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Confined aquifer

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Conceptual models >

Confined aquifer

nonleaky confined aquifer

 

 General assumptions. The aquifer is bounded above and below by completely impermeable aquicludes. The water level doesn’t fall lower than the aquifer top. The aquifer has a uniform thickness over the entire area. Pumping and observation wells are fully penetrating.

 

Conceptual models

 

Infinite aquifer (Theis’s method)

Aquifer with one lateral boundary

 Recharge boundary

 No-flow boundary

Bounded (strip) aquifer

 Recharge boundaries

 No-flow boundaries

 Combination of a recharge and no-flow boundaries

Wedge-shaped aquifer

Recharge boundaries

No-flow boundaries

Recharge and no-flow boundaries

U-shaped aquifer

Recharge boundaries

Recharge + recharge and no-flow boundaries

No-flow + no-flow and recharge boundaries

No-flow boundaries

Recharge + no-flow and recharge boundaries

Recharge + no-flow and no-flow boundaries