Be-10 in quartz gravel from the Gobi Desert and evolutionary history of alluvial sedimentation in the Ejina Basin, Inner Mongolia, China

doi:10.1007/s11434-010-4103-6

	Be-10 in quartz gravel from the Gobi Desert and evolutionary history of alluvial sedimentation in the Ejina Basin, Inner Mongolia, China
	Lue YanWu 1; Gu ZhaoYan 1; Aldahan, Ala 2; Zhang HuCai 3; Possnert, Goran 4; Lei GuoLiang 3
刊名	CHINESE SCIENCE BULLETIN
	2010-11-01
卷号	55 期号:33 页码:3802-3809
关键词	Be-10 Gobi Desert alluvial fan Ejina Basin tectonic activity climate
ISSN号	1001-6538
DOI	10.1007/s11434-010-4103-6
文献子类	Article
英文摘要	Reconstructing the evolutionary history of the Gobi deserts developed from alluvial sediments in arid regions has great significance in unraveling changes in both tectonic activity and climate. However, such work is limited by a lack of suitable dating material preserved in the Gobi Desert, but cosmogenic Be-10 has great potential to date the Gobi deserts. In the present study, Be-10 in quartz gravel from the Gobi deserts of the Ejina Basin in Inner Mongolia of China has been measured to assess exposure ages. Results show that the Gobi Desert in the northern margin of the basin developed 420 ka ago, whereas the Gobi Desert that developed from alluvial plains in the Heihe River drainage basin came about during the last 190 ka. The latter developed gradually northward and eastward to modern terminal lakes of the river. These temporal and spatial variations in the Gobi deserts are a consequence of alluvial processes influenced by Tibetan Plateau uplift and tectonic activities within the Ejina Basin. Possible episodes of Gobi Desert development within the last 420 ka indicate that the advance/retreat of alpine glaciers during glacial/interglacial cycles might have been the dominant factor to influencing the alluvial intensity and water volume in the basin. Intense floods and large water volumes would mainly occur during the short deglacial periods.
WOS关键词	SITU COSMOGENIC NUCLIDES ; NW CHINA ; FLUVIAL TERRACES ; PRODUCTION-RATES ; NORTHWEST CHINA ; EROSION RATES ; COSMIC-RAYS ; AL-26 ; FAN ; ISOTOPES
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000285101400010
资助机构	Chinese Academy of Sciences(KZCX2-YW-117) ; Chinese Academy of Sciences(KZCX2-YW-117) ; National Natural Science Foundation of China(40841022 ; National Natural Science Foundation of China(40841022 ; 40373046) ; 40373046) ; Chinese Academy of Sciences(KZCX2-YW-117) ; Chinese Academy of Sciences(KZCX2-YW-117) ; National Natural Science Foundation of China(40841022 ; National Natural Science Foundation of China(40841022 ; 40373046) ; 40373046) ; Chinese Academy of Sciences(KZCX2-YW-117) ; Chinese Academy of Sciences(KZCX2-YW-117) ; National Natural Science Foundation of China(40841022 ; National Natural Science Foundation of China(40841022 ; 40373046) ; 40373046) ; Chinese Academy of Sciences(KZCX2-YW-117) ; Chinese Academy of Sciences(KZCX2-YW-117) ; National Natural Science Foundation of China(40841022 ; National Natural Science Foundation of China(40841022 ; 40373046) ; 40373046)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/72032]
专题	中国科学院地质与地球物理研究所
通讯作者	Gu ZhaoYan
作者单位	1.Chinese Acad Sci, Key Lab Cenozo Geol & Environm, Inst Geol & Geophys, Beijing 100029, Peoples R China 2.Uppsala Univ, Dept Earth Sci, S-75236 Uppsala, Sweden 3.Chinese Acad Sci, Inst Geog & Limnol, Nanjing 210008, Peoples R China 4.Uppsala Univ, Tandem Lab, S-75121 Uppsala, Sweden
推荐引用方式 GB/T 7714	Lue YanWu,Gu ZhaoYan,Aldahan, Ala,et al. Be-10 in quartz gravel from the Gobi Desert and evolutionary history of alluvial sedimentation in the Ejina Basin, Inner Mongolia, China[J]. CHINESE SCIENCE BULLETIN,2010,55(33):3802-3809.
APA	Lue YanWu,Gu ZhaoYan,Aldahan, Ala,Zhang HuCai,Possnert, Goran,&Lei GuoLiang.(2010).Be-10 in quartz gravel from the Gobi Desert and evolutionary history of alluvial sedimentation in the Ejina Basin, Inner Mongolia, China.CHINESE SCIENCE BULLETIN,55(33),3802-3809.
MLA	Lue YanWu,et al."Be-10 in quartz gravel from the Gobi Desert and evolutionary history of alluvial sedimentation in the Ejina Basin, Inner Mongolia, China".CHINESE SCIENCE BULLETIN 55.33(2010):3802-3809.