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Applicability of a quartz OSL standardised growth curve for D-e determination up to 400 Gy for lacustrine sediments from the Qaidam Basin of the Qinghai-Tibetan Plateau
Long, Hao1,2; Lai, ZhongPing1; Fan, QiShun1,2; Sun, YongJuan1; Liu, XiangJun1,2
2010-04-01
发表期刊QUATERNARY GEOCHRONOLOGY
卷号5期号:2-3页码:212-217
文章类型Article
摘要The standardised growth curve (SGC) for quartz OSL has recently been developed as a practical means to reduce measurement times when determining palaeodoses using quartz of aeolian sediments, especially loess and desert sand from the same section or the same geographical area. In the present study, we test the performance of SGCs for lacustrine sediments of three cores in the Qaidam Basin of the Qinghai-Tibetan Plateau (QTP) in China. A total of nine samples were collected (three samples from each of the three cores), and silt-sized (38-63 mu m) quartz was extracted for the experiment. The results demonstrated that: (a) Nine samples display similar dose-response curves up to a regeneration dose of 600 Gy using single aliquot regenerative-dose (SAR) protocol, suggesting the existence of a standardised growth curve for lacustrine sediments in the Qaidam Basin; (b) For samples with D(e)s of up to 400 Gy, the Des determined by the SGC are in agreement with the D(e)s by the SAR protocol, suggesting that the SGC approach could be used for D-e determination up to a dose of 400 Gy for lacustrine samples from the Qaidam Basin of the Qinghai-Tibetan Plateau in China; (c) The saturation dose for these samples is more than 600 Gy, and in the growth curve a linear growth part was observed in the high dose range of >200 Gy. (C) 2009 Elsevier B.V. All rights reserved.
关键词Standardised Growth Curve (Sgc) Quartz Luminescence Dating Lacustrine Sediments Qaidam Basin Qinghai-tibetan Plateau (Qtp)
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]REGENERATIVE-DOSE PROTOCOL ; CHINESE LOESS ; SGC ; RESOLUTION ; SHAPE
收录类别SCI ; ISTP
语种英语
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000276666900025
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5945
专题青海盐湖研究所知识仓储
盐湖地质与环境实验室
科研管理、支撑部门
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources & Chem, Luminescence Dating Grp, Xining 810008, Peoples R China
2.Chinese Acad Sci, Grad Sch, Xining 100049, Peoples R China
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Long, Hao,Lai, ZhongPing,Fan, QiShun,et al. Applicability of a quartz OSL standardised growth curve for D-e determination up to 400 Gy for lacustrine sediments from the Qaidam Basin of the Qinghai-Tibetan Plateau[J]. QUATERNARY GEOCHRONOLOGY,2010,5(2-3):212-217.
APA Long, Hao,Lai, ZhongPing,Fan, QiShun,Sun, YongJuan,&Liu, XiangJun.(2010).Applicability of a quartz OSL standardised growth curve for D-e determination up to 400 Gy for lacustrine sediments from the Qaidam Basin of the Qinghai-Tibetan Plateau.QUATERNARY GEOCHRONOLOGY,5(2-3),212-217.
MLA Long, Hao,et al."Applicability of a quartz OSL standardised growth curve for D-e determination up to 400 Gy for lacustrine sediments from the Qaidam Basin of the Qinghai-Tibetan Plateau".QUATERNARY GEOCHRONOLOGY 5.2-3(2010):212-217.
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