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dc.contributor.authorSánchez-Garrido, JCen
dc.contributor.authorVlasenko, Ven
dc.date.accessioned2015-11-28T17:54:10Z
dc.date.available2015-11-28T17:54:10Z
dc.date.issued2009-01-01en
dc.identifier.issn1023-5809en
dc.identifier.urihttp://hdl.handle.net/10026.1/3852
dc.description.abstract

The evolution of internal solitary waves (ISWs) propagating in a rotating channel is studied numerically in the framework of a fully-nonlinear, nonhydrostatic numerical model. The aim of modelling efforts was the investigation of strongly-nonlinear effects, which are beyond the applicability of weakly nonlinear theories. Results reveal that small-amplitude waves and sufficiently strong ISWs evolve differently under the action of rotation. At the first stage of evolution an initially two-dimensional ISW transforms according to the scenario described by the rotation modified Kadomtsev-Petviashvili equation, namely, it starts to evolve into a Kelvin wave (with exponential decay of the wave amplitude across the channel) with front curved backwards. This transition is accompanied by a permanent radiation of secondary Poincaré waves attached to the leading wave. However, in a strongly-nonlinear limit not all the energy is transmitted to secondary radiated waves. Part of it returns to the leading wave as a result of nonlinear interactions with secondary Kelvin waves generated in the course of time. This leads to the formation of a slowly attenuating quasi-stationary system of leading Kelvin waves, capable of propagating for several hundreds hours as a localized wave packet. © 2009 Author(s).

en
dc.format.extent587 - 598en
dc.language.isoenen
dc.titleLong-term evolution of strongly nonlinear internal solitary waves in a rotating channelen
dc.typeJournal Article
plymouth.issue5en
plymouth.volume16en
plymouth.publication-statusPublisheden
plymouth.journalNonlinear Processes in Geophysicsen
dc.identifier.doi10.5194/npg-16-587-2009en
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/00 Groups by role
plymouth.organisational-group/Plymouth/00 Groups by role/Academics
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering/School of Biological and Marine Sciences
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA07 Earth Systems and Environmental Sciences
plymouth.organisational-group/Plymouth/Research Groups
plymouth.organisational-group/Plymouth/Research Groups/Marine Institute
dc.identifier.eissn1607-7946en
dc.rights.embargoperiodNot knownen
rioxxterms.versionofrecord10.5194/npg-16-587-2009en
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserveden
rioxxterms.typeJournal Article/Reviewen


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