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Seepage in a Saturated-Stratified Aquifer with Recharge¹

U.S. Salinity Lab., Soil and Water Management Research Unit, and Dep. of Soil and Environmental Sciences, Univ. of California-Riverside 92521

ABSTRACT

An analytical solution for the flow of water through a large-scale laboratory aquifer consisting of three soil layers is presented. It is assumed that each layer is saturated, that the soil is homogeneous but may be anisotropic and that the flow of water in each layer is two-dimensional; that is, the flow at the inflow and outflow boundary is uniform over the entire aquifer width. The solution includes a flux boundary condition at the surface which allows recharge to, or a loss from, the upper aquifer. The solution is presented in terms of the hydraulic head and the stream function. The features of the solution are illustrated with several examples.

¹ Although the research described in this article has been funded wholly or in part by the USEPA it has not been subjected to the Agency's peer and administrative review and therefore may not necessarily reflect the views of the Agency and no official endorsement should be inferred.

^* Corresponding author.

Contribution from the U.S. Environmental Protection Agency, R.S. Kerr Environmental Research Lab., Ada, OK, and the U.S. Salinity Lab., Soil & Water Management Research Unit, Riverside, CA.

Received for publication May 5, 1987.