AQUASEA is a software package developed to solve shallow water flow and transport equations using the Galerkin finite element method. AQUASEA was first developed in 1983 to solve two-dimensional problems and since 1992 has been continuously updated and tested worldwide on the most difficult modeling problems. The latest development of AQUASEA is a version that runs on Windows 95/98/2000 or Windows NT. It has been specifically configured and compiled to provide maximum efficiency in model setup and fast model execution times. The Windows environment provides not only cross-platform capability but also an industry standard user interface guaranteed for future developments. AQUASEA consists of the following two models:

1. Hydrodynamic flow model.
   
2. Transport-dispersion model.

The AQUASEA flow model can simulate water level and flux variations in response to various forcing functions in lakes, estuaries, bays and coastal areas. Water levels and fluxes are approximated on a numerical finite element grid and calculated based on information about bathymetry, bed resistance coefficients, wind field and boundary conditions.

The AQUASEA transport-dispersion model simulates the spreading of a substance in the environment under the influence of fluid flow and existing dispersion processes. The substance can be a pollutant of any type, conservative or non-conservative, inorganic or organic salt, heat-suspended sediment, dissolved oxygen, inorganic phosphorus, nitrogen and other water quality parameters.