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