How would we derive a solution for groundwater drawdown due to pumping near a river (i.e. a recharge boundary)?

Question

Answer

We would use the principle of superposition and an imaginary well located on the opposite side of the river at the same distance to the near bank as the pumping bore, and we would inject water from the imaginary well at the same rate as extraction from the real pumping bore.

Answer

Instead of using the Theis solution, one would use the Jacobs approximation which can account for barrier or recharge boundaries.

Answer

We would use the principle of superposition and an imaginary well located on the opposite side of the river at the same distance to the near bank as the pumping bore, and we would extract water from the imaginary well at the same rate.

Answer

This would have to be solved using a numerical scheme where the Laplace equation is discretised in space and time.

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How would we derive a solution for groundwater drawdown due to pumping near a ri...

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