Accuracy of a 3D Hydrodynamic Model Verification due to the Relative Magnitude of Forcing Functions

by Bernard B. Hsieh, (M.ASCE),



Document Type: Proceeding Paper

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

Abstract: An investigation of relative magnitude of forcing functions in a 3D time-varying hydrodynamic model verification has been performed by identifying some extreme forcing events for an estuarine system. While the verification of surface elevation and tidal current are relatively easy to achieve, the salt transport verification usually experiences some difficulties.The results of study indicate that the wind forcing plays a major role, especially for a long duration of Northeast effect in the small tidal ranges period. The correct addressing of nonlinear effect of wind stress due to extreme wind speed can significantly improve the accuracy of model verification for the salt transport.

Subject Headings: Verification | Three-dimensional models | Model accuracy | Hydrologic models | Tides | Hydrodynamics | Salts | Wind speed

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