ISL OpenIR  > 青海盐湖研究所知识仓储
OSL chronology of loess deposits in East China and its implications for East Asian monsoon history
Lai, ZhongPing1; Zhang, WeiGuo2; Chen, Xi1,2; Jia, YuLian3; Liu, XiangJun1; Fan, QiShun1; Long, Hao1
2010-04-01
Source PublicationQUATERNARY GEOCHRONOLOGY
Volume5Issue:2-3Pages:154-158
SubtypeArticle
AbstractControversy exists regarding the chronology of loess in the Nanjing area in Jiangsu Province and the Jiujiang area in Jiangxi Province, East China. The chronology is of special interest, because the age of the initial accumulation for loess in these areas indicates that dust accumulation has been extended from the Loess Plateau in North China to East China at that time. This implies a threshold in the evolution of the East Asian monsoon, with the strengthened winter monsoon transporting aeolian dust further to the south. In this study nine luminescence samples were collected from the Jiujiang area and four samples from the Nanjing area. Quartz grains of 38-63 mu m were isolated and the single-aliquot regenerative-dose (SAR) protocol was employed for De determination. For all samples from the Nanjing area, during the SAR measurement cycles the test-dose sensitivity was dose dependent and dropped significantly when the regeneration dose reached >300 Gy, while it increased linearly when the regeneration dose value ranged from 25 to 300 Gy. The reason for this is not yet known. The OSL chronology and its implications for paleoenvironmental change are discussed. It is concluded that: (1) loess deposition in the Jiujiang area started in the early Last Glaciation; and (2) the first loess layer in the Nanjing area was deposited during the last Glaciation. (C) 2009 Elsevier B.V. All rights reserved.
KeywordLoess East China East Asian Monsoon Luminescence Dating Quartz Osl
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordSILT-SIZED QUARTZ ; LUMINESCENCE ; PLATEAU ; PLEISTOCENE ; RATES ; ACCUMULATION ; HOLOCENE ; PROTOCOL ; CLIMATE ; SECTION
Indexed BySCI ; ISTP
Language英语
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000276666900015
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5928
Collection青海盐湖研究所知识仓储
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources & Chem, Luminescence Dating Grp, Xining 810008, Peoples R China
2.E China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China
3.Jiangxi Normal Univ, Inst Geog & Enviroment, Key Lab Poyang Lake Wetland & Watershed Res, Nanchang 330026, Peoples R China
Recommended Citation
GB/T 7714
Lai, ZhongPing,Zhang, WeiGuo,Chen, Xi,et al. OSL chronology of loess deposits in East China and its implications for East Asian monsoon history[J]. QUATERNARY GEOCHRONOLOGY,2010,5(2-3):154-158.
APA Lai, ZhongPing.,Zhang, WeiGuo.,Chen, Xi.,Jia, YuLian.,Liu, XiangJun.,...&Long, Hao.(2010).OSL chronology of loess deposits in East China and its implications for East Asian monsoon history.QUATERNARY GEOCHRONOLOGY,5(2-3),154-158.
MLA Lai, ZhongPing,et al."OSL chronology of loess deposits in East China and its implications for East Asian monsoon history".QUATERNARY GEOCHRONOLOGY 5.2-3(2010):154-158.
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