Origin of groundwaters inOrigin of groundwaters in Southern Oman Southern Oman

Clark, I.D., et al., 1987. Modern and fossil groundwater in an arid environment, A look at the hydrogeology of Southern Oman. Proc., Int. Atomic Energy Agency, Symp.299, Vienna, p. 167-187.

The aquifers of Southern Oman

Dhofar Mountains

Sampling the monsoon

-60

-40

-20

0

20

-8 -6 -4 -2 0 2 418O ‰ VSMOW

2 H ‰

VS

MO

W

Monsoon

Coastal Plain groundwaters

-60

-40

-20

0

20

-8 -6 -4 -2 0 2 418O ‰ VSMOW

2 H ‰

VS

MO

W

Monsoon

Coastal Plain G/W

Najd Artesian Groundwaters

-60

-40

-20

0

20

-8 -6 -4 -2 0 2 4

18O ‰ VSMOW

2H

‰ V

SM

OW

Monsoon

Interior Plateau G/W

Coastal Plain G/W

-8

-6

-4

-2

0

2

4

6

8

10

0 20 40 60 80Sample

Tri

tium

(T

U)

DhofarMountains

Interior Plateau Coastal Plain

Monsoon

Fossil groundwatersFossil groundwaters