Computer · Hydrogeology
In a confined aquifer, the steady state flow rate to a fully penetrating well is 1000 m3/day. Two observation wells located at radial distances of 100 m and 200 m from the pumping well exhibit piezometric heads of 100 m and 90 m respectively, measured from a datum 200 m below the ground surface. Calculate the transmissivity of the confined aquifer. [Given: ln(2) = 0.69]
- 118 m2/day
- 29 m2/day
- 315 m2/day
- 411 m2/day✓
Correct answer
11 m2/day
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