Environmental covariates | Variable | Description |
---|---|---|
 DEM | AHShad | Analytical hillshade |
 | Aspect | Aspect |
 | CNBL | Cannel network base level |
 | CIndex | Convergence index |
 | Elv (m) | Elevation |
 | LS (m) | Slope length factor |
 | Plcurv | Plane curvature |
 | Prcurv | Profile curvature |
 | Slope (degree) | Land surface slope |
 | TCA | Total catchment area |
 | TWI | Topographic wetness index |
 | VDepth | Valley depth: The relative height difference to the immediate adjacent channel lines |
 Sentinel-2 | B2 | 0.46 − 0.52 μm |
 | B3 | 0.54–0.58 μm |
 | B4 | 0.65–0.68 μm |
 | B5 | 0.70–0.71 μm |
 | B6 | 0.73 − 0.7 μm |
 | B7 | 0.77 − 0.79 μm |
 | B8 | 0.78 − 0.90 μm |
 | B8A | 0.85 − 0.87 μm |
 | B11 | 1.56 − 1.65 μm |
 | B12 | 2.10 − 2.28 μm |
 | Carbonate index (CBI) | \({\text{CBI = }}\frac{{{\text{RED}}}}{{{\text{GREEN}}}}\) |
 | Iron index (Fe) | \({\text{Fe = }}\frac{{{\text{RED}}}}{{{\text{BLUE}}}}\) |
 | Clay index (CI) | \({\text{CI = }}\frac{{{\text{SWIR1}}}}{{{\text{SWIR2}}}}\) |
 | Normalized Difference Build-up Index (NDBI) | \({\text{NDBI = }}\frac{{\text{(SWIR - NIR)}}}{{\text{(SWIR + NIR)}}}\) |
 | Ratio Vegetation Index (RVI) | \({\text{RVI = }}\frac{{{\text{NIR}}}}{{{\text{RED}}}}\) |
 | Modified Soil Adjusted Vegetation Index (MSAVI) | \({\text{MSAVI = }}\frac{{{{2 \times \text{NIR} + 1 - }}\sqrt {{{(2 \times \text{NIR}}}} {{ + 1)}}^{{{2}}} {{ - 8 \times (\text{NIR - RED})}}}}{{{2}}}\) |
 | Normalized Difference Vegetation Index (NDVI) | \({\text{NDVI = }}\frac{{\text{(NIR - RED)}}}{{\text{(NIR + RED)}}}\) |
 | Green Normalized Difference Vegetation Index (GNDVI) | \({\text{GNDVI = }}\frac{{\text{(NIR - GREEN)}}}{{\text{(NIR + GREEN)}}}\) |
 | Land Surface Water Index (LSWI) | \({\text{LSWI = }}\frac{{\text{(NIR - SWIR)}}}{{\text{(NIR + SWIR)}}}\) |