On the nature of the frontal zone of the Choctawhatchee Bay plume in the Gulf of Mexico

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dc.contributor.authorHuguenard, K. D.
dc.contributor.authorBogucki, D. J.
dc.contributor.authorOrtiz-Suslow, David G.
dc.contributor.authorLaxague, N. J. M.
dc.contributor.authorMacMahan, James
dc.contributor.authorÖzgökmen, T. M.
dc.contributor.authorHaus, B. K.
dc.contributor.authorReniers, A. J. H. M.
dc.contributor.authorHargrove, J.
dc.contributor.authorAlexandr, Selivanov
dc.contributor.authorGraber, H.
dc.contributor.authorHuguenard, K. D.
dc.contributor.authorBogucki, D. J.
dc.contributor.authorOrtiz-Suslow, David G.
dc.contributor.authorLaxague, N. J. M.
dc.contributor.authorMacMahan, James
dc.contributor.authorÖzgökmen, T. M.
dc.contributor.authorHaus, B. K.
dc.contributor.authorReniers, A. J. H. M.
dc.contributor.authorHargrove, J.
dc.contributor.authorAlexandr, Selivanov
dc.contributor.authorGraber, H.
dc.creator.orcidhttps://orcid.org/0000-0002-7424-1603en_US
dc.creator.orcidhttps://orcid.org/0000-0002-0373-9236en_US
dc.creator.orcidhttps://orcid.org/0000-0003-3823-8391en_US
dc.creator.orcidhttps://orcid.org/0000-0002-6021-9640en_US
dc.creator.orcidhttps://orcid.org/0000-0002-7424-1603
dc.creator.orcidhttps://orcid.org/0000-0002-0373-9236
dc.creator.orcidhttps://orcid.org/0000-0003-3823-8391
dc.creator.orcidhttps://orcid.org/0000-0002-6021-9640
dc.date.accessioned2022-03-25T21:28:45Z
dc.date.available2022-03-25T21:28:45Z
dc.date.issued2016-01-25
dc.date.issued2016-01-25
dc.description.abstractRiver plumes often feature turbulent processes in the frontal zone and interfacial region at base of the plume, which ultimately impact spreading and mixing rates with the ambient coastal ocean. The degree to which these processes govern overall plume mixing is yet to be quantified with microstructure observations. A field campaign was conducted in a river plume in the northeast Gulf of Mexico in December 2013, in order to assess mixing processes that could potentially impact transport and dispersion of surface material near coastal regions. Current velocity, density, and Turbulent Kinetic Energy Values, ε, were obtained using an Acoustic Doppler Current Profiler (ADCP), a Conductivity Temperature Depth (CTD) profiler, a Vertical Microstructure Profiler (VMP), and two Acoustic Doppler Velocimeters (ADVs). The frontal region contained ε values on the order of 10−5 m2 s−3, which were markedly larger than in the ambient water beneath (O 10−9 m2 s−3). An energetic wake of moderate ε values (O 10−6 m2 s−3) was observed trailing the frontal edge. The interfacial region of an interior section of the plume featured opposing horizontal velocities and a ε value on the order of 10−6 m2 s−3. A simplified mixing budget was used under significant assumptions to compare contributions from wind, tides, and frontal regions of the plume. The results from this order of magnitude analysis indicated that frontal processes (59%) dominated in overall mixing. This emphasizes the importance of adequate parameterization of river plume frontal processes in coastal predictive models.en_US
dc.identifier.citationHuguenard, K.D., Bogucki, D.J., Ortiz‐Suslow, D.G., Laxague, N.J.M., MacMahan, J.H., Özgökmen, T.M., Haus, B.K., Reniers, A.J.H.M., Hargrove, J., Soloviev, A.V. and Graber, H., 2016. On the nature of the frontal zone of the C hoctawhatchee B ay plume in the G ulf of M exico. Journal of Geophysical Research: Oceans, 121(2), pp.1322-1345.en_US
dc.identifier.doihttps://doi.org/10.1002/2015JC010988
dc.identifier.doihttps://doi.org/10.1002/2015JC010988
dc.identifier.urihttps://hdl.handle.net/1969.6/90328
dc.identifier.urihttps://hdl.handle.net/1969.6/90328
dc.language.isoen_USen_US
dc.publisherAGU Publicationsen_US
dc.subjectchoctawhatchee bayen_US
dc.subjectgulf of mexicoen_US
dc.titleOn the nature of the frontal zone of the Choctawhatchee Bay plume in the Gulf of Mexicoen_US
dc.typeArticleen_US

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