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QUESTION B3 ( 10 marks ) The sketch below is a plan view ( looking downwards ) showing equipotential lines in a confined aquifer typical of those

Can you kindly please solve the question attached? Thanks in advance.123.png

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QUESTION B3
( 10 marks )
The sketch below is a plan view ( looking downwards ) showing equipotential lines in a
confined aquifer typical of those found in mountain valleys , where sands and gravels are*
overlain by silts and clay . The sides of the aquifer are formed by solid rock and represent no-
flow boundaries . The numbers indicate the hydraulic head in m above sea level .
50
48
46
4 4
42
40
38
36
34
a ) Does groundwater in this aquifer flow from left to right or from right to left ? [2
marks ] .
b ) Is the specific discharge increasing , decreasing or unchanged in the central section of
the plan view ? [3 marks ] ."
C ) If the hydraulic conductivity of the aquifer on the left and right sides of the plan view
is 10 m / day , what is the hydraulic conductivity in the central section ? You may
assume that the cross- sectional area of the aquifer remains constant ( 5 marks ] .

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