Transport in an idealized three-gyre system with application to the Adriatic Sea


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dc.contributor.author Rypina, Irina I.
dc.contributor.author Brown, Michael G.
dc.contributor.author Kocak, Huseyin
dc.date.accessioned 2010-10-26T18:54:00Z
dc.date.available 2010-10-26T18:54:00Z
dc.date.issued 2009-03
dc.identifier.citation Journal of Physical Oceanography 39 (2009): 675-690 en_US
dc.identifier.uri http://hdl.handle.net/1912/4007
dc.description Author Posting. © American Meteorological Society, 2009. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Physical Oceanography 39 (2009): 675-690, doi:10.1175/2008JPO3975.1. en_US
dc.description.abstract Motivated by observations of surface drifters in the Adriatic Sea, transport in a three-gyre system is studied with the aid of dynamical systems techniques. Particular attention is paid to the issue of intergyre transport. The velocity field is assumed to be two-dimensional and incompressible and composed of a steady three-gyre background flow on which a time-dependent perturbation is superimposed. Two systems of this type are considered: 1) an observationally motivated, analytically prescribed model consisting of a steady background on which a multiperiodic time-dependent perturbation is superimposed, and 2) an observationally based model of the Adriatic Sea consisting of the mean surface circulation derived from surface drifter trajectories on which a time-dependent altimetry-based perturbation velocity field is superimposed. It is shown that for a small perturbation to the steady three-gyre background, two of the gyres exchange no fluid with the third gyre. When the perturbation strength exceeds a certain threshold, transport between all three gyres occurs. This behavior is described theoretically, illustrated using the analytic model and shown to be consistent with the observationally based model of the Adriatic. The relevance of the work presented to more complicated multiple-gyre problems is discussed. en_US
dc.description.sponsorship This work was supported by the National Science Foundation Grants CMG0417425 and CMG0825547. en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.publisher American Meteorological Society en_US
dc.relation.uri http://dx.doi.org/10.1175/2008JPO3975.1
dc.subject Transport en_US
dc.subject Gyres en_US
dc.subject Mediterranean region en_US
dc.subject Ocean circulation en_US
dc.subject Lagrangian circulation en_US
dc.title Transport in an idealized three-gyre system with application to the Adriatic Sea en_US
dc.type Article en_US
dc.identifier.doi 10.1175/2008JPO3975.1

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