Official Journal of the Asia Oceania Geosciences Society (AOGS)
Landslide predisposing factors | Classes | Areij (%) | Samij (%) | FR |
---|---|---|---|---|
Altitude (m) | 278–548 | 32.00 | 57.98 | 1.81 |
548–781 | 31.06 | 28.02 | 0.90 | |
781–1075 | 17.68 | 11.67 | 0.66 | |
1075–1432 | 12.33 | 2.33 | 0.19 | |
1432–2107 | 6.93 | 0.00 | 0.00 | |
Slope angle (\(^\circ\)) | 0.0000–9.6093 | 19.68 | 30.35 | 1.54 |
9.6093–17.3502 | 27.24 | 31.91 | 1.17 | |
17.3502–24.8241 | 26.64 | 24.12 | 0.91 | |
24.8241–33.6327 | 18.95 | 10.51 | 0.55 | |
33.6327–67.7992 | 7.49 | 3.11 | 0.42 | |
Slope aspect | Flat | 0.06 | 0.00 | 0.00 |
North | 10.71 | 8.17 | 0.76 | |
Northeast | 11.81 | 11.28 | 0.96 | |
East | 15.32 | 19.84 | 1.30 | |
Southeast | 12.82 | 12.84 | 1.00 | |
South | 11.01 | 14.01 | 1.27 | |
Southwest | 11.43 | 7.78 | 0.68 | |
West | 14.37 | 16.34 | 1.14 | |
Northwest | 12.47 | 9.73 | 0.78 | |
NDVI | −0.0983–0.1717 | 7.26 | 5.45 | 0.75 |
0.1717–0.2410 | 19.94 | 12.06 | 0.60 | |
0.2410–0.3030 | 28.86 | 31.13 | 1.08 | |
0.3030–0.3698 | 28.81 | 35.02 | 1.22 | |
0.3698–0.5308 | 15.13 | 16.34 | 1.08 | |
Distance to rivers (m) |  < 100 | 7.19 | 8.56 | 1.19 |
100–200 | 5.48 | 6.23 | 1.14 | |
200–300 | 5.16 | 7.39 | 1.43 | |
300–400 | 4.94 | 7.78 | 1.57 | |
 > 400 | 77.22 | 70.04 | 0.91 | |
Distance to roads (m) |  < 100 | 6.30 | 11.67 | 1.85 |
100–200 | 5.39 | 8.17 | 1.51 | |
200–300 | 4.82 | 7.78 | 1.62 | |
300–400 | 4.50 | 6.23 | 1.38 | |
 > 400 | 79.00 | 66.15 | 0.84 | |
Distance to faults (m) |  < 1000 | 11.60 | 19.46 | 1.68 |
1000–2000 | 10.87 | 12.84 | 1.18 | |
2000–3000 | 9.77 | 11.67 | 1.19 | |
3000–4000 | 8.88 | 9.73 | 1.10 | |
 > 4000 | 58.87 | 46.30 | 0.79 | |
Lithology | Quaternary | 18.02 | 28.40 | 1.58 |
Tertiary | 3.69 | 8.56 | 2.32 | |
Middle Devonian | 9.46 | 1.95 | 0.21 | |
Lower Devonian | 2.40 | 1.95 | 0.81 | |
Silurian | 4.49 | 1.95 | 0.43 | |
Ordovician | 2.38 | 1.17 | 0.49 | |
Cambrian | 25.54 | 14.40 | 0.56 | |
Senian | 33.99 | 36.19 | 1.06 | |
MAP (mm/year) |  < 800 | 12.03 | 7.39 | 0.61 |
800–850 | 22.39 | 19.84 | 0.89 | |
850–900 | 31.01 | 39.69 | 1.28 | |
900–950 | 14.82 | 10.12 | 0.68 | |
950–1000 | 3.37 | 5.06 | 1.50 | |
 > 1000 | 16.39 | 17.90 | 1.09 |