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题名: A mid-Holocene drought interval as evidenced by lake desiccation in the Alashan Plateau, Inner Mongolia, China
作者: Chen, FH(陈发虎); Wu, W; Holmes, JA; Madsen, DB; Zhu, Y; Jin, M; Oviatt, CG
收录类别: SCIE ; CPCI-S
出版日期: 2003-07
会议名称: Symposium on Abrupt Environmental Changes in Arid Asia History and Mechanisms (RACHAD 2001)
会议日期: OCT, 2001
会议地点: LANZHOU, PEOPLES R CHINA
英文摘要: The mid-Holocene in China is traditionally thought to be a warm and humid period with a strong summer monsoon, and is often termed the Holocene Climatic Optimum or Megathermal Period. Here we present lake geomorphologic and lithological evidence from the Alashan Plateau, part of the Mongolian Plateau, that indicates strong lake desiccation during the mid-Holocene. High resolution pollen data from Zhuyeze Lake, at the present summer monsoon margin, is also presented. These data show that present lakes and wetlands in the Juyanze Lake basin west of the Badain Jaran desert, in the Zhuyeze Lake basin between the Badain Jaran and Tengger deserts, and in lakes in the eastern Tengger desert, dried or experienced low lake levels in the mid-Holocene around 5000-7000 cal yr BP. Pollen data further indicate that the vegetation cover declined in both the local areas and in the Qilian Mountains, suggesting the climate was drier than that associated with the present Asian summer monsoon. This mid-Holocene drought interval was present throughout a quite large region of the south Inner Mongolian Plateau. The period was also probably colder, at least in the high Asian plateaus and mountains.
关键词: western Inner Mongolian Plateau ; mid-Holocene ; lake desiccation ; dry climate
作者部门: Lanzhou Univ, Ctr Arid Environm & Paleoclimate Res, Natl Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China ; Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Desert & Desertificat, Lanzhou 730000, Peoples R China ; UCL, Dept Geog, Environm Change Res Ctr, London WC1H 0AP, England ; Desert Res Inst, Div Earth & Ecosyst Sci, Reno, NV 89512 USA ; Kansas State Univ, Dept Geol, Manhattan, KS 66506 USA
通讯作者: Chen, FH (reprint author), Lanzhou Univ, Ctr Arid Environm & Paleoclimate Res, Natl Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China.
学科分类: Science & Technology - Other Topics
会议主办者: LANZHOU UNIV
会议录: CHINESE SCIENCE BULLETIN
卷号: 48
期号: 14
页码: 1401-1410
出版者: SCIENCE CHINA PRESS
出版地: BEIJING
语种: 英语
DOI: 10.1360/03wd0245
ISSN号: 1001-6538
WOS记录号: WOS:000184463300002
IR记录号: WOS:000184463300002
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内容类型: 会议论文
URI标识: http://ir.lzu.edu.cn/handle/262010/184645
Appears in Collections:资源环境学院_会议论文

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Recommended Citation:
Chen, FH,Wu, W,Holmes, JA,et al. A mid-Holocene drought interval as evidenced by lake desiccation in the Alashan Plateau, Inner Mongolia, China[C]. 见:Symposium on Abrupt Environmental Changes in Arid Asia History and Mechanisms (RACHAD 2001). LANZHOU, PEOPLES R CHINA. OCT, 2001.
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