Determination of steady state drawdowns in a horizontal double aquifer system - a new approach.

Abstract

Using Ditkin's operator the exact analytical expressions for drawdowns for coupled 2 finite aquifer system in which pumpage from the upper and lower aquifer is balanced by a reduction in evapotranspiration from the upper aquifer are obtained. Also, the expressions for drawdowns for the limiting cases (viz. when the horizontal dimension of the aquifers is considered to be infinite) are deduced from one of the general results. -from Authors