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学科主题: Geography, Physical; Geosciences, Multidisciplinary
题名: Palaeomonsoon variability in the southern fringe of the Badain jaran Desert, China, since 130 ka BP
作者: Gao, QZ ; Tao, Z ; Li, BS ; Jin, HL ; Zou, XY ; Zhang, YC ; Dong, GR
通讯作者: eesgqz@zsu.edu.cn
关键词: eastern Asian monsoon ; transitional zone between desert and loess areas ; fluvial and lacustrine deposits ; Late Pleistocene Epoch ; Badain Jaran Desert
刊名: EARTH SURFACE PROCESSES AND LANDFORMS
发表日期: 2006
卷: 31, 期:3, 页:265-283
收录类别: sci
部门归属: Zhongshan Univ, Sch Geog, Guangzhou 510275, Peoples R China; S China Normal Univ, Dept Geog, Guangzhou 510631, Peoples R China; Chinese Acad Sci, Cold & Argid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China; Beijing Normal Univ, Inst Resource Sci, Beijing 100875, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanog, Guangzhou 510301, Peoples R China
摘要: Taking the Chagelebulu Stratigraphic Profile as a typical example, a comprehensive study has been conducted to elucidate the palaeoclimatic and geomorphic evolution patterns in the southern fringe of (lie Badain Jaran Desert, which were found to be complex and polycyclic in the past 130 ka. However, the fluctuating magnitude is not as remarkable as that in the eastern China sandy region. The shift in climate from interglacial to glacial and the uplift process of the Qinghai-Xizang Plateau are the two leading forces driving the evolution of the climate and desert landforms in this area. Seventeen cycles of cold, dry and warm, humid climatic stages were recognized in the Upper Pleistocene Series of the profile. The sharp uplift of the Qinghai-Xizang Plateau superimposed a cool and arid climatic trend in this area. As a result of the climatic changes, the desert in this area has undergone multiple stages of expansion and contraction since 130 ka BP. The middle Holocene Epoch and the early stage of the Late Pleistocene Period were the main periods when the sand dunes became stabilized, and the early and late phases of the Holocene Epoch and late phase of the Pleistocene Epoch were the main periods when the previously stabilized sand dunes became mobile. The late phase of the Pleistocene Epoch was the most mobile stage, when the aeolian sand activities formed the essential geomorphic pattern (if the Badain Jaran Desert. Copyright (c) 2005 John Wiley & Sons, Ltd.
原文出处: 查看原文
WOS记录号: WOS:000236447000001
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4446
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Gao, QZ; Tao, Z; Li, BS; Jin, HL; Zou, XY; Zhang, YC; Dong, GR.Palaeomonsoon variability in the southern fringe of the Badain jaran Desert, China, since 130 ka BP,EARTH SURFACE PROCESSES AND LANDFORMS,2006,31(3):265-283
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