HYDRODYNAMIC MODELING OF THE HUDSON RIVER ESTUARY

Abstract eng:
In this paper the authors describe the development and preliminary application of a two-dimensional hydrodynamically based transport model for the Hudson River Estuary between the Troy Dam and Hastings-on-Hudson. The model is based upon equations describing the conservation of mass and the conservation of momentum in two horizontal directions with appropriate closure schemes for bed friction and turbulent shear stresses. The resulting equations are solved in a nonorthogonal coordinate system, which allows for the easy application of the collected bathymetry data as river cross-sections. The model is applied to the Hudson River Estuary, NY, and is shown, at least qualitatively, to reproduce the hydrodynamic behavior of the estuary. Discrepancies between model results and observations are explained and future implications for transport modeling are discussed.

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