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Schematization of Ambient Environments

Schematization is the characterization of local physical ambient boundaries for CORMIX simulation. Because boundary interaction strongly influences the mixing processes, care should be taken to preserve local boundaries in regulatory mixing zone analysis.

For the given river stage discharge (or for each /estuary/ocean/ ambient velocity field) combination to be analyzed, assemble plots showing the cross-sections at the discharge and several downstream locations.

Examine these to determine an "equivalent rectangular cross-sectional area." Try to preserve essential details of port distance to vertical and then lateral boundaries, because they will control discharge stability and boundary interaction. Very shallow bank areas or shallow floodways may be neglected as unimportant for effluent transport.

Examples of the schematization process for preparing CORMIX input data on ambient cross-sectional conditions.

More weight should be given to the cross-sections at, and close to, the discharge location since these will likely have the greatest effect on near-field mixing processes.

The images here provides examples of the schematization process for a river or estuary cross-section.