Table 3 Weight index values of various classes of five controlling factors
Factor | Class area | Landslide number | LND | WI |
|---|---|---|---|---|
Elevation | ||||
 610–1000 m | 155.94 | 159 | 1.02 | -1.05 |
 1000–1500 m | 433 | 438 | 1.01 | -1.06 |
 1500–2000 m | 226.03 | 1000 | 4.42 | 0.41 |
 2000–2500 m | 95.24 | 981 | 10.3 | 1.26 |
 2500–3000 m | 58.83 | 327 | 5.56 | 0.64 |
 3000–4750 m | 58.39 | 100 | 1.71 | -0.54 |
Slope angle | ||||
 0–5° | 139.07 | 15 | 0.11 | -3.3 |
 5–10° | 86.75 | 42 | 0.48 | -1.8 |
 10–15° | 96.61 | 71 | 0.73 | -1.38 |
 15–20° | 141.86 | 144 | 1.02 | -1.06 |
 20–25° | 163.49 | 290 | 1.77 | -0.5 |
 25–30° | 152.92 | 458 | 3.00 | 0.02 |
 30–35° | 115.59 | 641 | 5.55 | 0.64 |
 35–40° | 76.65 | 640 | 8.35 | 1.05 |
 40–74° | 54.5 | 704 | 12.92 | 1.49 |
Slope aspect | ||||
 Flat | 16.63 | 6 | 0.36 | -2.09 |
 N | 120.07 | 300 | 2.50 | -0.16 |
 NE | 131.27 | 459 | 3.50 | 0.18 |
 E | 112.63 | 549 | 4.87 | 0.51 |
 SE | 119.02 | 545 | 4.58 | 0.45 |
 S | 121.36 | 305 | 2.51 | -0.15 |
 SW | 158.51 | 295 | 1.86 | -0.45 |
 W | 127.22 | 312 | 2.45 | -0.18 |
 NW | 120.72 | 234 | 1.94 | -0.41 |
Lithology | ||||
 Ti | 29.34 | 101 | 3.44 | 0.16 |
 Pc1 | 308.10 | 2564 | 8.32 | 1.05 |
 Pc2 | 288.82 | 324 | 1.12 | -0.96 |
 Pc3 | 345.91 | 16 | 0.05 | -4.15 |
 Mi | 55.26 | 0 | 0 | -14.89 |
Seismic intensity | ||||
 VIII | 185.60 | 60 | 0.32 | -2.2 |
 IX | 841.84 | 2945 | 3.5 | 0.18 |