MIKE 3

Finite difference model for use in three dimensions. Predicts time-varying concentrations of constituents, including advective and dispersive transport.

Pre-and post-processing software that is user-friendly. Multiple turbulence closure schemes.

Computationally intensive. Requires extensive data for calibration and verification. Restricted set of state variables in water quality code. No access to source code.

ECOMsi/*EM

Finite difference model for use in three dimensions. Predicts time-varying concentrations of constituents, including advective and dispersive transport.

State-of-the-science eutrophication kinetics. Multiple turbulence closure schemes.

Computationally intensive. Requires extensive data for calibration and verification. Requires a high level of technical expertise to apply effectively. Limited access to sourcecode.

CH3D-ICM

Finite difference model can be applied to most water bodies in one to three dimensions. Predicts time-varying concentrations of constituents, including advective and dispersive transport.

State-of- the- science eutrophication kinetics.

Computationally intensive. Requires extensive data for calibration and verification and a high level of technical expertise to apply effectively.

EFDC

Linked three-dimensional, finite difference hydro-dynamic, and water quality model contains extensive water quality capabilities. Water quality concentrations can be predicted in a variety of formats suitable for analysis and plotting.

Able to provide three-dimensional description of water quality parameters of concern. The entire range of hydrodynamic, sediment, eutrophication, and toxic chemical constituents can be considered.

Computationally intensive. Requires extensive data for calibration and verification and a high level of technical expertise to apply effectively.

TABLE D-3 Key features of selected estuarine water quality models.



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