Research Article

GIS-Based Landslide Susceptibility Mapping Using Frequency Ratio and Shannon Entropy Models in Dejen District, Northwestern Ethiopia

Table 1

Type of conditioning factors, format, and source.

Type conditioning factorsFormatSources

SlopeRasterDerived from of ASTER GDEM image (2021)
Elevation
Aspect
Curvature
Topographic witness index (TWI)
River

FaultsVectorDigitized from the study area of geological map, Minister of Water and Energy, Addis Ababa, Ethiopia

RoadVectorDigitized from the study area of topographic map, Minister of Water and Energy, Addis Ababa, Ethiopia

Land useVectorAnalysed from Sentinel 2 images in the USGS (2021)
NDVIVector

RainfallVectorInterpretation of Ethiopian National Metrological Agency, Addis Ababa (1990–2021)

Landslide inventoryVectorDigitized from Google Earth imagery (2021) and field survey