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A combined luminescence and radiocarbon dating study of Holocene lacustrine sediments from arid northern China
Long, Hao1,2; Lai, ZhongPing1; Wang, NaiAng3; Zhang, JingRan1,2
2011-02-01
发表期刊QUATERNARY GEOCHRONOLOGY
卷号6期号:1页码:1-9
文章类型Article
摘要Arid northern China is an ideal place for the reconstruction of palaeoenvironmental changes, for which the chronology is a key issue. To test the applicability of optically stimulated luminescence (OSL) dating methods to Holocene lake sediments and to evaluate the hard water reservoir effect of (14)C dating in arid northern China, 12 OSL samples and 12 radiocarbon samples were dated. These samples were from an 8 m long lacustrine section (Qingtu Lake, QTL) in the Zhuyeze Palaeolake in arid northern China. Tests of luminescence characteristics (preheat temperature, laboratory dose recovery, OSL decay and growth curve, and equivalent doses distribution) confirm that the OSL signal of silt-sized quartz (38-63 mu m) from the QTL section was fully reset before burial, and that OSL dating has considerable potential for improving the dating of Holocene lake sediments in the arid land of northern China, especially in those cases where there is a significant hard water 'old carbon' problem for (14)C dates. The apparent agreement between OSL and (14)C dating for QTL section suggests that the hard water reservoir effect of (14)C samples in the study area is much smaller than that in other lakes in northern China, which is also supported by analyses on two (14)C samples using different dating materials for each of the two individual samples. (c) 2010 Elsevier B.V. All rights reserved.
关键词Holocene Lacustrine Sediments Quartz Osl Dating (14)c Dating Hard Water Reservoir Effect Arid Northern China
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]OPTICALLY STIMULATED LUMINESCENCE ; REGENERATIVE-DOSE PROTOCOL ; TIBETAN PLATEAU ; QINGHAI LAKE ; GROWTH-CURVE ; NW CHINA ; LOESS PLATEAU ; QUARTZ OSL ; AUSTRALIA ; BASIN
收录类别SCI
语种英语
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000285433300001
引用统计
被引频次:43[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5980
专题青海盐湖研究所知识仓储
盐湖地质与环境实验室
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, Beijing 100049, Peoples R China
3.Lanzhou Univ, Coll Earth & Environm Sci, Lanzhou 730000, Peoples R China
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GB/T 7714
Long, Hao,Lai, ZhongPing,Wang, NaiAng,et al. A combined luminescence and radiocarbon dating study of Holocene lacustrine sediments from arid northern China[J]. QUATERNARY GEOCHRONOLOGY,2011,6(1):1-9.
APA Long, Hao,Lai, ZhongPing,Wang, NaiAng,&Zhang, JingRan.(2011).A combined luminescence and radiocarbon dating study of Holocene lacustrine sediments from arid northern China.QUATERNARY GEOCHRONOLOGY,6(1),1-9.
MLA Long, Hao,et al."A combined luminescence and radiocarbon dating study of Holocene lacustrine sediments from arid northern China".QUATERNARY GEOCHRONOLOGY 6.1(2011):1-9.
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