Arid
DOI10.1016/j.quageo.2009.05.005
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
通讯作者Lai, ZhongPing
来源期刊QUATERNARY GEOCHRONOLOGY
ISSN1871-1014
出版年2010
卷号5期号:2-3页码:212-217
英文摘要

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.


英文关键词Standardised growth curve (SGC) Quartz luminescence dating Lacustrine sediments Qaidam Basin Qinghai-Tibetan Plateau (QTP)
类型Article ; Proceedings Paper
语种英语
国家Peoples R China
收录类别SCI-E ; CPCI-S
WOS记录号WOS:000276666900025
WOS关键词REGENERATIVE-DOSE PROTOCOL ; CHINESE LOESS ; SGC ; RESOLUTION ; SHAPE
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/166137
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
推荐引用方式
GB/T 7714
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],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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