-140-
9
24
22
\
\
20
\
y=3.08-0.004x
\ r=0.979
\
18
\
\
16- \ s
\
<S)
O
O) y= 1.39-0.0025 x \ $
E 14- %
.E r=0.983 \
\
5 %
1 \
S 12- \o
□
\
10- e
8- \
6-
4-
2-
i i i i i I
9000 8000 7000 6000 500Q 4000 3000 2000 1000 0
Years Before Present
Figure 29: Long Term Depletion of the Alat-Khobar Aquifer