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| Titel |
Coupling coefficients and kinetic equation for Rossby waves in multi-layer ocean |
| VerfasserIn |
T. Soomere  |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 10, no. 4/5 ; Nr. 10, no. 4/5, S.385-396 |
| Datensatznummer |
250007839
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| Publikation (Nr.) |
 copernicus.org/npg-10-385-2003.pdf |
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| Zusammenfassung |
| The kinetic
description of baroclinic Rossby waves in multi-layer model ocean is
analysed. Explicit analytical expressions for the coupling coefficients
describing energy exchange intensity between different modes are obtained
and their main properties are established for the three-layer model. It is
demonstrated that several types of interactions vanish in the case of
simple vertical structures of the ocean, e.g. when all layers have equal
depth. These cases correspond to a zero component of the eigenvectors of
the potential vorticity equations. The kinetic equation always possesses a
fully barotropic solution. If energy is concentrated in the baroclinic
modes, the barotropic mode will necessarily be generated. Motion systems
consisting of a superposition of the barotropic and a baroclinic mode
always transfer energy to other baroclinic modes. |
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