Groundwater occurrence
|
Confined aquifer
Unconfined aquifer
Leaky confined aquifer
Bounded aquifer
|
10
7.5
5
2.5
|
Aquifer hydraulic conductivity
(m/day)
|
>40
34-40
28-34
22-28
16-22
10-16
8-10
6-8
4-6
<4
|
10
9
8
7
6
5
4
3
2
1
|
Height of groundwater level
above sea level
(m)
|
<1.0
1.0-1.2
1.2-1.4
1.4-1.6
1.6-1.8
1.8-2.0
2.0-2.2
2.2-2.4
2.4-2.6
>2.6
|
10
9
8
7
6
5
4
3
2
1
|
Distance from the shore
(m)
|
<500
500-600
600-700
700-800
800-900
900-1000
1000-1100
1100-1200
1200-1300
>1300
|
10
9
8
7
6
5
4
3
2
1
|
Impact of existing status of
seawater intrusion
(μs/m)
|
>3000
2600-3000
2200-2600
1800-2200
1400-1800
1000-1400
600-1000
200-600
<200
-
|
10
9
8
7
6
5
4
3
2
1
|
Saturated thickness of the aquifer
(m)
|
>10
9-10
8-9
7-8
6-7
5-6
4-5
3-4
2-3
<2
|
10
9
8
7
6
5
4
3
2
1
|