从地形、物源、水源等方面,介绍了丹巴县简岭沟泥石流的形成条件,并结合该泥石流的灾害史,分析了泥石流的危险性及威胁范围,评估了其造成主河革什扎河堵塞和溃决的可能性,为泥石流的治理提供了依据.%From the terrain, provenance, water source and other aspects, this paper introduced the formation conditions of Jianling ditch debris flow in Danba, and combining with the disaster history of debris flow, analyzed the risk and threat range of debris flow, assessment of the possibility resulted blockage and burst of main river Geshizha river, provided basis for debris flow treatment.
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