Arid
DOI10.1016/j.gloplacha.2012.05.014
Timing of Late Quaternary palaeolake evolution in Tengger Desert of northern China and its possible forcing mechanisms
Long, Hao2; Lai, ZhongPing1,2; Fuchs, Markus3; Zhang, JingRan2; Li, Yu4
通讯作者Lai, ZhongPing
来源期刊GLOBAL AND PLANETARY CHANGE
ISSN0921-8181
EISSN1872-6364
出版年2012
卷号92-93页码:119-129
英文摘要

Palaeolake evolution history has been used to reconstruct the Late Quaternary environmental and climatic conditions in East Asian monsoon area. In this study, based on the OSL chronology (33 samples) and the stratigraphy of shorelines or lacustrine sequences, we reconstructed the Late Quaternary evolution history of the Zhuyeze palaeolake surrounded by the Tengger Desert at the northern edge of East Asian summer monsoon. The luminescence dating results with geomorphologic analysis indicate that: (1) contrary to previous interpretations on MIS 3 mega-lake derived from C-14 chronology, highstands of ca. 30 m above modem playa are OSL dated to around 90-80 ka (MIS 5a), and no evidence of MIS 3 highstands has been found, which questions the previous climate pattern of ’uniquely warm and wet Late MIS 3’ in northwestern China. The high insolation at MIS 5a triggered the strengthened summer monsoon which brought more rainfall to the study area, causing the highstand in Zhuyeze; (2) a substantial lake with a water level of ca. 20 m above the modern playa was present during 8.0-5.0 ka (Mid-Holocene), indicating that the wettest stage of the Holocene occurred in the Mid-Holocene. This reconstructed moisture pattern based on lake levels in East Asian monsoon marginal area is out of phase with that in monsoon core area, and we propose that this is possibly related to low sea level during the Early Holocene leading to the study area out of East Asian monsoon influence; (3) the shrinking process of Zhuyeze lake since 5.0 ka indicate the drying trend during the Late Holocene, responding directly to the changes of the East Asian monsoon triggered by summer insolation at low latitude areas. (C) 2012 Elsevier B.V. All rights reserved.


英文关键词Late Quaternary Tengger Desert in northern China OSL dating palaeolake evolution East Asian monsoon
类型Article
语种英语
国家Peoples R China ; Germany
收录类别SCI-E
WOS记录号WOS:000307031000012
WOS关键词EAST-ASIAN MONSOON ; RESOLUTION POLLEN RECORD ; QINGHAI-TIBETAN PLATEAU ; HOLOCENE VEGETATION ; NORTHWEST CHINA ; MOISTURE EVOLUTION ; ATLANTIC CLIMATE ; QAIDAM BASIN ; LAKE ; LUMINESCENCE
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构兰州大学 ; 中国科学院西北生态环境资源研究院
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/172633
作者单位1.Chinese Acad Sci, State Key Lab Cryospher Sci Cold & Arid Regions, Environm & Engn Res Inst, Lanzhou 730000, Peoples R China;
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Luminescence Dating Grp, Xining 810008, Peoples R China;
3.Univ Giessen, Dept Geog, D-35390 Giessen, Germany;
4.Lanzhou Univ, Coll Earth & Environm Sci, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Long, Hao,Lai, ZhongPing,Fuchs, Markus,et al. Timing of Late Quaternary palaeolake evolution in Tengger Desert of northern China and its possible forcing mechanisms[J]. 兰州大学, 中国科学院西北生态环境资源研究院,2012,92-93:119-129.
APA Long, Hao,Lai, ZhongPing,Fuchs, Markus,Zhang, JingRan,&Li, Yu.(2012).Timing of Late Quaternary palaeolake evolution in Tengger Desert of northern China and its possible forcing mechanisms.GLOBAL AND PLANETARY CHANGE,92-93,119-129.
MLA Long, Hao,et al."Timing of Late Quaternary palaeolake evolution in Tengger Desert of northern China and its possible forcing mechanisms".GLOBAL AND PLANETARY CHANGE 92-93(2012):119-129.
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