Arc Hydro Groundwater: GIS for Hydrogeology describes the groundwater data model, a new geodatabase design for representing groundwater systems using ArcGIS software. The groundwater data model shares a common framework with the surface water data model, Arc Hydro. Examples illustrating concepts and uses of the Arc Hydro Groundwater data model for management, visualization, and analysis, make this book an invaluable resource for hydrologists, water professionals, GIS specialists, and students who work with groundwater data to research and solve water resource problems.