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题名: OSL chronology and possible forcing mechanisms of dune evolution in theHorqin dunefield in northern China since the Last Glacial Maximum
作者: Yang, LinHai ;  Wang, Tao ;  Zhou, Jie ;  赖忠平 ;  Long, Hao
刊名: QUATERNARY RESEARCH
出版日期: 2012
卷号: 78, 期号:2, 页码:185-196
关键词: OSL dating ;  Dune evolution ;  Climatic change ;  Human impact ;  Horqin
英文摘要: 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.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2032
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
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.
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