ELASTIC WAVES IN A CONTINUOUSLY STRATIFIED MEDIUM

Propagation of Electromagnetic Waves Through a Continuously Varying Stratified Anisotropic Medium

Express ions arc developed for the transmiss ion and reflection coeffici ents for p ropagation of a plane wave through a layered medium, taking account of the effects of t he static magnetic fi eld . A matri x formulation is used which a llows proceed in g to t he limit of a continuously varyin g medium, a nd series expansions of th e field", for this case arc developed. The res ults a rc ex pe...

The front speed of intrusions into a continuously stratified medium

This paper examines intrusive Boussinesq gravity currents, propagating into a continuously stratified fluid. We develop a model, based on energy arguments, to predict the front speed of such an intrusive gravity current from a lock release. We find that the depth at which the intrusion occurs, which corresponds to the level of neutral buoyancy (i.e. the depth where the intrusion density equals ...

On the scattering of baroclinic Rossby waves by a ridge in a continuously stratified ocean

In global ocean dynamics Rossby waves play a vital rôle in the long-term distribution of vorticity; knowledge of the interaction between these waves and topography is crucial to a full understanding of this process, and hence to the transportation of energy, mixing and ocean circulation. The interaction of baroclinic Rossby waves with abrupt topography is the focus of this study. In this paper ...

Interaction of Gravitational Waves with an Elastic Solid Medium

Stable Vortices in a Continuously Stratified Oceanwith Thin Active Layer

This paper presents a model which yields examples of stable vortices in a continuously stratified rotating fluid, thus providing a possible explanation of the observed longevity of oceanic eddies. The model is based on two assumptions. Firstly, the ocean comprises a thin upper (active) layer and a thick lower (passive) one, with large and small vertical gradients of density, respectively. Secon...