A MATHEMATICAL-MODEL FOR THE HYDRODYNAMICS AND POLLUTANTS TRANSPORT IN LONG AND NARROW TIDAL RIVERS

This paper deals with the application of the Taylor-Galerkin finite el ement method to the simulation of the tidal dynamics and transport of chemically reactive pollutants in a branching river-estuary system. Th e adopted mathematical technique is fully described and the derivation of the working equations of the scheme is outlined. To validate the m odel two case studies, namely, tidal dynamics and salt intrusion in Up per Milford Haven (Wales, UK) and heavy metal dispersion in the Fal es tuary (Cornwall, UK) are reported. Results of the model simulation in both cases are in good agreement with the field