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DOI10.1002/jqs.2882
Late Quaternary glacial advances in the eastern Qilianshan, north-eastern Tibet, as inferred from luminescence dating of fluvioglacial sediments
Hu, Gang; Yi, Chao-Lu; Zhang, Jia-Fu; Liu, Jin-Hua; Jiang, Tao; Li, Sheng-Hua
通讯作者Hu, G (通讯作者)
发表日期2016
ISSN0267-8179
EISSN1099-1417
起始页码587
结束页码597
卷号31期号:6
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.
关键词OPTICALLY STIMULATED LUMINESCENCEREGENERATIVE-DOSE PROTOCOLGLACIOFLUVIAL SEDIMENTSCLIMATE SENSITIVITYFLUVIAL SEDIMENTSMOUNT EVERESTASIAN MONSOONRIVER VALLEYNEW-ZEALANDCHINA
英文关键词global standardized growth curve; Last Glacial Maximum; luminescence dating; fluvioglacial sediments; Younger Dryas
语种英语
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000383519600004
来源期刊JOURNAL OF QUATERNARY SCIENCE
来源机构中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/258774
推荐引用方式
GB/T 7714
Hu, Gang,Yi, Chao-Lu,Zhang, Jia-Fu,et al. Late Quaternary glacial advances in the eastern Qilianshan, north-eastern Tibet, as inferred from luminescence dating of fluvioglacial sediments[J]. 中国科学院青藏高原研究所,2016,31(6).
APA Hu, Gang,Yi, Chao-Lu,Zhang, Jia-Fu,Liu, Jin-Hua,Jiang, Tao,&Li, Sheng-Hua.(2016).Late Quaternary glacial advances in the eastern Qilianshan, north-eastern Tibet, as inferred from luminescence dating of fluvioglacial sediments.JOURNAL OF QUATERNARY SCIENCE,31(6).
MLA Hu, Gang,et al."Late Quaternary glacial advances in the eastern Qilianshan, north-eastern Tibet, as inferred from luminescence dating of fluvioglacial sediments".JOURNAL OF QUATERNARY SCIENCE 31.6(2016).
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