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Luminescence Chronology and Radiocarbon Reservoir Age Determination of Lacustrine Sediments from the Heihai Lake, NE Qinghai-Tibetan Plateau and Its Paleoclimate Implications
An, Fuyuan1,2,4,5; Lai, Zhongping6; Liu, Xiangjun1,2; Wang, Yixuan1,3; Chang, Qiufang1; Lu, Baoliang1; Yang, Xiaoyun6,7
2018-06-01
发表期刊JOURNAL OF EARTH SCIENCE
卷号29期号:3页码:695-706
文章类型Article
摘要The accurately determining the lake C-14 reservoir age has a crucial significance for climatic reconstruction. In this study, the optically stimulated luminescence (OSL) dating method is employed to date samples from highstand lacustrine sediments, palaeoshoreline, fluvial terrace, and the alluvial fan of the Heihai Lake catchment. Accelerator mass spectrometry (AMS) C-14 dating was also used to date fossil plants from highstand lacustrine sediments. Based on the calculations of linear regression with OSL against radiocarbon ages for same layers of two sections, the quantitative C-14 reservoir ages were estimated to lie between 3 353 and 3 464 yr during the 1.8 to 2.4 ka, which showed temporal variation. The sources of old carbon are the dissolution of carbonate bedrocks distributed along the Kunlun Mountain. The OSL ages of the different members of the hydatogen sedimentary system at Heihai Lake catchment indicate that a stronger hydrologic condition occurred from 3.0 +/- 0.2 to 1.8 +/- 0.2 ka, with a maximum lake level of 9 m higher than present. This humid stage was widely recorded in different sediments on the QTP and Chinese Loess Plateau (CLP), indicating its broad synchronicity across the Asian Summer Monsoon region. The enhanced East Asian Summer Monsoon (EASM) and the Indian Summer Monsoon (ISM) resulted in the increase of moisture availability for the Heihai Lake area during this stage.
关键词Luminescence And Radiocarbon Dating C-14 Reservoir Age Heihai Lake Qinghai-tibetan Plateau (Qtp) Palaeoclimate Implications
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]REGENERATIVE-DOSE PROTOCOL ; QAIDAM BASIN ; CENTRAL-ASIA ; LATE QUATERNARY ; CHINESE LOESS ; ENVIRONMENTAL-CHANGES ; MOISTURE EVOLUTION ; AEOLIAN SEDIMENTS ; HOLOCENE CLIMATE ; LEVEL VARIATIONS
收录类别SCI
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000435629500020
出版者CHINA UNIV GEOSCIENCES, WUHAN
引用统计
被引频次:2[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/363002/6689
专题中国科学院青海盐湖研究所
通讯作者An, Fuyuan
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Qinghai, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Qinghai Prov Key Lab Geol & Environm Salt Lakes, Xining 810008, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, State Key Lab Cryosphere Sci Cold & Arid Reg Envi, Lanzhou 730000, Gansu, Peoples R China
5.Chinese Acad Sci, Engn Res Inst, Lanzhou 730000, Gansu, Peoples R China
6.China Univ Geosci, Sch Earth Sci, Wuhan 430074, Hubei, Peoples R China
7.Baylor Univ, Dept Geol, Waco, TX 76798 USA
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GB/T 7714
An, Fuyuan,Lai, Zhongping,Liu, Xiangjun,et al. Luminescence Chronology and Radiocarbon Reservoir Age Determination of Lacustrine Sediments from the Heihai Lake, NE Qinghai-Tibetan Plateau and Its Paleoclimate Implications[J]. JOURNAL OF EARTH SCIENCE,2018,29(3):695-706.
APA An, Fuyuan.,Lai, Zhongping.,Liu, Xiangjun.,Wang, Yixuan.,Chang, Qiufang.,...&Yang, Xiaoyun.(2018).Luminescence Chronology and Radiocarbon Reservoir Age Determination of Lacustrine Sediments from the Heihai Lake, NE Qinghai-Tibetan Plateau and Its Paleoclimate Implications.JOURNAL OF EARTH SCIENCE,29(3),695-706.
MLA An, Fuyuan,et al."Luminescence Chronology and Radiocarbon Reservoir Age Determination of Lacustrine Sediments from the Heihai Lake, NE Qinghai-Tibetan Plateau and Its Paleoclimate Implications".JOURNAL OF EARTH SCIENCE 29.3(2018):695-706.
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