Internal waves in marginally stable abyssal stratified flows

Nikolay Makarenko; Janna Maltseva; Eugene Morozov; Roman Tarakanov; Kseniya Ivanova

doi:10.5194/npg-25-659-2018

Internal waves in marginally stable abyssal stratified flows

Nikolay Makarenko, Janna Maltseva, Eugene Morozov, Roman Tarakanov, Kseniya Ivanova

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2 Citations (Scopus)

Abstract

The problem on internal waves in a weakly stratified two-layer 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 a 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.

Original language	English
Pages (from-to)	659-669
Number of pages	11
Journal	Nonlinear Processes in Geophysics
Volume	25
Issue number	3
DOIs	https://doi.org/10.5194/npg-25-659-2018
Publication status	Published - 5 Sep 2018

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AU - Morozov, Eugene

AU - Tarakanov, Roman

AU - Ivanova, Kseniya

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AB - The problem on internal waves in a weakly stratified two-layer 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 a 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.

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Internal waves in marginally stable abyssal stratified flows

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