[1]佘涛,谢洪,王士革,等.贡嘎山东坡湾东河泥石流的特征及危险度评价[J].水土保持研究,2008,15(03):242-245.
　SHE Tao,XIE Hong,WANG Shi-ge,et al.Characteristics and Hazard Assessment of Wandong River Debris Flow on East Slope of Gongga Mountain[J].Research of Soil and Water Conservation,2008,15(03):242-245.
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贡嘎山东坡湾东河泥石流的特征及危险度评价

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年03期 页码: 242-245 栏目: 出版日期: 2008-06-20
Title:
Characteristics and Hazard Assessment of Wandong River Debris Flow on East Slope of Gongga Mountain
作者:
佘涛1,2, 谢洪1, 王士革1, 孔纪名1, 刘正梁1,2
1. 中国科学院 水利部 成都山地灾害与环境研究所, 成都 610041;
2. 中国科学院 研究生院, 北京 100049
Author(s):
SHE Tao1,2, XIE Hong1, WANG Shi-ge1, KONG Ji-ming1, LIU Zheng-liang1,2
1. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences & Ministry of Water Conservancy, Chengdu 610041, China;
2. Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
关键词:
泥石流; 湾东河; 形成条件; 危险度
Keywords:
debris flow; Wandong river; formation condition; hazard
分类号:
P642.23
摘要:
湾东河是大渡河上游的一条支流，流域面积170.6 km2，河床比降137.5‰。通过对湾东河主河与支沟泥石流形成条件、特征进行分析得知，主河暴发低频率泥石流，一般50~100 a才活动一次，流体性质以过渡性为主；支沟银厂沟和板板棚沟为中-低频率泥石流沟，中等规模的泥石流分别10~20 a和20~30 a发生一次，大规模和特大规模的泥石流50~100 a活动一次，流体性质均为黏性泥石流。3条河（沟）均为高度危险的泥石流沟，危险度值分别为0.68，0.70和0.61。
Abstract:
Wandong River is a tributary of the Dadu River on the upper reach,with 170.6 km2 of basin area and 137.5‰ of river-bed gradient.By research on formation condition,characteristic of debris flow in main river and tributaries,we know that main river often breaks out low frequency and transitional debris flow,with return period of 50~100 years.Debris flow happened in Yinchang Gully and Banbanpeng Gully are medium-low frequency debris flow,with return period of 10~20 years and 20~30 years for the moderate-scaled debris flows,50~100 years for the large-scaled ones.All of the debris flows in tributaries are viscous.This paper has also discussed debris flow hazard assessment in Wandong River.Yinchang Gully and Banbanpeng Gully are the high hazard debris flow gullies,with the hazard degree of 0.68,0.70,0.61,respectively.

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备注/Memo

收稿日期:2007-8-31。
基金项目:国家自然科学基金项目（40501008）
作者简介:佘涛（1981- ），男，四川泸州人，在读硕士，主要从事泥石流与山地环境研究。E-mail：shetao81618@163.com
通讯作者:谢洪（1959- ），男，四川成都人，研究员，主要从事泥石流等山地灾害及防治研究。E-mail：xhong@imde.ac.cn

更新日期/Last Update: 1900-01-01