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Using the MIGRATEv9 software, contaminant transport from multiple sources, either at the surface or buried, can be modeled quickly and accurately in
two dimensions. Unlike finite-element and finite-difference formulations, MIGRATEv9 does not require the use of a "time-marching" procedure. MIGRATEv9 uses a finite-layer technique that provides numerically accurate
and stable results while requiring relatively little computational and data entry effort. In addition to advective-dispersive transport, MIGRATEv9 can consider sorption, radioactive and biological decay, and
transport through fractures. One or more landfills, buried waste deposits, spills, or disposal ponds can be modeled. These contaminant sources may be adjacent or offset from each other. Model properties may be
either constant or transient, with the concentrations calculated at specified times, depths, and distances.
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