Nonlinear surface and internal waves in stratified shear flow
- 1 September 1990
- journal article
- research article
- Published by Taylor & Francis in Geophysical & Astrophysical Fluid Dynamics
- Vol. 54 (1-2) , 35-48
- https://doi.org/10.1080/03091929008208931
Abstract
The propagation of solitary waves in a two-layer fluid with shear is studied in the long-wave shallow-water approximation. We show that, to the first order in the perturbation, the wave motion is described by the Korteweg-de Vries equation, whose coefficients now depend on the shear present. Solitary wave solutions are discussed in the following two cases; constant shear flow and Couette shear flow. These results are used to describe the propagation of solution-like internal waves in the Straits of Gibraltar.Keywords
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