OSL chronology and possible forcing mechanisms of dune evolution in theHorqin dunefield in northern China since the Last Glacial Maximum

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	OSL chronology and possible forcing mechanisms of dune evolution in theHorqin dunefield in northern China since the Last Glacial Maximum
	Yang, LinHai; Wang, Tao; Zhou, Jie; Lai, ZhongPing; Long, Hao
	2012
Source Publication	QUATERNARY RESEARCH
ISSN	0033-5894
Volume	78 Issue:2 Pages:185-196
Keyword	Osl Dating Dune Evolution Climatic Change Human Impact Horqin
Abstract	The evolution processes and forcing mechanisms of the Horqin dunefield in northern China are poorly understood. In this study, systematic OSL dating of multiple sites is used together with pollen analysis of a representative section in order to reconstruct the evolution of the dunefield since the Last Glacial Maximum (LGM). Our results show that there was extensive dune mobilization 25-10 ka, transition to stabilization 10-8 ka, considerable dune stabilization 8-3 ka, and multiple episodes of stabilization and mobilization after 3 ka. Comparison of dune evolution of the dunefields in northern China during the Holocene showed that Asian monsoon and resultant effective moisture have played an important role in the evolution of dunefields at the millennial time scale. Further analysis indicated that the dune evolution in the Horqin dunefield before 3 ka was synchronous with climatic changes. However, increasing human activity has impacted dune evolution during the last 3 ka. (c) 2012 University of Washington. Published by Elsevier Inc. All rights reserved. The evolution processes and forcing mechanisms of the Horqin dunefield in northern China are poorly understood. In this study, systematic OSL dating of multiple sites is used together with pollen analysis of a representative section in order to reconstruct the evolution of the dunefield since the Last Glacial Maximum (LGM). Our results show that there was extensive dune mobilization 25-10 ka, transition to stabilization 10-8 ka, considerable dune stabilization 8-3 ka, and multiple episodes of stabilization and mobilization after 3 ka. Comparison of dune evolution of the dunefields in northern China during the Holocene showed that Asian monsoon and resultant effective moisture have played an important role in the evolution of dunefields at the millennial time scale. Further analysis indicated that the dune evolution in the Horqin dunefield before 3 ka was synchronous with climatic changes. However, increasing human activity has impacted dune evolution during the last 3 ka. (c) 2012 University of Washington. Published by Elsevier Inc. All rights reserved.
Document Type	期刊论文
Identifier	http://ir.isl.ac.cn/handle/363002/2032
Collection	青海盐湖研究所知识仓储
Recommended Citation GB/T 7714	Yang, LinHai,Wang, Tao,Zhou, Jie,et al. OSL chronology and possible forcing mechanisms of dune evolution in theHorqin dunefield in northern China since the Last Glacial Maximum[J]. QUATERNARY RESEARCH,2012,78(2):185-196.
APA	Yang, LinHai,Wang, Tao,Zhou, Jie,Lai, ZhongPing,&Long, Hao.(2012).OSL chronology and possible forcing mechanisms of dune evolution in theHorqin dunefield in northern China since the Last Glacial Maximum.QUATERNARY RESEARCH,78(2),185-196.
MLA	Yang, LinHai,et al."OSL chronology and possible forcing mechanisms of dune evolution in theHorqin dunefield in northern China since the Last Glacial Maximum".QUATERNARY RESEARCH 78.2(2012):185-196.

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