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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), pp. 1607-1613.

Record type: Article

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.

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Published date: July 2008

Identifiers

Local EPrints ID: 37585
URI: http://eprints.soton.ac.uk/id/eprint/37585
ISSN: 0022-3670
PURE UUID: 14674cf0-e4fa-46ff-a6cf-182890210e77

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Date deposited: 24 May 2006
Last modified: 18 Sep 2017 00:12

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Contributors

Author: David P. Marshall

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