Holocene landslide-dammed lake deposits in the Upper Jinsha River, SE Tibetan Plateau and their ages

被引：81
|
作者：
Chen, Jian [1 ]
Dai, Fuchu [2 ]
Lv, Tongyan [3 ]
Cui, Zhijiu [4 ]
机构：
[1] China Univ Geosci, Sch Engn & Technol, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Inst Geol & Geophys, Div Tibet Plateau, Beijing 100029, Peoples R China
[3] Chinese Acad Sci, Inst Geol & Geophys, Div Cenozo Geol & Environm, Beijing 100029, Peoples R China
[4] Beijing Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
来源：
QUATERNARY INTERNATIONAL | 2013年 / 298卷
基金：
中国国家自然科学基金;
关键词：
CLIMATE; CHINA;
D O I：
10.1016/j.quaint.2012.09.018
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
In the Zhongza-Batang segment of the Upper Jinsha River in the southeast of the Tibetan Plateau, there are eight old landslide dams, with nearby associations of relict landslides, lacustrine sediments, and fluvial sediments. Associations of this kind provide key evidence for identifying the lacustrine sediments as landslide-dammed lake deposits. The C-14 ages of 12 samples and the OSL ages of 9 samples show that the landslide-dammed lake deposits formed during a period of about 122 AD-1100 AD, corresponding to the time of the late Donghan Dynasty to the middle of the Song Dynasty. Landslides that formed the landslide-dammed lake deposits are inferred to be due to earthquakes triggered by active faults. (C) 2012 Elsevier Ltd and INQUA. All rights reserved.
引用
收藏
页码：107 / 113
页数：7
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