MODFLOW-SURFACT™ is one of the most comprehensive flow and transport models available. Built around the MODFLOW code, MODFLOW-SURFACT™ includes advanced computational modules that are based on robust, efficient, mass-conserving algorithms making it faster and more accurate than its transport modeling counterparts.
MODFLOW-SURFACT™ is developed and owned by HydroGeoLogic, Inc and is resold with permission by Waterloo Hydrogeologic.
The TIME-VARYING PROPERTY MODULE is an add-on module that works with Version 4 of MODFLOW-SURFACT™. You must already have purchased a license of version 4 for this module to work.