Research Article
Landslide Susceptibility Mapping Using Single Machine Learning Models: A Case Study from Pithoragarh District, India
Table 1
Investigating the relationship between influencing factors and historical landslides events.
| Influencing factor | Class | Class pixels | Landslide pixels | % of class pixels | % of landslide pixels | FR |
| Slope (o) | 0–17.831476 | 78092 | 34 | 11.48 | 8.44 | 0.73 | 17.831476–28.20698 | 151464 | 64 | 22.28 | 15.88 | 0.71 | 28.20698–36.955399 | 214040 | 110 | 31.48 | 27.30 | 0.87 | 36.955399–47.008942 | 177197 | 146 | 26.06 | 36.23 | 1.39 | 47.008942–88.675705 | 59172 | 49 | 8.70 | 12.16 | 1.40 |
| Aspect | Flat | 8 | 0 | 0.00 | 0.00 | 0.00 | North | 73688 | 2 | 10.84 | 0.50 | 0.05 | Northeast | 82949 | 9 | 12.20 | 2.23 | 0.18 | East | 77994 | 15 | 11.47 | 3.72 | 0.32 | Southeast | 91582 | 98 | 13.47 | 24.32 | 1.81 | South | 99895 | 93 | 14.69 | 23.08 | 1.57 | Southwest | 112712 | 104 | 16.58 | 25.81 | 1.56 | West | 77390 | 70 | 11.38 | 17.37 | 1.53 | Northwest | 63747 | 12 | 9.38 | 2.98 | 0.32 |
| Curvature | Concave (<−0.05) | 327448 | 242 | 48.16 | 60.05 | 0.80 | Flat (−0.05–0.05) | 24118 | 4 | 3.55 | 0.99 | 3.57 | Convex (>0.05) | 328399 | 157 | 48.30 | 38.96 | 1.24 |
| Elevation (m) | 551–1000 | 67334 | 217 | 9.90 | 53.85 | 5.46 | 1000–1400 | 129487 | 163 | 19.04 | 40.45 | 2.13 | 1400–1800 | 142551 | 23 | 20.96 | 5.71 | 0.27 | 1800–2200 | 103742 | 0 | 15.26 | 0.00 | 0.00 | 2200–2600 | 70883 | 0 | 10.42 | 0.00 | 0.00 | 2600–3000 | 50912 | 0 | 7.49 | 0.00 | 0.00 | 3000–3400 | 44923 | 0 | 6.61 | 0.00 | 0.00 | 3400–3800 | 35722 | 0 | 5.25 | 0.00 | 0.00 | 3800–4448 | 34411 | 0 | 5.06 | 0.00 | 0.00 |
| Geomorphology | Alluvial flood plain | 10738 | 20 | 1.58 | 4.96 | 3.14 | Colluvial cone | 12372 | 20 | 1.82 | 4.96 | 2.73 | Denudational hillslope | 11320 | 0 | 1.66 | 0.00 | 0.00 | Escarpment | 33142 | 32 | 4.87 | 7.94 | 1.63 | Highly dissected hills | 169413 | 0 | 24.91 | 0.00 | 0.00 | Intermontane plateau | 8901 | 47 | 1.31 | 11.66 | 8.91 | Lowly dissected hills | 125714 | 134 | 18.49 | 33.25 | 1.80 | Moderately dissected slope | 257637 | 57 | 37.89 | 14.14 | 0.37 | Ridge | 2262 | 0 | 0.33 | 0.00 | 0.00 | River | 7634 | 0 | 1.12 | 0.00 | 0.00 | Terrace | 20227 | 85 | 2.97 | 21.09 | 7.09 | Transportational mid slope | 20605 | 8 | 3.03 | 1.99 | 0.66 |
| Lithology | Group 1 | 10524 | 13 | 1.55 | 3.23 | 2.09 | Group 2 | 4889 | 0 | 0.72 | 0.00 | 0.00 | Group 3 | 2229 | 0 | 0.33 | 0.00 | 0.00 | Group 4 | 934 | 0 | 0.14 | 0.00 | 0.00 | Group 5 | 46595 | 1 | 6.85 | 0.25 | 0.04 | Group 6 | 431 | 0 | 0.06 | 0.00 | 0.00 | Group 7 | 56013 | 79 | 8.24 | 19.60 | 2.39 | Group 8 | 18060 | 0 | 2.66 | 0.00 | 0.00 | Group 9 | 145233 | 18 | 21.36 | 4.47 | 0.21 | Group 10 | 4563 | 0 | 0.67 | 0.00 | 0.00 | Group 11 | 12901 | 0 | 1.90 | 0.00 | 0.00 | Group 12 | 239 | 0 | 0.04 | 0.00 | 0.00 | Group 13 | 222105 | 165 | 32.66 | 40.94 | 1.26 | Group 14 | 23382 | 0 | 3.44 | 0.00 | 0.00 | Group 15 | 15561 | 63 | 2.29 | 15.63 | 6.86 | Group 16 | 100193 | 1 | 14.74 | 0.25 | 0.02 | Group 17 | 10168 | 63 | 1.50 | 15.63 | 10.50 | Group 18 | 5945 | 0 | 0.87 | 0.00 | 0.00 |
| Land cover | Barren rocky slope | 64898 | 0 | 9.54 | 0.00 | 0.00 | Cultivated land | 230 | 0 | 0.03 | 0.00 | 0.00 | Moderately vegetated | 101713 | 19 | 14.96 | 4.71 | 0.32 | River | 6703 | 0 | 0.99 | 0.00 | 0.00 | Settlement | 1262 | 0 | 0.19 | 0.00 | 0.00 | Sparsely vegetated | 79783 | 253 | 11.73 | 62.78 | 5.35 | Thickly vegetated | 392670 | 63 | 57.75 | 15.63 | 0.27 | Wasteland | 32706 | 68 | 4.81 | 16.87 | 3.51 |
| Distance to roads (m) | 0–100 | 30626 | 228 | 4.50 | 56.58 | 12.62 | 100–200 | 26040 | 88 | 3.83 | 21.84 | 5.73 | 200–300 | 23462 | 11 | 3.45 | 2.73 | 0.79 | 300–400 | 21727 | 5 | 3.20 | 1.24 | 0.39 | 400–500 | 20576 | 0 | 3.03 | 0.00 | 0.00 | >500 | 557534 | 71 | 81.99 | 17.62 | 0.22 |
| Distance to rivers (m) | 0–100 | 25667 | 124 | 3.77 | 30.77 | 8.19 | 100–200 | 25331 | 79 | 3.73 | 19.60 | 5.29 | 200–300 | 25346 | 22 | 3.73 | 5.46 | 1.47 | 300–400 | 25247 | 25 | 3.71 | 6.20 | 1.68 | 400–500 | 25111 | 10 | 3.69 | 2.48 | 0.67 | >500 | 553263 | 143 | 81.37 | 35.48 | 0.44 |
| Valley depth (m) | 0 m | 94613 | 28 | 13.91 | 6.95 | 0.50 | 0-1 m | 271934 | 77 | 39.99 | 19.11 | 0.48 | 1-2 m | 186081 | 101 | 27.37 | 25.06 | 0.92 | 2–5 m | 106521 | 97 | 15.67 | 24.07 | 1.54 | >5 m | 20816 | 100 | 3.06 | 24.81 | 8.14 |
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