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Six variants of boundary conditions are considered: 1) all boundaries are of constant-head type; 2) the parallel boundaries are of the constant-head type, and the perpendicular boundary is impermeable; 3) the parallel boundaries are impermeable, and the perpendicular boundary is of constant-head type; 4) all boundaries are impermeable; 5) the parallel boundaries are of the constant-head and impermeable types, and the perpendicular boundary is of the constant-head type; and 6) the parallel boundaries are of the constant-head and impermeable types, and the perpendicular boundary is impermeable.
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Schematic plan view of a U-shaped aquifer
Schematic plan view of a U-shaped aquifer showing distances from observation well to image wells
References
Ferris J.G., Knowles D.B., Brown R.N., Stallman R.W. Theory of aquifer test // U.S. Geological Survey Water-Supply. 1962. Paper1536-E.