A condition for the existence of quasi-periodic nonlinear internal waves in the ocean shelf zone

Free internal gravity waves, which are typical of the shelf ocean zone are studied. A necessary condition for the existence of nonlinear wave disturbances quasi-periodic in time in a continuously stratified sea with variable depth H is found in the quasistatic and the “hard cap” approximation with r...

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Published inDoklady earth sciences Vol. 470; no. 2; pp. 1093 - 1096
Main Authors Khartiev, S. M., Matishov, D. G., Grigorenko, K. S.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.10.2016
Springer Nature B.V
Subjects
Earth and Environmental Science
Earth Sciences
Gravitational waves
Gravity waves
Internal waves
Oceanology
Physical oceanography
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Summary:Free internal gravity waves, which are typical of the shelf ocean zone are studied. A necessary condition for the existence of nonlinear wave disturbances quasi-periodic in time in a continuously stratified sea with variable depth H is found in the quasistatic and the “hard cap” approximation with respect to dissipative factors and latitudinal variation in the Coriolis parameter. The obtained assessment is equivalent to the condition obtained within the framework of linear theory for the case of the f -plane and a constant depth H .
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X16100135