A conjecture on the role of bottom-enhanced diapycnal mixing in the parameterization of geostrophic eddies


Marshall, David P. and Naveira Garabato, Alberto C. (2008) A conjecture on the role of bottom-enhanced diapycnal mixing in the parameterization of geostrophic eddies. Journal of Physical Oceanography, 38, (7), 1607-1613. (doi:10.1175/2007JPO3619.1).

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Description/Abstract

The parameterization of geostrophic eddies represents a large sink of energy in most ocean models, yet the ultimate fate of this eddy energy in the ocean remains unclear. The authors conjecture that a significant fraction of the eddy energy may be transferred to internal lee waves and oscillations over rough bottom topography, leading to bottom-enhanced diapycnal mixing. A range of circumstantial evidence in support of this conjecture is presented and discussed. The authors further propose a modification to the Gent and McWilliams eddy parameterization to account for the bottom-enhanced diapycnal mixing.

Item Type: Article
ISSNs: 0022-3670 (print)
Related URLs:
Subjects: Q Science > Q Science (General)
G Geography. Anthropology. Recreation > GC Oceanography
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Ocean & Earth Science (SOC/SOES)
ePrint ID: 37585
Date Deposited: 24 May 2006
Last Modified: 27 Mar 2014 18:23
URI: http://eprints.soton.ac.uk/id/eprint/37585

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