globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2017.04.007
论文题名:
Glacial-interglacial climate change on the northeastern Tibetan Plateau over the last 600 kyr
作者: Yang Y.; Yang R.; Li X.; Han W.; Zan J.; Fang X.; Appel E.; Galy A.; Wu F.; Yang S.; Zhang Z.; Zhang W.; Ye C.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2017
卷: 476
起始页码: 181
结束页码: 191
语种: 英语
英文关键词: East Asian Winter Monsoon ; Lake levels ; Qaidam Basin ; Quaternary ; Siberian High
英文摘要: Exploring the interplay between the mid-latitude Westerlies and East Asian monsoon systems is crucial for revealing the mechanisms and processes behind the aridification of the central Asian interior. In this study, a high-resolution acid-dissolved Mn record of lacustrine sediments from a drilling core (SG-1) in the arid western Qaidam Basin on the northeastern Tibetan Plateau (TP) largely reveals the evolution of lake levels and climate change over the last 600 kyr. The climate in the western Qaidam Basin shows distinct glacial and interglacial changes in accordance with changes in the global climate, and in North Atlantic sea surface temperatures (SSTs), indicating the teleconnection between the basin's climate and the North Atlantic in the form of the Westerlies. However, the basin's climate also correlates closely with East Asian Winter Monsoon (EAWM) activity as recorded by the grain size variations in loess-paleosol sequences on the Chinese Loess Plateau (CLP) over a glacial-interglacial timescale. Even during glacial periods, some relatively warm/humid stages accompanied by high paleolake levels in the western Qaidam Basin are generally conformable with relatively weak EAWM, whereas these warm/humid stages show a weak relation with the East Asian Summer Monsoon (EASM) and North Atlantic SSTs. These results collectively provide evidence that climate change in the western Qaidam Basin is, and was, not only controlled by the Westerlies, but also strongly influenced by the Siberian High, at least during glacial periods. The exact driving mechanism, however, needs to be explored further in future studies. © 2017 Elsevier B.V.
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被引频次[WOS]:11   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/67841
Appears in Collections:过去全球变化的重建

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作者单位: Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, China; Centre de Recherches Pétrographiques et Géochimiques, UMR7358, CNRS-Université de Lorraine, Nancy, France; Climate Change Research Center, Chinese Academy of Sciences, Beijing, China; Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; Key Laboratory of Salt Lake Resources and Chemistry, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, China; Department of Geosciences, Center for Applied Geoscience, University of Tübingen, Hölderlinstr. 12, Tübingen, Germany; Key Laboratory of Tibetan Environment Changes and Land Surface Processes, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; School of Resource Environment and Tourism, Anyang Normal University, Anyang, China

Recommended Citation:
Yang Y.,Yang R.,Li X.,et al. Glacial-interglacial climate change on the northeastern Tibetan Plateau over the last 600 kyr[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2017-01-01,476
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