MODFLOW SWI2 package support in GMS 10.1

GMS 10.1 includes support for the MODFLOW SWI2 package. "The SWI2 Package allows three-dimensional vertically integrated variable-density groundwater flow and seawater intrusion in coastal multiaquifer systems to be simulated using MODFLOW-2005" (USGS) A tutorial and sample files are available with GMS 10.1. Below is an animation created in GMS of the movement of a freshwater \ saltwater boundary due to changes in head and well pumping rates.