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Lake evolution of the terminal area of Shiyang River drainage in arid China since the last glaciation
Shi, Q; Chen, FH; Zhu, Y; Madsen, D
2002
发表期刊QUATERNARY INTERNATIONAL
ISSN1040-6182
卷号34060页码:31-43
摘要Investigations of geomorphology and sedimentology, and analyses of radiocarbon dates, grain size and carbonate of the sediment at the present-dry closed basin in the terminal area of Shiyang River in and China were conducted to recover the history of palaeolake change since the last glacial. The terminal area was covered by eolian sand before 13,000 C-14 BP. Lacustrine deposits covered the eolian sand after 13,000 C-14 BP, but were succeeded rapidly by eolian or fluvial deposits ca. 11,200-10,000 BP. This fact plus the grain-size distribution and CaCO3 content showed that climate was extremely dry during the last glacial, but wet-dry oscillations characterized the late glacial. A single coalescent lake, over 45 m deep and 2130 km(2), formed between 10,000-6400 C-14 BP in the basin. The lake disintegrated into several shallow carbonate lakes or swamps gradually after 6400 C-14 BP. Eolian sand reached into the most part of the basin during the period. The lake evolution in the area generally reflects the East Asian summer monsoon history forced by Northern hemisphere insolation. Short time-scale lake fluctuations also existed in the area since the last glacial. (C) 2002 Elsevier Science Ltd and INQUA. All rights reserved.
部门归属Lanzhou Univ, Natl Lab W China Environm Syst, Lanzhou 730000, Peoples R China; CAS, S China Sea Inst Oceanol, Guangdong 510301, Peoples R China; Utah Geol Survey, Salt Lake City, UT 84114 USA
学科领域Geography, Physical ; Geosciences, Multidisciplinary
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000178167600005
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被引频次:37[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4712
专题中科院边缘海地质重点实验室
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Shi, Q,Chen, FH,Zhu, Y,et al. Lake evolution of the terminal area of Shiyang River drainage in arid China since the last glaciation[J]. QUATERNARY INTERNATIONAL,2002,34060:31-43.
APA Shi, Q,Chen, FH,Zhu, Y,&Madsen, D.(2002).Lake evolution of the terminal area of Shiyang River drainage in arid China since the last glaciation.QUATERNARY INTERNATIONAL,34060,31-43.
MLA Shi, Q,et al."Lake evolution of the terminal area of Shiyang River drainage in arid China since the last glaciation".QUATERNARY INTERNATIONAL 34060(2002):31-43.
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