The interaction between surface waves and tidal currents
The interaction between surface waves and tidal currents
The interaction between wind-generated gravity waves and tidal currents is examined from the starting point of the gravity wave energy budget equation of Longuet-Higgins and Stewart, Equations are, developed whichIallow the variation in the short wave amplitude and wavenumber to be predicted for a linear tidal wave system having a standing wave and a progressive wave component. An additional term, unmentioned by Longuet-Higgins and Stewart, is shown to have an important role in describing the physical mechanism of the interaction and in the magnitude of the variation produced Wave data. from the North Sea is shown to exhibit this variation with the correct phase but with an amplitude variation 40% greater than predicted.A numerical model is set up to allow predictions to be computed for conditions where an analytical solution to the energy budget equation is not possible, e.g., for waves and tides in variable depths, 'Wave data from Southampton Water, under short fetch conditions, show an upward trend in wave energy when the tidal current begins to ebb and the numerical solutions are used to. show this is consistent with the wave-current',interaction. n The high variability' in wave energy between consecutive wave records in Southampton Water cannot be accounted for by this interaction theory and it is necessary to postulate the importance of other mechanisms in causing this variability.
University of Southampton
Vincent, Christopher Edward
1974
Vincent, Christopher Edward
Vincent, Christopher Edward
(1974)
The interaction between surface waves and tidal currents.
University of Southampton, Doctoral Thesis.
Record type:
Thesis
(Doctoral)
Abstract
The interaction between wind-generated gravity waves and tidal currents is examined from the starting point of the gravity wave energy budget equation of Longuet-Higgins and Stewart, Equations are, developed whichIallow the variation in the short wave amplitude and wavenumber to be predicted for a linear tidal wave system having a standing wave and a progressive wave component. An additional term, unmentioned by Longuet-Higgins and Stewart, is shown to have an important role in describing the physical mechanism of the interaction and in the magnitude of the variation produced Wave data. from the North Sea is shown to exhibit this variation with the correct phase but with an amplitude variation 40% greater than predicted.A numerical model is set up to allow predictions to be computed for conditions where an analytical solution to the energy budget equation is not possible, e.g., for waves and tides in variable depths, 'Wave data from Southampton Water, under short fetch conditions, show an upward trend in wave energy when the tidal current begins to ebb and the numerical solutions are used to. show this is consistent with the wave-current',interaction. n The high variability' in wave energy between consecutive wave records in Southampton Water cannot be accounted for by this interaction theory and it is necessary to postulate the importance of other mechanisms in causing this variability.
This record has no associated files available for download.
More information
Published date: 1974
Identifiers
Local EPrints ID: 462491
URI: http://eprints.soton.ac.uk/id/eprint/462491
PURE UUID: 584687e9-b054-4b12-a923-eda6a0595d8f
Catalogue record
Date deposited: 04 Jul 2022 19:09
Last modified: 04 Jul 2022 19:09
Export record
Contributors
Author:
Christopher Edward Vincent
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.
View more statistics