Risk Assessment of Debris Flow in Huyugou River Basin Based on Machine Learning and Mass Flow

Table 4

Hazard zoning parameters of the debris flow.

Dangerousness	Depth of mud	Association	Mud depth and flow velocity product
High	H ≥ 3.0	Or	VH ≥ 3.0
Middle	0.5 ≤ H < 3.0	And	0.5 ≤ VH < 3.0
Low	0 < H < 0.5	And	0 < VH < 0.5