Table 1 Cumulative weights analysis for the causative parameters.

From: An integrated approach of support vector machine (SVM) and weight of evidence (WOE) techniques to map groundwater potential and assess water quality

Causative Factor

Classes

W+

W-

Contrast (C)

Weight

Slope Gradient

0–10

2.42

-0.45

2.88

2.42

11–19

0.39

-0.09

0.48

0.39

20–26

0.06

-0.01

0.08

0.05

27–33

-0.37

0.08

-0.45

-0.37

34–46

-2.21

0.39

-2.61

-2.21

Above 46

0

0

0

0.05

Slope Aspect

North

1.36

-0.24

1.61

1.36

Northeast

0

0

0

-3.22

East

-1.55

0.16

-1.72

-1.55

Southeast

0.51

-0.07

0.58

0.51

South

-1.92

0.26

-2.19

-1.92

Southwest

2.08

-0.32

2.41

2.08

West

0.97

-0.10

1.08

0.97

Northwest

-1.31

0.11

-1.43

-1.31

Elevation

611–687

2.58

-0.65

3.23

2.58

688–780

1.17

-0.26

1.44

1.17

781–940

-0.72

0.21

-0.93

-0.72

941–1,287

-2.63

0.72

-3.35

-2.63

Above 1,287

0

0

0

-3.22

Curvature

Concave

1.58

-0.30

1.88

1.58

Flat

1.57

-0.58

2.15

1.57

Convex

-1.46

1.57

-3.04

-1.46

Distance to drainage

0 − 25

1.62

-0.17

1.80

1.62

25–50

1.62

-0.17

1.80

1.62

50–100

0.49

-0.08

0.57

0.49

100–250

-0.12

0.07

-0.20

0.07

Above 250

-1.93

0.68

-2.62

-1.93

Lithological Units

Muree Formation

-0.59

0.21

-0.81

-0.59

Paleocene-Eocene Sequence

0.01

0

0.01

0.09

Muzaffarabad Formation

-2.11

0.34

-2.45

-2.11

Stream Channel Deposits

0.01

0

0.01

0.09

Surficial Deposits

2.65

-0.73

3.39

2.65

Hazara Formation

-0.75

0.22

-0.98

-0.75

Terrace Deposit

0

0

0

0.09

Lineament Density

0–1.5

-0.19

0.50

-0.69

-0.19

1.5–3

-0.29

0.06

-0.35

0.06

3.1–4.5

-1.05

0.07

-1.13

-1.05

Above 4.5

1.40

-0.12

1.53

1.40

LU/LC

Forest

0.10

-0.04

0.14

-0.04

Green Land

-0.76

0.41

-1.18

-0.76

Barren

0.86

-0.16

1.02

0.86

Urban Land

0.41

-0.07

0.49

0.41

Water Bodies

2.14

-0.03

2.17

2.14

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