Modeling the Impact of Uncertainty in Spatial Variability of Estuarine Boundary Conditions

by B. H. Johnson,
K. W. Kim,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


Multi-dimensional numerical estuarine models that consider baroclinic forcing require the specification of both the water surface and the water density (salinity and temperature) at the mouth or open ocean boundary. The spatial distribution of these data are often unknown. A three-dimensional model of the Delaware Bay has been used to determine the sensitivity of the com puted hydrodynamic solution to lateral variations in the prescribed tide and salinity at the bay mouth. These results show that uncertainty in the lateral salinity distribution is less important than variations in the tide across the mouth.

Subject Headings: Uncertainty principles | Spatial variability | Estuaries | Boundary conditions | Salt water | Water surface | Hydrologic models | Spatial distribution | Delaware | United States

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