Parameters

Weight

Very low

Low

Medium

High

G: Groundwater occurrence (aquifer type)

1

Bounded

aquifer

Leaky

confined

Unconfined

Confined

A: Aquifer hydraulic conductivity (m/day)

3

<5

5 - 10

10 - 40

>40

L: Height of groundwater level above sea level (m)

4

>2

1.5 - 2

1 - 1.5

<1

D: Distance from the shore (m)

4

>1000

1000 - 750

750 - 500

<500

I: Impact of existing status of sea water intrusion

1

<1

1 - 1.5

1.5 - 2

>2

T: Thickness of aquifer being mapped (m)

2

<5

5 - 7.5

7.5 - 10

>10