Arid
DOI10.1016/j.jseaes.2010.06.001
A critical examination of evidence for a Quaternary glaciation in Mt. Laoshan, Eastern China
Kusky, Timothy1; Guo, Liang2; Xiang, Shibao2; Guo, Xiaoyu3,4; Xu, Xingyong5
通讯作者Kusky, Timothy
来源期刊JOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
EISSN1878-5786
出版年2011
卷号40期号:1页码:403-416
英文摘要

Accurately determining how far south Quaternary glaciers existed in eastern China has important implications for understanding global Quaternary climate. In this study, we provide evidence for a colder paleoclimate in the late Pleistocene of the Laoshan range on the eastern Shandong Peninsula at 36 degrees 05’-36 degrees 19’N latitude, through documentation of erosional and depositional landforms that were possibly formed by glaciation. We integrate field observations documenting and mapping the existence of typical glacial cirques, glacial horns, moraines, aretes, tarn lakes, and other paleoglacial features in Mt. Laoshan, with a detailed digital elevation model (DEM) created in an ArcGIS environment, merged with Landsat ETM + imagery to document the spatial relations of these features’. Other features that may or may not be glacial in origin include large boulder fields (that could be moraines or debris avalanches), and potholes (that could have formed beneath glaciers or in river systems). Additionally, some features previously interpreted as glacial features are here re-interpreted as weathering-related phenomena. Although some of these features alone provide only weak to moderate evidence for glaciation, together the suite of indicators provides strong evidence for sea-level glaciation at 36 degrees N in the late Pleistocene of eastern China. We further integrate the evidence of glaciation with the late Pleistocene paleogeography and climate, and suggest that the glaciers formed as a result of orographic effects from moist monsoonal breezes crossing a paleolake developed in North China then rising over Mt. Laoshan and dropping their moisture there, with a wide desert formed on the leeward side of the mountains. (C) 2010 Published by Elsevier Ltd.


英文关键词Glacial landforms Quaternary Laoshan Climate change China
类型Article
语种英语
国家Peoples R China ; USA
收录类别SCI-E
WOS记录号WOS:000285437300030
WOS关键词TIBETAN PLATEAU ; LATE PLEISTOCENE ; ICE SHEETS ; SEA-LEVEL ; CLIMATE ; ALASKA ; GEOMORPHOLOGY ; MOUNTAINS ; EVOLUTION ; UPLIFT
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/168969
作者单位1.China Univ Geosci, Minist Educ, State Key Lab Geol Proc & Mineral Resources, Gorges Geohazard Res Ctr 3, Wuhan 430074, Hubei, Peoples R China;
2.Laoshan Tourist Adm, Qingdao 266062, Shandong, Peoples R China;
3.St Louis Univ, Dept Earth & Atmospher Sci, St Louis, MO 63108 USA;
4.St Louis Univ, Ctr Environm Sci, St Louis, MO 63108 USA;
5.SOA, Inst Oceanog 1, Qingdao 266061, Shandong, Peoples R China
推荐引用方式
GB/T 7714
Kusky, Timothy,Guo, Liang,Xiang, Shibao,et al. A critical examination of evidence for a Quaternary glaciation in Mt. Laoshan, Eastern China[J],2011,40(1):403-416.
APA Kusky, Timothy,Guo, Liang,Xiang, Shibao,Guo, Xiaoyu,&Xu, Xingyong.(2011).A critical examination of evidence for a Quaternary glaciation in Mt. Laoshan, Eastern China.JOURNAL OF ASIAN EARTH SCIENCES,40(1),403-416.
MLA Kusky, Timothy,et al."A critical examination of evidence for a Quaternary glaciation in Mt. Laoshan, Eastern China".JOURNAL OF ASIAN EARTH SCIENCES 40.1(2011):403-416.
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