Widespread intense turbulent mixing in the Southern Ocean

Garabato, Alberto C. Naveira, Polzin, Kurt L., King, Brian A., Heywood, Karen J. and Visbeck, Martin (2004) Widespread intense turbulent mixing in the Southern Ocean. Science, 303 (5655). pp. 210-213. ISSN 0036-8075

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Abstract

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
Faculty \ School: Faculty of Science > School of Environmental Sciences
Depositing User: Rosie Cullington
Date Deposited: 26 May 2011 12:39
Last Modified: 06 May 2020 23:45
URI: https://ueaeprints.uea.ac.uk/id/eprint/31464
DOI: 10.1126/science.1090929

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