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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union

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https://doi.org/10.5194/npg-2018-1
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
26 Jan 2018
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Nonlinear Processes in Geophysics (NPG).
Internal waves in marginally stable abyssal stratified flows
Nikolay I. Makarenko1,2, Janna L. Maltseva1,2, Eugene G. Morozov3, Roman Y. Tarakanov3, and Kseniya A. Ivanova4 1Lavrentyev Institute of Hydrodynamics, 630090, Novosibirsk, Russia
2Novosibirsk State University, 630090, Novosibirsk, Russia
3Shirshov Institute of Oceanology, 117997, Moscow, Russia
4Aix-Marseille University, Marseille 06, France
Abstract. The problem on internal waves in a weakly stratified two-layered fluid is studied semi-analytically. We discuss the 2.5-layer fluid flows with exponential stratification of both layers. The long-wave model describing travelling waves is constructed by means of scaling procedure with a small Boussinesq parameter. It is demonstrated that solitary wave regimes can be affected by the Kelvin–Helmholtz instability arising due to interfacial velocity shear in upstream flow.

Citation: Makarenko, N. I., Maltseva, J. L., Morozov, E. G., Tarakanov, R. Y., and Ivanova, K. A.: Internal waves in marginally stable abyssal stratified flows, Nonlin. Processes Geophys. Discuss., https://doi.org/10.5194/npg-2018-1, in review, 2018.
Nikolay I. Makarenko et al.
Nikolay I. Makarenko et al.
Nikolay I. Makarenko et al.

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