The Risk Assessment of Debris Flow Hazards in Banshanmen Gully Based on the Entropy Weight-Normal Cloud Method

Table 3

The synthetic parameters of debris flow.

Name of ditch	The length of replenishment section X1 (%)	Longitudinal slope of main ditch X2 (‰)	The gradient of side slope X3 (°)	The length of ditch X4 (Km)	Reserves of loose substance X5 (10^4 m^3/km^2)	Drainage area X6 (km^3)	Rainfall X7 (mm)
Main ditch	0.1446	0.0392	0.0861	0.3898	0.0765	0.6627	0.1018
1#branch ditch	0.0955	0.0746	0.0949	0.0707	0.0765	0.0478	0.0993
2#branch ditch	0.0955	0.0854	0.0949	0.0711	0.0765	0.0357	0.0978
3#branch ditch	0.0955	0.0772	0.0949	0.0651	0.0765	0.0325	0.096
4#branch ditch	0.0955	0.0882	0.0949	0.0981	0.0765	0.0673	0.094
5#branch ditch	0.0955	0.1006	0.0949	0.0674	0.0765	0.0324	0.0957
6#branch ditch	0.1035	0.1108	0.0949	0.0763	0.1276	0.295	0.1046
7#branch ditch	0.1067	0.1316	0.117	0.0622	0.2602	0.0307	0.1061
8#branch ditch	0.0987	0.1357	0.1104	0.0502	0.0765	0.0245	0.1025
9#branch ditch	0.0987	0.1629	0.117	0.0491	0.0765	0.0369	0