Susceptibility Evaluation of Debris Flow in the Wudu District,
详细信息
- 责任者：Liu Jinfeng (Key Laboratory of Mountain Surface Process and Hazards ; Chinese Academy of Sciences ; Chengdu 610041 ; China) ; Huang Jiangcheng
- 刊名：The Chinese Journal of Geological Hazard and Control
- 出版年：2010
- 卷期：21(4)
- 关键词：泥石流 ; debris flows ; 甘肃 ; Gansu Province
- 页码：p.8-13,21
- 图表：2 illus., 2 tables, 13 refs.
- 分类号：1800
- issnNo：ISSN1003-8035
- isbnNo：CN11-2825/P
摘要
The natural environment backgrounds, development characteristics and susceptibility of debris flows in the Wudu District of Longnan City are discussed in this paper. The result shows that the characteristics of debris flows in the study area are as follows: the distribution density is high; the small gully and slope debris flows develop widely; the debris flows on the north bank are more developed than those of on south bank, and the proportion of viscous debris flows on the north bank are more than those on the south bank. The 7 factors including lithology, channel gradient, slope, integrity coefficient, development degree, precipitation and fault density, are selected to form a susceptibility evaluation index system.