Hantush Solution for Constant-Head Tests in Leaky Aquifers

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Hantush Solution for Constant-Head Tests in Leaky Aquifers

Description

A mathematical solution by Hantush (1959) is useful for determining the hydraulic properties (transmissivity and storativity) of leaky aquifer. Analysis involves matching the Hantush solution to discharge data collected during a constant-head test.

AQTESOLV provides visual and automatic methods for matching the Hantush solution to constant-head test data. This easy-to-use and intuitive software promotes rapid and accurate determination of aquifer properties.

Assumptions

The following assumptions apply to the use of the Hantush solution:

	aquifer has infinite areal extent
	aquifer is homogeneous, isotropic and of uniform thickness
	potentiometric surface is initially horizontal
	aquifer is leaky confined
	flow is unsteady
	wells are fully penetrating
	water is released instantaneously from storage with decline of hydraulic head
	confining bed(s) has infinite areal extent, uniform vertical hydraulic conductivity and uniform thickness
	confining bed(s) is overlain or underlain by an infinite constant-head plane source
	flow is vertical in the aquitard(s)

Solution Options

AQTESOLV provides the following options for the Hantush solution:

recovery

Benchmark

References

Hantush, M.S., 1959. Nonsteady flow to flow wells in leaky aquifers, Journal of Geophysical Research, vol. 64, no. 5, pp. 1043-1052.