chao-Lu)1, 2; Zhang, JF (Zhang, Jia-Fu)3; Liu, JH (Liu, Jin-Hua)1; Jiang, T (Jiang, Tao)4; Li, SH (Li, Sheng-Hua)5
通讯作者: Hu, G
关键词: OPTICALLY STIMULATED LUMINESCENCE ; REGENERATIVE-DOSE PROTOCOL ; GLACIOFLUVIAL SEDIMENTS ; CLIMATE SENSITIVITY ; FLUVIAL SEDIMENTS ; MOUNT EVEREST ; ASIAN MONSOON ; RIVER VALLEY ; NEW-ZEALAND ; CHINA
刊名: JOURNAL OF QUATERNARY SCIENCE
发表日期: 2016
DOI: 10.1002/jqs.2882
卷: 31, 期:6, 页:587-597
收录类别: SCI
合作性质: 国际
文章类型: Article
部门归属: 环境
英文摘要: The Qilianshan [shan means mountain(s)' in Chinese] are important for understanding the Quaternary glaciations which occurred along the north-eastern margins of the Tibetan Plateau (TP). Two sets of moraines identified in the Gangshika Valley on the southern slopes of the Qilianshan, and in the Jindonggou Valley on the northern slopes of the Lenglongling Ridge in the eastern Qilianshan, were dated using optically stimulated luminescence (OSL) dating. The D-e values of the sediments were determined using single aliquot regeneration (SAR) and global standardized growth curve' (gSGC) procedures. The gSGC method was first applied to glacial sediment and proved to be adaptable. Based on D-e distribution analysis, and a comparison between the ages of coarse-grained (90-125m) quartz, we concluded that the minimum age model (MAM) OSL age obtained may be closer to the burial age of the sediments. The first set of moraines in the Gangshika Valley was formed at 18.1 +/- 1.8ka. The second set of moraines in both the Gangshika and the Jindonggou valleys was mainly formed at approximate to 12.5-10.7ka, consistent with the Younger Drays chronozone, most probably covering the moraines produced at 14.3 +/- 1.4ka. These results indicate that the glaciers along the Lenglongling Ridge were sensitive to abrupt decreases in temperature.
语种: 英语
WOS记录号: WOS:000383519600004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7634
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Bldg 3,Courtyard 16,Lin Cui Rd, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100864, Peoples R China
3.Peking Univ, Dept Geog, Key Lab Earth Surface Proc, Beijing 100871, Peoples R China
4.China Univ Geosci, Key Lab Tecton & Petr Resources, Minist Educ, Wuhan 430074, Peoples R China
5.Univ Hong Kong, Dept Earth Sci, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China

Recommended Citation:
Hu, G ,Yi, CL ,Zhang, JF ,et al. Late Quaternary glacial advances in the eastern Qilianshan, north-eastern Tibet, as inferred from luminescence dating of fluvioglacial sediments[J]. JOURNAL OF QUATERNARY SCIENCE,2016,31(6):587-597.
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文件名: V.31(6) 587-597 2016.pdf
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