Factors

Flow accu.

Distance

Drainage

Land use

Slope

Geology

Flow accumulation

1

2

3

3

5

4

Distance from drainage

1/2

1

6

3

4

6

Drainage network density

1/3

1/6

1

2

3

3

Land use

1/3

1/3

1/2

1

3

2

Slope

1/5

1/4

1/3

1/3

1

3

Geology

1/4

1/6

1/3

1/2

1/3

1