Landslide Susceptibility Assessment Using Frequency Ratio Technique with Iterative Random Sampling

Figure 5

Spatial database of the landslide causative factors.

(a) Slope gradient

(b) Plan curvature

(c) Aspect

(d) Midslope position (MSP)

(e) Topographic position index (TPI)

(f) Stream power index (SPI)

(g) Topographic wetness index (TWI)

(h) Soil thickness (unit: cm)

(i) Soil material

(j) Topography

(k) Timber diameter

(l) Timber density

(m) Lithology