IMHE OpenIR  > 山地灾害与地表过程重点实验室
Main types of soil mass failure and characteristics of their impact factors in the Yuanmou Valley, China
Anqiang Chen1; Dan Zhang2; Bangguo Yan3; Baokun Lei1; Gangcai Liu3
Corresponding Author刘刚才
2015
Source PublicationCATENA
ISSN0341-8162
EISSN1872-6887
Volume125Pages:82-90
SubtypeArticle
Abstract

Gully erosion is a dominant process causing soil loss in the Yuanmou Valley of Yunnan Province, China. Soil mass failure is a common process involved in gully development. The development of the gully and the occurrence of mass failure are interdependent and mutually promotive, but mass failure types have not been very well understood. In this study we identify the main types of soil mass failure and the characteristics of their impact factors in the Yuanmou Valley. A detailed field survey was conducted in May 2010 in a representative area of the studied region, and selected soil parameters were measured in the field and laboratory. Results showed that there are four different soil mass failure types: falling, sliding, exfoliating, and toppling, each having unique characteristics of geology, topography, soil, and climate. Examination of these characteristics indicates that the occurrence of mass failure is controlled by four factors: 1) the typical geological structure of the Yuanmou Group represented by alternating layers of sand and clay; 2) the different terrain and landforms; 3) the different gully development stages; and 4) the particular soil properties under special weather conditions, including a dry-hot climate with distinct wet and dry seasons. (C) 2014 Elsevier B.V. All rights reserved.

KeywordSoil Collapse
DOI10.1016/j.catena.2014.10.011
Indexed BySCI
Language英语
Quartile3区
TOP
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17794
Collection山地灾害与地表过程重点实验室
Affiliation1.Institute of Agricultural Environment and Resources, Yunnan Academy of Agricultural Science, Kunming 650205, China
2.College of Resources and Environment, Yunnan Agricultural University, Kunming 650205, Chin
3.Key Laboratory of Mountain Hazards and Earth Surface Processes, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources, Chengdu
Recommended Citation
GB/T 7714
Anqiang Chen,Dan Zhang,Bangguo Yan,et al. Main types of soil mass failure and characteristics of their impact factors in the Yuanmou Valley, China[J]. CATENA,2015,125:82-90.
APA Anqiang Chen,Dan Zhang,Bangguo Yan,Baokun Lei,&Gangcai Liu.(2015).Main types of soil mass failure and characteristics of their impact factors in the Yuanmou Valley, China.CATENA,125,82-90.
MLA Anqiang Chen,et al."Main types of soil mass failure and characteristics of their impact factors in the Yuanmou Valley, China".CATENA 125(2015):82-90.
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