Widespread intense turbulent mixing in the Southern Ocean

Naveira Garabato, A.C., Polzin, K.L., King, B.A., Heywood, K.J. and Visbeck, M. (2004) Widespread intense turbulent mixing in the Southern Ocean Science, 303, (5655), pp. 210-213. (doi:10.1126/science.1090929).


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Observations of internal wave velocity fluctuations show that enhanced turbulent mixing over rough topography in the Southern Ocean is remarkably intense and widespread. Mixing rates exceeding background values by a factor of 10 to 1000 are common above complex bathymetry over a distance of 2000 to 3000 kilometers at depths greater than 500 to 1000 meters. This suggests that turbulent mixing in the Southern Ocean may contribute crucially to driving the upward transport of water closing the ocean's meridional overturning circulation, and thus needs to be represented in numerical simulations of the global ocean circulation and the spreading of biogeochemical tracers.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1126/science.1090929
ISSNs: 0036-8075 (print)
Organisations: National Oceanography Centre
ePrint ID: 1378
Date :
Date Event
Date Deposited: 06 May 2004
Last Modified: 17 Apr 2017 00:12
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/1378

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