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Table 2 Overview of selected parameters used for landslide susceptibility mapping

From: Landslide susceptibility mapping using knowledge driven statistical models in Darjeeling District, West Bengal, India

Parameters Ranges Classes Methods
Min Max
Rainfall (mm) 1877 2334 1. 1877.38–1991.9 Natural Break
2. 1991.97–2090.54
3. 2090.45–2167.44
4. 2167.44–2239.06
5. 2239.06–2333.96
Slope (Degree) 0 79.2 1. 0–9.32 Natural Break
2. 9.32–18.64
3. 18.44–27.34
4. 27.34–36.66
5. 5. 36.66–79.23
Altitude (m) 15 3602 1. 15–422.93 Natural Break
2. 422.93–985.6
3. 985.6–1576.4
4. 1576.4–2279.73
5. 5. 2279.73–3602
Aspect 1. Flat (−1) Equal interval
2. North (0–22.5)
3. Northeast (22.5–67.5)
4. East (67.5–112.5)
5. Southeast (112.5–157.5)
6. South (157.5–202.5)
7. Southwest (202.5–247.5)
8. West (247.5–292.5)
9. Northwest (292.5–337.5)
10. north(337.5–360)
Geology 1. Triassic lithological units
2. Cenozoic
3. Pliocene-Pleistocene,
4. Holocene
5. Middle-upper Pleistocene
Soil texture 1. Gravelly loamy, soil texture classes
2. Fine loamy - Coarse Loamy
3. Gravelly loamy Skeletol
4. Gravelly Loam - Coarse Loamy
5. Coarse Loamy
Distance from River (km) 0 4.33 1. 0–0.42 Natural Break
2. 0.42–1.10
3. 1.10–1.66
4. 1.66–2.26
5. 2.26–4.33
Distance from Lineament (km) 0 10.1 1. 0–1.54 Natural Break
2. 1.54–2.85
3. 2.85–4.20, 4
4. 4.20–5.75
5. 5.75–10.12
Distance from Road (km) 0 16.5 1. 0–1.74 Natural Break
2. 1.74–3.94
3. 3.94–6.72
4. 6.72–10.22
5. 10.22–16.49
Land use/Land cover 1. Water bodies supervised classification
2. Vegetation
3. Fallow land
4. Agricultural land
5. Settlement
NDVI −0.07 0.49 1. −0.07-0.12 Natural Break
2. 0.12–0.17
3. 0.17–0.23
4. 0.23–0.29
5. 0.29–0.49
TWI 1.95 18.9 1. 1.95–7.37 Natural Break
2. 7.37–8.53
3. 8.53–9.76
4. 9.76–11.70
5. 11.70–18.91