Arid
DOI10.1016/j.aeolia.2015.01.002
Holocene aeolian activities in the southeastern Mu Us Desert, China
Jia, Feifei1,2; Lu, Ruijie1,2; Gao, Shangyu1,2; Li, Jinfeng1,2; Liu, Xiaokang1,2
通讯作者Lu, Ruijie
来源期刊AEOLIAN RESEARCH
ISSN1875-9637
EISSN2212-1684
出版年2015
卷号19页码:267-274
英文摘要

Aeolian deposits from three sites in the Mu Us Desert were used to reconstruct the history of aeolian activities during the Holocene. The results of the lithologies, chronologies and proxy indicators showed that aeolian activities occurred at similar to 9.96 cal ka BP, 7.9-6.9 ka BP, 6.4 ka BP and 3.8 cal ka BP similar to. The cold event that occurred around 6.4 ka BP interrupted the Holocene Optimum period, which is largely consistent with the findings from sediments in adjacent regions and the monsoon areas of China. Combined with punished OSL and C-14 ages of aeolian deposits samples in this region, the environmental changes in the Mu Us Desert were divided into four stages. Active sand dunes dominated before 11 ka BP. Aeolian activities occurred regionally from 11 to 8.5 ka BP and typical sandy paleosol widely developed with episodic aeolian activities between 8.5 and 4 ka BP. Dunes have reactivated and active sand dunes have gradually increased since 4 ka BP. Comparisons with the other paleoclimatic records indicated that the evolution of the Mu Us Desert was closely related to the East Asian monsoon. Paleosol development depended more on the precipitation brought by the East Asian summer monsoon (EASM). The stronger East Asian winter monsoon (EAMW) and higher isolation resulted in the aeolian activities in the early Holocene, while during the mid-Holocene the fluctuating EAWM played a more important role in inducing episodic aeolian activities. The environmental deterioration during the late Holocene can be related to weakened EASM or to increased anthropogenic influence. (C) 2015 Elsevier B.V. All rights reserved.


英文关键词Holocene Aeolian deposits Aeolian activity Mu Us Desert
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000367023000013
WOS关键词LOESS PLATEAU ; LATE QUATERNARY ; MONSOON STRENGTH ; TIBETAN PLATEAU ; HIGH-RESOLUTION ; NORTHERN CHINA ; INNER-MONGOLIA ; WINTER MONSOON ; ASIAN MONSOON ; EAST-ASIA
WOS类目Geography, Physical
WOS研究方向Physical Geography
来源机构北京师范大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/185503
作者单位1.Beijing Normal Univ, Minist Educ China, Key Lab Environm Change & Nat Disaster, Beijing, Peoples R China;
2.State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
推荐引用方式
GB/T 7714
Jia, Feifei,Lu, Ruijie,Gao, Shangyu,et al. Holocene aeolian activities in the southeastern Mu Us Desert, China[J]. 北京师范大学,2015,19:267-274.
APA Jia, Feifei,Lu, Ruijie,Gao, Shangyu,Li, Jinfeng,&Liu, Xiaokang.(2015).Holocene aeolian activities in the southeastern Mu Us Desert, China.AEOLIAN RESEARCH,19,267-274.
MLA Jia, Feifei,et al."Holocene aeolian activities in the southeastern Mu Us Desert, China".AEOLIAN RESEARCH 19(2015):267-274.
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