Factor | Classes | Landslide | IV | FR | WoE | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
pixels in classes | ( | ( | % of total area ( | % of landslide area ( | FR | ||||||
Lithology | Flysch | 8395 | -0.343 | -28.61 | 83.5 | 45.52 | 32.31 | 0.71 | -0.357 | 0.383 | -0.740 |
Clay | 7450 | 0.175 | 14.61 | 24.07 | 28.67 | 1.19 | 0.184 | 1.096 | -0.911 | ||
Marl | 5188 | 0.710 | 59.29 | 9.81 | 19.97 | 2.03 | 0.762 | 2.150 | -1.388 | ||
Colluvium | 4950 | 0.075 | 6.22 | 17.68 | 19.05 | 1.08 | 0.078 | 1.525 | -1.447 | ||
Marly | 0 | 0.000 | 0.00 | 1.09 | 0.00 | 0 | – | – | – | ||
limestone | |||||||||||
Limestone | 0 | 0.000 | 0.00 | 1.13 | 0.00 | 0 | – | – | – | ||
Travertine | 0 | 0.000 | 0.00 | 0.70 | 0.00 | 0 | – | – | – | ||
Slope gradient (°) | 0–5° | 504 | -3.156 | -315.63 | 100.0 | 45.52 | 1.94 | 0.04 | -3.202 | 0.722 | -3.924 |
5–10° | 7603 | 0.195 | 19.54 | 24.07 | 29.26 | 1.22 | 0.206 | 1.089 | -0.883 | ||
10–15° | 9870 | 1.354 | 135.37 | 9.81 | 37.99 | 3.87 | 1.503 | 1.993 | -0.490 | ||
15–20° | 4504 | -0.020 | -1.99 | 17.68 | 17.33 | 0.98 | -0.021 | 1.541 | -1.562 | ||
20–25° | 2207 | 2.053 | 205.31 | 1.09 | 8.49 | 07.79 | 2.451 | 4.829 | -2.377 | ||
25–30° | 678 | 0.842 | 84.15 | 1.13 | 2.61 | 2.32 | 0.908 | 4.527 | -3.619 | ||
>30° | 618 | 1.219 | 121.93 | 0.70 | 2.38 | 3.38 | 1.342 | 5.057 | -3.715 | ||
Rainfall (mm) | 500 | 0 | 0.000 | 0.00 | 74.6 | 0.51 | 0.00 | 0 | - | - | - |
550 | 22019 | 0.226 | 16.86 | 67.60 | 84.74 | 1.25 | 0.238 | -1.476 | 1.715 | ||
600 | 3964 | -0.606 | -45.25 | 27.98 | 15.26 | 0.55 | -0.628 | 1.086 | -1.715 | ||
650 | 0 | 0.000 | 0.00 | 3.91 | 0.00 | 0 | – | – | – | ||
Distance to lineaments (m) | 0–400 | 17409 | 0.070 | 7.04 | 100.0 | 62.44 | 67.00 | 1.07 | 0.074 | -0.634 | 0.708 |
400–800 | 8377 | 0.491 | 49.06 | 19.74 | 32.24 | 1.63 | 0.522 | 1.264 | -0.743 | ||
800–1200 | 22 | -4.670 | -466.96 | 8.89 | 0.08 | 0.01 | -4.716 | 2.372 | -7.089 | ||
1200–1600 | 88 | -2.616 | -261.55 | 4.63 | 0.34 | 0.07 | -2.659 | 3.025 | -5.684 | ||
1600–2000 | 88 | -2.085 | -208.52 | 2.73 | 0.34 | 0.12 | -2.127 | 3.558 | -5.684 | ||
2000–2400 | 0 | 0.000 | 0.00 | 1.15 | 0.00 | 0 | – | – | – | ||
2400–2800 | 0 | 0.000 | 0.00 | 0.34 | 0.00 | 0 | – | – | – | ||
2800–3200 | 0 | 0.000 | 0.00 | 0.08 | 0.00 | 0 | – | – | – | ||
3200–3600 | 0 | 0.000 | 0.00 | 0.00 | 0.00 | 0 | – | – | – | ||
Distance to streams (m) | 0–200 | 23041 | 0.183 | 13.57 | 74.2 | 73.86 | 88.68 | 1.20 | 0.193 | -1.866 | 2.058 |
200–400 | 2942 | -0.612 | -45.38 | 20.87 | 11.32 | 0.54 | -0.634 | 1.425 | -2.058 | ||
400–600 | 0 | 0.000 | 0.00 | 4.12 | 0.00 | 0 | - | – | – | ||
600–800 | 0 | 0.000 | 0.00 | 0.98 | 0.00 | 0 | – | – | – | ||
800–1000 | 0 | 0.000 | 0.00 | 0.17 | 0.00 | 0 | – | – | – | ||
Elevation (m) | 500–600 | 1347 | -0.424 | -25.07 | 59.2 | 7.92 | 5.19 | 0.65 | -0.440 | 2.466 | -2.906 |
600–700 | 3040 | -0.520 | -30.78 | 19.68 | 11.70 | 0.59 | -0.540 | 1.481 | -2.021 | ||
700–800 | 8249 | 0.422 | 24.99 | 20.81 | 31.75 | 1.53 | 0.448 | 1.214 | -0.765 | ||
800–900 | 8607 | 0.811 | 47.96 | 14.73 | 33.12 | 2.25 | 0.873 | 1.575 | -0.703 | ||
900–1000 | 4453 | 0.160 | 9.48 | 14.60 | 17.14 | 1.17 | 0.169 | 1.745 | -1.576 | ||
1000–1100 | 288 | -2.576 | -152.40 | 14.55 | 1.11 | 0.08 | -2.620 | 1.872 | -4.492 | ||
1100–1200 | 0 | 0.000 | 0.00 | 7.71 | 0.00 | 0 | – | – | – | ||
NDVI | -0.974–0.231 | 61 | -3.216 | -35.11 | 10.9 | 5.88 | 0.24 | 0.04 | -3.261 | 2.785 | -6.047 |
0.231–0.148 | 154 | -3.861 | -42.15 | 28.13 | 0.59 | 0.02 | -3.907 | 1.216 | -5.123 | ||
0.148–0.045 | 508 | -1.110 | -12.11 | 5.93 | 1.96 | 0.33 | -1.141 | 2.774 | -3.915 | ||
0.045–0.151 | 2932 | 0.057 | 0.62 | 10.66 | 11.28 | 1.06 | 0.059 | 2.122 | -2.062 | ||
0.151–0.818 | 22328 | 0.554 | 6.05 | 49.40 | 85.93 | 1.74 | 0.590 | -1.220 | 1.810 | ||
Stream density | 0–0.2 | 20887 | 0.616 | 33.22 | 53.9 | 1.85 | 80.39 | 1.85 | 0.658 | -0.752 | 1.411 |
0.2–0.4 | 3478 | -0.851 | -45.91 | 0.43 | 13.39 | 0.43 | -0.879 | 0.988 | -1.867 | ||
0.4–0.6 | 492 | -2.057 | -110.92 | 0.13 | 1.89 | 0.13 | -2.099 | 1.850 | -3.948 | ||
0.6–0.8 | 1126 | -0.426 | -22.99 | 0.65 | 4.33 | 0.65 | -0.443 | 2.651 | -3.094 | ||
0.8–1 | 0 | 0.000 | 0.00 | 0.00 | 0.00 | 0 | – | – | – | ||
1–1.2 | 0 | 0.000 | 0.00 | 0.00 | 0.00 | 0 | – | – | – | ||
Slope aspect | N | 7306 | 0.922 | 65.77 | 71.3 | 11.18 | 28.12 | 2.51 | 0.998 | 1.937 | -0.939 |
NE | 2162 | -0.157 | -11.23 | 9.74 | 8.32 | 0.85 | -0.165 | 2.235 | -2.399 | ||
E | 2763 | -0.092 | -6.55 | 11.66 | 10.64 | 0.91 | -0.096 | 2.032 | -2.129 | ||
SE | 1622 | -0.760 | -54.21 | 13.35 | 6.24 | 0.47 | -0.786 | 1.924 | -2.709 | ||
S | 2380 | -0.408 | -29.09 | 13.77 | 9.16 | 0.67 | -0.424 | 1.870 | -2.294 | ||
SW | 4074 | 0.173 | 12.35 | 13.19 | 15.68 | 1.19 | 0.182 | 1.865 | -1.682 | ||
W | 2938 | -0.225 | -16.07 | 14.16 | 11.31 | 0.80 | -0.235 | 1.825 | -2.060 | ||
NW | 2738 | -0.206 | -14.68 | 12.95 | 10.54 | 0.81 | -0.215 | 1.924 | -2.139 |
Susceptibility | Area | Landslide | area | LD | |
---|---|---|---|---|---|
km2 | % | km2 | % | ||
Very low | 14.817 | 6.58 | 0.015 | 0.21 | 0.0323 |
Low | 39.457 | 17.52 | 0.124 | 1.72 | 0.0981 |
Moderate | 48.609 | 21.59 | 0.626 | 8.65 | 0.4007 |
High | 72.912 | 32.38 | 1.553 | 21.46 | 0.6627 |
Very high | 49.362 | 21.92 | 4.917 | 67.96 | 3.0998 |
Very low | 27.481 | 12.21 | 0.032 | 0.44 | 0.0363 |
Low | 61.116 | 27.14 | 0.602 | 8.33 | 0.3068 |
Moderate | 66.398 | 29.49 | 0.735 | 10.16 | 0.3446 |
High | 49.896 | 22.16 | 5.372 | 74.25 | 3.3504 |
Very high | 20.266 | 9.00 | 0.493 | 6.82 | 0.7577 |
Very low | 19.669 | 8.74 | 0.015 | 0.21 | 0.0243 |
Low | 41.123 | 18.26 | 0.097 | 1.33 | 0.0730 |
Moderate | 56.676 | 25.17 | 0.393 | 5.43 | 0.2158 |
High | 63.927 | 28.39 | 1.972 | 27.26 | 0.9602 |
Very high | 43.762 | 19.44 | 4.758 | 65.76 | 3.3834 |