Holocene debris-flow deposits and their implications on the climate in the upper Jinsha River valley, China

doi:10.1016/j.geomorph.2007.03.011

	Holocene debris-flow deposits and their implications on the climate in the upper Jinsha River valley, China
	Chen, Jian; Dai, Fuchu; Yao, Xin
刊名	GEOMORPHOLOGY
	2008-01-15
卷号	93 期号:3-4 页码:493-500
关键词	Jinsha River Tibetan plateau debris flow fluvial terrace optically stimulated luminescence Holocene
ISSN号	0169-555X
DOI	10.1016/j.geomorph.2007.03.011
文献子类	Article
英文摘要	Major debris-flow deposits occur along the xerothermic valley of the upper Jinsha River. The debris-flow deposits, ranging in thickness from 1 to 20 m, invariably occupy gently inclined piedmont slopes. The sediments are presently deeply dissected by gullies, and the process of mass movement has almost ceased. Detailed textural, stratigraphical, and geochemical studies reveal the formation processes of the debris flows. Seven debris-flow incidents are noted based on the unit combination characteristics of debris-flow deposits. The age estimates of optically stimulated luminescence (OSL) show that the occurrence of debris flows started at around 10.6 kyr BP and weakened until 4.5 kyr BP, corresponding to the obvious strengthened phase of the summer monsoons in the region. The ages of the debris-flow deposits indicate that the occurrence of a mass of debris flows was a response to the intensified summer monsoon in the SE fringe of the Tibetan Plateau since the early Holocene. (c) 2007 Elsevier B.V. All rights reserved.
WOS关键词	OPTICALLY STIMULATED LUMINESCENCE ; TIBETAN PLATEAU ; RECORD ; SEDIMENTS ; LAKE
WOS研究方向	Physical Geography ; Geology
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000255899700021
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/69419]
专题	中国科学院地质与地球物理研究所
通讯作者	Chen, Jian
作者单位	CAS, Inst Geochem & Geophys, Beijing 100029, Peoples R China
推荐引用方式 GB/T 7714	Chen, Jian,Dai, Fuchu,Yao, Xin. Holocene debris-flow deposits and their implications on the climate in the upper Jinsha River valley, China[J]. GEOMORPHOLOGY,2008,93(3-4):493-500.
APA	Chen, Jian,Dai, Fuchu,&Yao, Xin.(2008).Holocene debris-flow deposits and their implications on the climate in the upper Jinsha River valley, China.GEOMORPHOLOGY,93(3-4),493-500.
MLA	Chen, Jian,et al."Holocene debris-flow deposits and their implications on the climate in the upper Jinsha River valley, China".GEOMORPHOLOGY 93.3-4(2008):493-500.