Criteria

Weight

Condition

Rating

Rainfall

0.245

≥500

4

500 > R ≥ 300

3

300 > R ≥ 100

2

<100

1

Slope

0.202

<3

4

5 > S ≥ 3

3

10 > S ≥ 5

2

>10

1

Soil Clay contents

0.15

≥35%

4

35 > C ≥ 18

3

18 > C ≥ 10

2

<10

1

Drainage density

(Km/sq. Km)

0.133

>2.55

4

2.55 > D ≥ 1.5

3

1.5 > D ≥ 0.75

2

<0.75

1

Lineament Density

0.142

0 < L ≤ 1.5

4

1.5 < L ≤ 2.5

3

2.5 < L ≤ 3.5

2

>3.5

1

Geology

0.128

Chalky marl, Marl, Limestone

4

Limestone, dolomitic limestone

3

Limestone, Chalk, Chert

2

Basalt

1