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Title: Wave breaking on a current at an idealized inlet, Coastal Inlets Research Program, inlet laboratory investigations
Authors: Smith, Jane M.
Seabergh, William C.
Harkins, Gordon S.
Briggs, Michael J.
Keywords: Coastal Inlet
Ebb currents
Laboratory measurements
Wave breaking
Wave dissipation
Issue Date: Nov-1998
Publisher: Coastal and Hydraulics Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; CHL-98-31.
Description: Technical report
Laboratory measurements of wave shoaling and breaking on an ebb current were made in an idealized inlet in a wave basin. The experiment arrangement, procedures, and data analysis are described. The wave and ebb current measurements showed increased shoaling and breaking (compared to no current shifting of the spectral peak to lower frequencies and energy dissipation concentrated at the spectral peak and higher frequencies). The measurements used to evaluate and develop formulations of wave dissipation on a current for application to a spectral wave model. Whitecapping dissipation formulations underpredicted breaking on a current in shallow water, whereas the bore-based waved dissipation relationship of Battjes and Janssen and a relationship developed in this study provided good estimates of wave-height decay on an ebb current. Tables of the wave and current parameters are provided as an appendix.
Appears in Collections:Technical Report
Technical Report

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