Table 3 Data used for the study and analysis.
Factors | Variable type | Scale | Data source |
|---|---|---|---|
Elevation (m asl) | Continuous | 30*30 m | DEM (ASTER satellite) (https://earthexplorer.usgs.gov) |
Lithology | Categorical | 1:50,000 | Geological Survey and Mineral Exploration of Iran (https://gsi.ir/) |
Land use | Categorical | 1:50,000 | Iran National Cartographic Center (https://ncc.gov.ir/) |
Hydrologic soil group | Categorical | 1:50,000 | Ministry of Agriculture Jihad (https://maj.ir/) |
Soil depth (m) | Continuous | 30*30 m | Ministry of Agriculture Jihad (https://maj.ir/) |
Drainage density (km/km2) | Continuous | 30*30 m | Geological Survey and Mineral Exploration of Iran (https://gsi.ir/) |
SAWC | Continuous | 30*30 m | Ministry of Agriculture Jihad (https://maj.ir/) |
Population density (person/area) | Continuous | 30*30 m | Statistical Centre of Iran (https://amar.org.ir/) |
Slope (degrees) | Continuous | 30*30 m | DEM (ASTER satellite) (https://earthexplorer.usgs.gov) |
R factor | Continuous | 30*30 m | Iran Water Resources Management Company (https://www.wrm.ir/) |
Distance to road (m) | Continuous | 30*30 m | Iran National Cartographic Center (https://ncc.gov.ir/) |