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dc.contributor.authorStevens, C.L.
dc.contributor.authorMcPhee, M.G.
dc.contributor.authorForrest, A.L.
dc.contributor.authorLeonard, G.H.
dc.contributor.authorStanton, Timothy P.
dc.contributor.authorHaskell, T.G.
dc.date.accessioned2015-08-20T23:05:36Z
dc.date.available2015-08-20T23:05:36Z
dc.date.issued2014
dc.identifier.citationStevens, C. L., M. G. McPhee, A. L. Forrest, G. H. Leonard, T. Stanton, and T. G. Haskell (2014), The influence of an Antarctic glacier tongue on near-field ocean circulation and mixing, J. Geophys. Res. Oceans, 119, 2344–2362, doi:10.1002/2013JC009070.en_US
dc.identifier.urihttp://hdl.handle.net/10945/46142
dc.descriptionThe article of record as published may be located at http://dx.doi.org/10.1002/2013JC009070en_US
dc.description.abstractIn situ measurements of flow and stratification in the vicinity of the Erebus Glacier Tongue, a 12 km long floating Antarctic glacier, show the significant influence of the glacier. Three ADCPs (75, 300, and 600 kHz) were deployed close (<50 m) to the sidewall of the glacier in order to capture near-field flow distortion. Scalar (temperature and conductivity) and shear microstructure profiling captured small-scale vertical variability. Flow magnitudes exceeded 0.3 m s21 through a combination of tidal flow ( 8 cm s21) and a background/residual flow ( 4–10 cm s21) flowing to the NW. Turbulence was dominated by deeper mixing during spring tide, likely indicative of the role of bathymetric variation which locally forms an obstacle as great as the glacier. During the neap tide, near-surface mixing was as energetic as that seen in the spring tide, suggesting the presence of buoyancy-driven near-surface flows. Estimates of integrated dissipation rate suggest that these floating extensions of the Antarctic ice sheet alter energy budgets through enhanced dissipation, and thus influence coastal near-surface circulation.en_US
dc.publisherAGU Publicationsen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.en_US
dc.titleThe influence of an Antarctic glacier tongue on near-field ocean circulation and mixingen_US
dc.typeArticleen_US
dc.contributor.departmentOceanography
dc.description.funderThe work was funded by The New Zealand Royal Society administered Marsden Fund, and US NSF support to Stanton and McPhee. Logistic support was provided by Antarctica New Zealand and travel funding from Air New Zealand.en_US


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