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 |