Factor (units) | Class | Rating | Weight | Factor (units) | Class | Rating | Weight |
Flow accumulation (pixels) | 467,214 - 939,405 | 10 | 3.31 | Slope (%) | 0 - 15.87 | 10 | 0.71 |
320,216 - 467,214 | 8 | 15.87 - 30.95 | 8 | ||||
149,334 - 320,216 | 6 | 30.95 - 47.62 | 6 | ||||
32,346 - 149,334 | 4 | 47.62 - 69.05 | 4 | ||||
0 - 32 346 | 2 | 69.05 < | 2 | ||||
Distance from drainage network (m) | 0 - 200 | 10 | 3.08 | Drainage network density (m/km2) | 1.41 - 2.41 | 10 | 1.34 |
200 - 400 | 8 | 1.04 - 1.41 | 8 | ||||
400 - 700 | 6 | 0.72 - 1.04 | 6 | ||||
700 - 1000 | 4 | 0.37 - 0.72 | 4 | ||||
1000 - 2000 | 2 | 0 - 0.37 | 2 | ||||
Land use | Stream | 8 | 1.08 | Geology | Low permeability | 10 | 0.49 |
Soil | 6 | Medium permeability | 8 | ||||
Agricultural land | 4 | High permeability | 6 | ||||
Building residences | 2 |