Coastally-trapped Waves in a Stratified Ocean
Author | : Daniel Gordon Wright |
Publisher | : |
Total Pages | : 27 |
Release | : 1990 |
Genre | : Ocean waves |
ISBN | : |
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Author | : Daniel Gordon Wright |
Publisher | : |
Total Pages | : 27 |
Release | : 1990 |
Genre | : Ocean waves |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 7 |
Release | : 2001 |
Genre | : |
ISBN | : |
Coastal waves and wave-generated mean flows are studied in a stratified, rotating laboratory and numerical model oceans. Waves trapped to the coast are generated by time-dependent flow over a sloping and irregular bottom. Flow resulting from oscillatory flow over a sloping bottom, both with and without stratification, and with and without additional topographic features is examined. The wave-driven flow is as important as frictionally driven flow for wide range of parameters relevant to the coastal ocean.
Author | : Richard Dennis Romea |
Publisher | : |
Total Pages | : 506 |
Release | : 1982 |
Genre | : Ocean waves |
ISBN | : |
The response on the continental shelf of a baroclinic ocean to driving by an alongshore coastal wind stress and by barotropic and baroclinic wind forced interior motions is studied as a function of latitude. The relative excitation of continental shelf waves and internal Kelvin waves is studied. The response of a rotating stratified ocean with a vertical boundary, forced at the surface by an alongshore coastal wind stress, shows vertically propagating subinertial motions. Several examples which illustrate the basic properties of the response are presented. Changes in amplitude and frequency with depth are predicted. Components that decay with depth from the surface and components that represent coastal internal Kelvin waves with negative vertical group velocity and upward phase propagation are forced. The effect of bottom Ekman layer friction and slope topography on free internal Kelvin waves is examined, using both a steep and weak slope model. The steep slope represents the low latitude case while the weak slope represents the mid-latitude case. There are substantial differences between the results from the two models. Free waves are frictionally damped and offshore and vertical phase shifts are induced by friction, as well as an onshore flow. Topography induces changes to the wave frequency and alongshore phase speed. The modal amplitude is altered and an onshore flow is induced. Sea level and current velocity data from the equator to 17°S on the west coast of South America show that low frequency (0.1-0.2 cpd) fluctuations propagate poleward with phase speeds similar to those predicted for first mode baroclinic Kelvin waves. The sea level and currents are coherent and approximately 1800 out of phase. The waves do not appear to be the result of local atmospheric forcing. Empirical orthogonal functions show that the alongshore and vertical structure of alongshore velocity is consistent with first mode internal Kelvin waves.
Author | : P.H. LeBlond |
Publisher | : Elsevier |
Total Pages | : 617 |
Release | : 1981-01-01 |
Genre | : Science |
ISBN | : 0080879772 |
This is a book which will be welcomed not only by researchers and engineers, but also by teachers and students, as it contains the only comprehensive review of the dynamics of ocean waves. Existing books are now either out of date or restricted to specialized aspects of the subject, whereas this book covers all types of ocean waves, ranging from capillary to planetary waves. Because of its completeness of coverage, its use of elementary mathematics and the provision of numerous problems and exercises, the book will be an indispensable text for everyone. It is completed by a very lengthy bibliography which includes many references to the Russian literature.
Author | : Mark E. Luther |
Publisher | : |
Total Pages | : 154 |
Release | : 1980 |
Genre | : Ocean currents |
ISBN | : |
Author | : Christopher N. K. Mooers |
Publisher | : American Geophysical Union |
Total Pages | : 148 |
Release | : 1986 |
Genre | : Science |
ISBN | : |
Published by the American Geophysical Union as part of the Coastal and Estuarine Sciences, Volume 3. The AGU Monograph Series on Coastal and Estuarine Regimes provides timely summaries and reviews of major process and regional studies, both observational and theoretical, and of theoretical and numerical models. It grew out of an IAPSO/SCOR/ECOR working group initiative several years ago intended to enhance scientific communications on this topic. The series' authors and editors are drawn from the international community. The ultimate goal is to stimulate bringing the theory, observations, and modeling of coastal and estuarine regimes together on the global scale.
Author | : David Cannon Chapman |
Publisher | : |
Total Pages | : 214 |
Release | : 1981 |
Genre | : Ocean waves |
ISBN | : |
Author | : Koutitonsky, Vladimir Gregory |
Publisher | : Ann Arbor, Mich. : University Microfilms International |
Total Pages | : 168 |
Release | : 1985 |
Genre | : Estuarine oceanography |
ISBN | : |