摘要
泥石流的爆发势必对居民的生命财产安全带来直接危害,因此研究该泥石流沟的动力学特征及预测评价其危险性对合理制定泥石流防治措施,确保工程运行具有重要意义。根据泥石流形成条件及发育特征分析,初咱磨子沟再次爆发泥石流的可能性较大;在对该沟进行实地调查所获资料的基础上,对其泥石流的动力学特征进行计算,并利用所选取的14个评价因子采用层次分析法对其危险性做了定量评价。研究发现,该沟泥石流的危险度为65.75,属高度危险,研究结果可为初咱磨子沟泥石流防治工程及防灾减灾提供可靠的依据。
The occurrence of debris flows in this catchment directly threatens the safety of the local people.Study on the dynamic character and its hazard assessment are the necessary prerequisite for the control schemes of debris flow and the safety function of the engineering.In terms of the characteristic of debris flow and the forming condition analysis,it was highly possible that debris in this catchment would occur once more;based on the field investigation data of Chuzanmozi catchment,the dynamic parameters were calculated,the risk of debris flow was evaluated by using the selection of 14 evaluation factors calculated by using AHP,results indicated that the risk degree of debris flows in the cathcment was 65.75,belonging to highly hazardousness,which could provide basis data for debris flow mitigation in Chuzanmozigou catchment.
出处
《水土保持研究》
CSCD
北大核心
2012年第4期234-238,共5页
Research of Soil and Water Conservation
关键词
初咱磨子沟
泥石流
动力学特征
危险性评价
Chuzanmozigou catchment
debris flow
dynamic character
hazard assessment
