Research Article
Modeling Typhoon Event-Induced Landslides Using GIS-Based Logistic Regression: A Case Study of Alishan Forestry Railway, Taiwan
Table 2
Data, resolution/scale, data source, and procedure for the independent variables.
| Data | Resolution/Scale | Data source | Procedure |
| DEM | 20 m | Taiwan's Ministry of the Interior | Aspect, surface roughness, and profile curvature are derived from DEM data. | Satellite image | 20 m | SPOT Image | NDVI and NDWI are derived from SPOT imagery. | Topographic map | 1 : 5,000 | Taiwan's Ministry of Transportation | Railway lines are compiled from the topographic map. | Geologic map | 1 : 50,000 | Taiwan's Central Geological Survey | Lithological units are compiled from the geologic map. |
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