Template:GMS MODPATH Porosities Workflow

1. Assign porosity in the conceptual model.
Using the Select Polygon tool, right-click on polygons and select the Attribute Table command. Assign porosity in the Attribute Table dialog. (Requires Porosity be selected in the Coverage Setup dialog.) Right-click on the coverage and select the Map to | MODFLOW/MODPATH menu command.

2. Assign porosity using MODPATH.
Select the MODPATH | Porosity menu command. Assign porosity in the Aquifer Layer Porosity array editor.

3. Assign through 3D grid properties.