Significance of Mean Water Level Response in Bays

by Douglas W. Mann, Coastal Planning & Engineering, Inc, Boca Raton, FL, USA,
Ashish J. Mehta, Coastal Planning & Engineering, Inc, Boca Raton, FL, USA,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


The occurrence of a net hydraulic head, or superelevation, is a basic feature of bays. It is generated by inlet-bay response to natural forcing. The effects of bottom friction and Stokes drift in the inlet are shown through a hydrodynamic model to be the primary mechanisms controlling superelevation. Man-made and episodic effects can cause sudden changes in the superelevation; thus, mean bay water level data can be contaminated. These effects must therefore be accounted for in an evaluation of mean sea level from mean bay water level records.

Subject Headings: Water level | Bays | Water pollution | Hydraulics | Head (fluid mechanics) | Friction | Mathematics | Mathematical models

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