Research Article
Landslide Susceptibility Assessment Using Frequency Ratio Technique with Iterative Random Sampling
Table 1
Data layer related to landslide of study area.
| | Category | Factors | Data type | Scale | Source |
| | Topographic map | Topographic
factors | Slope gradient
Plan curvature
Aspect
Midslope position (MSP)
Topographic position index (TPI) | Grid | 1 : 25,000 | National Geographic Information Institute (NGII) |
| | Topographic map | Hydrologic
factors | Stream power index (SPI)
Topographic wetness index (TWI) | Grid | 1 : 25,000 | National Geographic Information Institute (NGII) |
| | Soil map | | Thickness
Material
Topography | Polygon | 1 : 5,000 | National Academy of Agricultural Sciences (NAAS) |
| | Forest map | | Timber diameter
Timber density | Polygon | 1 : 5,000 | Korea Forest Research Institute (KFRI) |
| | Geological map | | Lithology | Polygon | 1 : 25,000 | Korea Institute of Geoscience and Mineral Resources (KIGAM) |
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