PATH3D is a powerful and widely used particle-tracking program for MODFLOW. It can be applied to help visualize three-dimensional flow fields, to delineate contaminant capture zones or wellhead protection zones, and to evaluate the effectiveness of groundwater remedial scenarios under complex hydrogeological conditions. PATH3D is a valuable extension to a groundwater flow model, and is frequently a practical alternative to a contaminant transport model.

Key Features:

• Full compatibility with MODFLOW88 and MODFLOW96
  PATH3D is designed to function directly with earlier versions of MODFLOW, the industry-standard groundwater flow code.
  ( PATH3D does not currently support MODFLOW2000 )

• Accurate and efficient tracking procedure
  Automatic tracking stepsize control procedure that achieves user-specified error criteria with minimum computational effort.

• Improved handling of weak sinks and distorted grids
  Algorithms for the effective handling of weak sinks/sources and distorted model grids.

• Postprocessing programs
  Includes a complete set of post-processing programs for plotting pathlines, front positions and capture zones using Golden Software's Surfer.

• Dynamic memory allocation
  PC version is compiled with dynamic memory allocation to efficiently reserve only the necessary computer memory.

• Distributed with source code
  Comes with source codes written in standard Fortran 90.

Download Program Zipped file (2MB)

Disclaimer

These programs are provided FREE of charge. The authors request only that application of the software and production of results using the code is accompanied by a suitable acknowledgment. The software is provided "AS IS", without warranty of any kind, including without limitation the warranties of merchantability, fitness for a particular purpose and non-infringement. The entire risk and responsibility as to the quality and performance of the Software is borne by the user. The author(s) disclaim all other warranties.