摘要
九寨沟景区卓追沟具有泥石流发生的地形地貌条件、物质来源条件、水源条件,该沟道每年雨季都会暴发一定规模的泥石流.为制定科学合理的治理方案,对泥石流的形成原因、基本特征、灾害历史开展了调查、分析工作,并对泥石流各参数进行了计算.建议于沟道下游设置拦挡减速并结合沟口开阔地带设置停淤场对该沟进行治理.
Abstract
The Zhuozhuigou of Jiuzhaigou Scenic Area has the topographical,geomorphic,provenance,water source conditions needed for debris flow,which therefore occurs every year in rainy seasons.From the investigation and analysis of corresponding causes,basic characteristics and history,as well as the calcula-tions of relevant parameters.For the above considerations,a stop along the downstream and a deposit field in an open area at the entrance are suggested for treatment.