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| Titel |
Intergyre transport in a wind-driven, quasigeostrophic double gyre: An application of lobe dynamics |
| VerfasserIn |
C. Coulliette, S. Wiggins |
| 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 ; 7, no. 1/2 ; Nr. 7, no. 1/2, S.59-85 |
| Datensatznummer |
250004244
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| Publikation (Nr.) |
 copernicus.org/npg-7-59-2000.pdf |
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| Zusammenfassung |
| We study the flow obtained from a three-layer, eddy-resolving
quasigeostrophic ocean circulation model subject to an applied wind stress curl.
For this model we will consider transport between the northern and southern
gyres separated by an eastward jet. We will focus on the use of techniques from
dynamical systems theory, particularly lobe dynamics, in the forming of
geometric structures that govern transport. By "govern", we mean they
can be used to compute Lagrangian transport quantities, such as the flux across
the jet. We will consider periodic, quasiperiodic, and chaotic velocity fields,
and thus assess the effectiveness of dynamical systems techniques in flows with
progressively more spatio-temporal complexity. The numerical methods necessary
to implement the dynamical systems techniques and the significance of lobe
dynamics as a signature of specific "events", such as rings pinching
off from a meandering jet, are also discussed. |
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