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 factorClassClass pixelsLandslide pixels% of class pixels% of landslide pixelsFR

Slope (o)0–17.831476780923411.488.440.73
17.831476–28.206981514646422.2815.880.71
28.20698–36.95539921404011031.4827.300.87
36.955399–47.00894217719714626.0636.231.39
47.008942–88.67570559172498.7012.161.40

AspectFlat800.000.000.00
North73688210.840.500.05
Northeast82949912.202.230.18
East779941511.473.720.32
Southeast915829813.4724.321.81
South998959314.6923.081.57
Southwest11271210416.5825.811.56
West773907011.3817.371.53
Northwest63747129.382.980.32

CurvatureConcave (<−0.05)32744824248.1660.050.80
Flat (−0.05–0.05)2411843.550.993.57
Convex (>0.05)32839915748.3038.961.24

Elevation (m)551–1000673342179.9053.855.46
1000–140012948716319.0440.452.13
1400–18001425512320.965.710.27
1800–2200103742015.260.000.00
2200–260070883010.420.000.00
2600–30005091207.490.000.00
3000–34004492306.610.000.00
3400–38003572205.250.000.00
3800–44483441105.060.000.00

GeomorphologyAlluvial flood plain10738201.584.963.14
Colluvial cone12372201.824.962.73
Denudational hillslope1132001.660.000.00
Escarpment33142324.877.941.63
Highly dissected hills169413024.910.000.00
Intermontane plateau8901471.3111.668.91
Lowly dissected hills12571413418.4933.251.80
Moderately dissected slope2576375737.8914.140.37
Ridge226200.330.000.00
River763401.120.000.00
Terrace20227852.9721.097.09
Transportational mid slope2060583.031.990.66

LithologyGroup 110524131.553.232.09
Group 2488900.720.000.00
Group 3222900.330.000.00
Group 493400.140.000.00
Group 54659516.850.250.04
Group 643100.060.000.00
Group 756013798.2419.602.39
Group 81806002.660.000.00
Group 91452331821.364.470.21
Group 10456300.670.000.00
Group 111290101.900.000.00
Group 1223900.040.000.00
Group 1322210516532.6640.941.26
Group 142338203.440.000.00
Group 1515561632.2915.636.86
Group 16100193114.740.250.02
Group 1710168631.5015.6310.50
Group 18594500.870.000.00

Land coverBarren rocky slope6489809.540.000.00
Cultivated land23000.030.000.00
Moderately vegetated1017131914.964.710.32
River670300.990.000.00
Settlement126200.190.000.00
Sparsely vegetated7978325311.7362.785.35
Thickly vegetated3926706357.7515.630.27
Wasteland32706684.8116.873.51

Distance to roads (m)0–100306262284.5056.5812.62
100–20026040883.8321.845.73
200–30023462113.452.730.79
300–4002172753.201.240.39
400–5002057603.030.000.00
>5005575347181.9917.620.22

Distance to rivers (m)0–100256671243.7730.778.19
100–20025331793.7319.605.29
200–30025346223.735.461.47
300–40025247253.716.201.68
400–50025111103.692.480.67
>50055326314381.3735.480.44

Valley depth (m)0 m946132813.916.950.50
0-1 m2719347739.9919.110.48
1-2 m18608110127.3725.060.92
2–5 m1065219715.6724.071.54
>5 m208161003.0624.818.14