Aquifer Properties

As a single layer transient model, the only aquifer properties required are the hydraulic conductivity and specific yield. However this model encounters severe numerical difficulties when run as a phreatic aquifer, largely due to accidental cell dry-out. In order to overcome these difficulties, the simulations were run with a fixed saturated thickness and hence fixed transmissivity.

Hydraulic conductivities were specified as a discrete set of points which were then kriged to obtain a value in every cell. The control points used in the kriging are shown in the hydraulic conductivity map.

Hydraulic Conductivity
Specific Yield
Saturated Thickness
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