Process modeling studies of physical mechanisms of the formation of an anticyclonic eddy in the central Red Sea Chen, Changsheng Li, Ruixiang Pratt, Lawrence J. Limeburner, Richard Beardsley, Robert C. Bower, Amy S. Jiang, Houshuo Abualnaja, Yasser Xu, Qichun Lin, Huichan Liu, Xuehai Lan, Jian Kim, Taewan 2014-07-08T17:54:12Z 2014-10-22T08:57:25Z 2014-02-25
dc.description Author Posting. © American Geophysical Union, 2014. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research: Oceans 119 (2014): 1445–1464, doi:10.1002/2013JC009351. en_US
dc.description.abstract Surface drifters released in the central Red Sea during April 2010 detected a well-defined anticyclonic eddy around 23°N. This eddy was ∼45–60 km in radius, with a swirl speed up to ∼0.5 m/s. The eddy feature was also evident in monthly averaged sea surface height fields and in current profiles measured on a cross-isobath, shipboard CTD/ADCP survey around that region. The unstructured-grid, Finite-Volume Community Ocean Model (FVCOM) was configured for the Red Sea and process studies were conducted to establish the conditions necessary for the eddy to form and to establish its robustness. The model was capable of reproducing the observed anticyclonic eddy with the same location and size. Diagnosis of model results suggests that the eddy can be formed in a Red Sea that is subject to seasonally varying buoyancy forcing, with no wind, but that its location and structure are significantly altered by wind forcing, initial distribution of water stratification and southward coastal flow from the upstream area. Momentum analysis indicates that the flow field of the eddy was in geostrophic balance, with the baroclinic pressure gradient forcing about the same order of magnitude as the surface pressure gradient forcing. en_US
dc.description.embargo 2014-08-25 en_US
dc.description.sponsorship This project was supported by the King Abdullah University of Science and Technology (KAUST). The development of Global-FVCOM was supported by NSF grants ARC0712903, ARC0732084, ARC0804029 and OCE-1203393. C. Chen’s contributions were also supported by the International Center for Marine Studies at Shanghai Ocean University through the ‘‘Shanghai Universities First-class Disciplines Project.’’ L. Pratt was also supported by National Science Foundation Grant OCE0927017. en_US
dc.format.mimetype application/pdf
dc.identifier.citation Journal of Geophysical Research: Oceans 119 (2014): 1445–1464 en_US
dc.identifier.doi 10.1002/2013JC009351
dc.language.iso en_US en_US
dc.publisher John Wiley & Sons en_US
dc.subject Eddies in the Red Sea en_US
dc.title Process modeling studies of physical mechanisms of the formation of an anticyclonic eddy in the central Red Sea en_US
dc.type Article en_US
dspace.entity.type Publication
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