Numerical Simulation of Tidally Induced Three-Dimensional Hydrodynamics of New York Bightby K. W. Kim, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,
N. W. Scheffner, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,
D. J. Mark, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,
B. H. Johnson, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,
Abstract: A time-varying three-dimensional (3D) numerical hydrodynamic model has been applied to the coupled New York Bight, Long Island Sound, and Hudson River flow system. The modeling effort was conducted to provide flow field input data for a 3D water quality model. The water surface elevation and 3D velocity field distributions are first computed under the assumption of constant density flow. Salinity and temperature computations will be included in the next level of model verification in order that density effects are reflected in the hydrodynamic computations. The period of April - May 1976 was selected for the initial calibration and verification of the model. The computed water surface elevation and 3D velocity fields are compared with available field data. These preliminary results demonstrate that the constant density numerical model is capable of reproducing the primary features of the flow field.
Subject Headings: Three-dimensional models | Numerical models | Hydrologic models | Water quality | Water pollution | Three-dimensional flow | Water flow | Tides | Hydrodynamics | Density currents | River flow | North America | United States | New York | Hudson River
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