globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2015.02.010
Scopus记录号: 2-s2.0-84925446608
论文题名:
Late Quaternary glacial history of the Karlik Range, easternmost Tian Shan, derived from 10Be surface exposure and optically stimulated luminescence datings
作者: Chen Y.; Li Y.; Wang Y.; Zhang M.; Cui Z.; Yi C.; Liu G.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2015
卷: 115
起始页码: 17
结束页码: 27
语种: 英语
英文关键词: Cosmogenic nuclides ; Glacial chronology ; Karlik Range ; OSL dating ; Quaternary glaciations ; Tian Shan
Scopus关键词: Isotopes ; Luminescence ; Cosmogenic nuclides ; Glacial chronology ; Karlik Range ; OSL dating ; Quaternary glaciations ; Tian Shan ; Glacial geology ; beryllium isotope ; cosmogenic radionuclide ; glacial history ; glaciation ; glacier advance ; Little Ice Age ; luminescence dating ; precipitation (climatology) ; China ; Karlik Mountains ; Siberia ; Tien Shan ; Xinjiang Uygur
英文摘要: The Karlik Range, located in the easternmost part of the Tian Shan, is a key area in reconstructing paleoclimate in Central Asia, but few studies have been conducted to constrain the timing and extent of Quaternary glaciations in its highlands. We investigated the late Quaternary glacial history in the Turgan Valley on the northern slopes of the Karlik Range using cosmogenic 10Be surface exposure and optically stimulated luminescence (OSL) dating techniques. Four major glacial events were dated to 0.79±0.59ka (Little Ice Age, LIA), 15.8±1.6ka (Lateglacial), 37.4±4.0-44.2±4.3ka (Marine Oxygen Isotope Stage (MIS) 3), and 60.2±3.3-79.3±5.2ka (MIS 4 or older) with a pattern of continuously restricted glaciations after MIS 4. This glacial chronology is consistent with the studies from other parts of the Tian Shan. The overall pattern of glaciations across the Tian Shan suggests that change in precipitation brought by the westerlies was the primary factor influencing the timing and extent of glacial advances during the Last Glaciation. However, lower temperature of the Karlik Range affected by the Siberian High may counteract the effect of lower precipitation to drive a relatively extensive glacial advance in the easternmost Tian Shan. © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59959
Appears in Collections:过去全球变化的重建

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作者单位: College of Urban and Environmental Sciences, Peking University, Beijing, China; Department of Geography, University of Tennessee, Knoxville, TN, United States; Center for Health Policy Research, University of California, Los Angeles, CA, United States; Academy of Disaster Reduction and Emergency Management, Beijing Normal University, Beijing, China; Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Chen Y.,Li Y.,Wang Y.,et al. Late Quaternary glacial history of the Karlik Range, easternmost Tian Shan, derived from 10Be surface exposure and optically stimulated luminescence datings[J]. Quaternary Science Reviews,2015-01-01,115
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