Conflux Feature Analysis of Yeniu Ravine Disastrous Debris Flow in Kangding County , Sichuan
详细信息
- 责任者：Wang Donghui (Chengdu Institute of Geology and Mineral Resources ; Chengdu 610081 ; China) ; Liang Bo
- 刊名：The Chinese Journal of Geological Hazard and Control
- 出版年：2011
- 卷期：22(2)
- 关键词：泥石流 ; debris flows ; 四川 ; Sichuan Province
- 页码：p.50-54
- 图表：1 illus., 5 tables, 10 refs.
- 分类号：1800
- issnNo：ISSN1003-8035
- isbnNo：CN11-2825/P
摘要
A debris flow occurs in Yeniu Ravine of Kangding on July 7, 2005, made great losses. Jintang River has been blocked which is a branch of Dadu River. There are three major features of the Yeniu Ravine debris flow. Firstly, it is a low frequency and high viscous debris flow with a 50 year round. Secondly, it has very quick speed. Thirdly, the discharge has a suddenly increase along the process of the debris flow. The peak flow of Jisuozi Ravine and Zhichang Ravine, and the unstable sources in circulation area enter into Yeniu Ravine in a small region, that made the discharge a suddenly increase in the last part of circulation area.