UNSATURATED ZONE FLOW OR SOLUTE TRANSPORT (NUMERICAL)

• CHEMFLO (1D FD screening level model for flow and transport in soils)
  
  
• FEFLOW (Finite Element Subsurface Flow and Transport Simulation System)
  
  
• GMS (The FEMWATER code supported in GMS is capable of unsaturated zone transport)
  
  
• HYD1D
  
  
• HYDRUS 1D (1D finite element flow and transport under windows)
  
  
• HYDRUS 2D (2D finite element flow and transport with sophisticated graphics and mesh generation)
  
  
• MIGRATE (contaminant transport from multiple sources, either at the surface or buried, can be modeled quickly and accurately in two-dimensions)
  
  
• POLLUTE (one and half dimensional contaminant migration and landfill design)
  
  
• PRZM-2 (EPA's Pesticide Root Zone Model, version 2)
  
  
• SESOIL (Finite difference model for long-term hydrologic, sediment, and pollutant fate simulations)
  
  
• SUMATRA-1
  
  
• SUTRA (two-dimensional transient hybrid FE/FD flow and transport)
  
  
• SWMS_2D (2D finite element flow and transport)
  
  
• TARGET (series of two- and three-dimensional integral finite difference flow and transport models)
  
  
• VS2D/T (2D finite difference flow and transport)