Examples Transient Infiltration of Water in Heterogeneous Soil PORFLOW
PORFLOW has the capability to calculate fluid transport in 3-D heterogeneous media and the flexibility to use arbitrary user-specified soil moisture characteristics.

Moisture Content in Heterogeneous Soil after 20 Days

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Here we present an example of a 2-D calculation of transient moisture content in heterogeneous soil. The 800 by 650 cm test area comprises three layers of soil which vary in material and hydrological properties. A small zone of high conductivity soil is contained within the lowermost soil near the left boundary. Uniform infiltration of water at 2 cm/day occurs at the top left boundary.

The effect of the embedded high-conductivity zone of soil is clearly seen in the manner in which the moisture contours deflect towards this zone.