中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
First geomorphological and sedimentological evidence for the combined tectonic and climate control on Quaternary Yarlung river diversion in the eastern Himalaya

文献类型:期刊论文

作者Yin, A; Xu, XM (Xu, Xiao-Mei)7; Ding, L (Ding, Lin)6; Liu, WC (Liu, Wen-Can)2,3; Yin, A (Yin, An)1,2,3,5; Zhang, JY (Zhang, Jin-Yu)2,3,4
刊名LITHOSPHERE
出版日期2016
卷号8期号:3页码:293-316
关键词Indian-summer Monsoon Asian Southwest Monsoon Namche-barwa Syntaxis Last Glacial Maximum Tibetan Plateau Tsangpo Gorge Southeastern Tibet Southern Tibet U-pb Structural Evolution
DOI10.1130/L500.1
文献子类Article
英文摘要 This study investigates the combined effects of Quaternary climate change and tectonically induced topography on the Yarlung River drainage-system evolution in the eastern Himalaya. Our work integrates field mapping, geomorphological analysis, stratigraphy, sedimentology, optically stimulated luminescence dating, radiocarbon dating, and detrital-zircon dating of a Holocene valley-fill sequence in a Yarlung River tributary. This holistic approach reveals an aggradational event, which started at or soon after 24-20 k.y. B.P. and continued to or after 9.2-8.0 k.y.B.P. across the Himalayan drainage divide between the east-flowing Yarlung River in the north and the south-flowing Subansiri River in the south. The aggradational event was associated with a major phase of glacier advance during a period of warm and wet climate conditions in the eastern Himalaya; it was expressed by the deposition of a valley-fill sequence across the modern Yarlung-Subansiri drainage divide. South-flowing fluvial sediments across the divide and the elevation distribution of the fluvial terraces require the existence of a major glacier dam that either blocked a tributary or the main trunk of the Yarlung River. Although we are unable to differentiate the two competing scenarios, our work reveals that combined Holocene climate change and tectonically induced topography have played a major role in controlling rapid shifts in drainage geometry at a time scale of <10 k.y. across the Himalaya.
学科主题地质学
语种英语
WOS记录号WOS:000378111700005
源URL[http://ir.itpcas.ac.cn/handle/131C11/7687]  
专题青藏高原研究所_图书馆
通讯作者Yin, A
作者单位1.Univ Calif Los Angeles, Inst Planets & Exoplanets, Los Angeles, CA 90095 USA
2.China Univ Geosci, State Key Lab Geol Proc & Mineral Res, Beijing 100083, Peoples R China
3.China Univ Geosci, Struct Geol Grp, Beijing 100083, Peoples R China
4.China Earthquake Adm, Inst Geol, Beijing 100029, Peoples R China
5.Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA 90095 USA
6.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China
7.Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA 92697 USA
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GB/T 7714
Yin, A,Xu, XM ,Ding, L ,et al. First geomorphological and sedimentological evidence for the combined tectonic and climate control on Quaternary Yarlung river diversion in the eastern Himalaya[J]. LITHOSPHERE,2016,8(3):293-316.
APA Yin, A,Xu, XM ,Ding, L ,Liu, WC ,Yin, A ,&Zhang, JY .(2016).First geomorphological and sedimentological evidence for the combined tectonic and climate control on Quaternary Yarlung river diversion in the eastern Himalaya.LITHOSPHERE,8(3),293-316.
MLA Yin, A,et al."First geomorphological and sedimentological evidence for the combined tectonic and climate control on Quaternary Yarlung river diversion in the eastern Himalaya".LITHOSPHERE 8.3(2016):293-316.

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来源:青藏高原研究所

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