Analytical Model for Estimation of Steady-State Capture Zones of Pumping Wells in Confined and Unconfined Aquifers

摘要: The analysis of capture zones pumping wells is useful for designing systems and wellhead protection programs. Using discharge potentials, equations are derived that can be applied to confined, unconfined, or combined confined unconfined aquifers. transient transcendental cannot solved explicitly. However, infinite-time (steady-state) presented which solved. They define an area in which, theoretically, all the water aquifer will eventually reach well, although do not consider effects hydrodynamic dispersion. Equations calculating stagnation point, upgradient divide, dividing streamline within example problem presented.