Abstract

ABSTRACT Artificial recharge of the ground-water table from rectangular basins has been the subject of extensive study in the last few decades. We develop a numerical model, based on the Finite Difference Method with an explicit scheme, to predict the transient position of the water table in response to recharge from a rectangular basin. The rate of recharge is varied by applying a time decay constant in order to simulate realistic infiltration behaviour. The model is validated through comparison with an existing analytical solution and is then applied to estimate the mounding below a proposed recharge basin at the Indian Institute of Technology Kanpur.

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