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dc.contributor.authorZhai, Ping  Concept link
dc.contributor.authorPratt, Lawrence J.  Concept link
dc.contributor.authorBower, Amy S.  Concept link
dc.date.accessioned2015-06-10T18:21:36Z
dc.date.available2015-11-01T09:52:35Z
dc.date.issued2015-05
dc.identifier.citationJournal of Physical Oceanography 45 (2015): 1410–1425en_US
dc.identifier.urihttps://hdl.handle.net/1912/7330
dc.descriptionAuthor Posting. © American Meteorological Society, 2015. 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 45 (2015): 1410–1425, doi:10.1175/JPO-D-14-0192.1.en_US
dc.description.abstractThe west-to-east crossover of boundary currents has been seen in mean circulation schemes from several past models of the Red Sea. This study investigates the mechanisms that produce and control the crossover in an idealized, eddy-resolving numerical model of the Red Sea. The authors also review the observational evidence and derive an analytical estimate for the crossover latitude. The surface buoyancy loss increases northward in the idealized model, and the resultant mean circulation consists of an anticyclonic gyre in the south and a cyclonic gyre in the north. In the midbasin, the northward surface flow crosses from the western boundary to the eastern boundary. Numerical experiments with different parameters indicate that the crossover latitude of the boundary currents changes with f0, β, and the meridional gradient of surface buoyancy forcing. In the analytical estimate, which is based on quasigeostrophic, β-plane dynamics, the crossover is predicted to lie at the latitude where the net potential vorticity advection (including an eddy component) is zero. Various terms in the potential vorticity budget can be estimated using a buoyancy budget, a thermal wind balance, and a parameterization of baroclinic instability.en_US
dc.description.sponsorshipThis work is supported by Award USA 00002, KSA 00011, and KSA 00011/02 made by King Abdullah University of Science and Technology (KAUST), by National Science Foundation Grants OCE0927017, OCE1154641, and OCE85464100, and by the Woods Hole Oceanographic Institution Academic Program Office.en_US
dc.format.mimetypeapplication/pdf
dc.language.isoen_USen_US
dc.publisherAmerican Meteorological Societyen_US
dc.relation.urihttps://doi.org/10.1175/JPO-D-14-0192.1
dc.subjectCirculation/ Dynamicsen_US
dc.subjectBoundary currentsen_US
dc.subjectBuoyancyen_US
dc.subjectOcean circulationen_US
dc.subjectOcean dynamicsen_US
dc.titleOn the crossover of boundary currents in an idealized model of the Red Seaen_US
dc.typeArticleen_US
dc.description.embargo2015-11-01en_US
dc.identifier.doi10.1175/JPO-D-14-0192.1


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