Formation Process and Start-up Mechanism of Debris Flow in Gurugou Vegetation Area
On July 14,2021,a debris flow broke out in Gurugou,Heishui County,causing heavy losses.This paper analyze the formation conditions,provenance initiation and transformation,the formation process and initiation mechanism in the high vegetation forest covered gully.The start-up mechanism of debris flow caused by the blocking of Qiaomu Dam in Gurugou Valley,the genesis of debris flow disaster caused by trees blocking Bridges and culverts,and suggestions on prevention and control measures are also proposed.The influence of vegetation on the start-up of debris flow disaster is revealed,which provides reference for the identification and prevention of debris flow in areas with high vegetation coverage.
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