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Details of Award

NERC Reference : NE/B503717/1

Turbulence in Antarctic Circumpolar Current standing meanders.

Grant Award

Principal Investigator:
Professor A Naveira Garabato, University of Southampton, Sch of Ocean and Earth Science
Co-Investigator:
Professor D Stevens, University of East Anglia, Mathematics
Co-Investigator:
Professor K Heywood, University of East Anglia, Environmental Sciences
Science Area:
Marine
Overall Classification:
Marine
ENRIs:
Global Change
Science Topics:
Ocean Circulation
Ocean - Atmosphere Interact.
Climate & Climate Change
Abstract:
This proposal is to study the role of turbulent mixing in the meridional overturning circulation of the Southern Ocean and the dynamics of the Antarctic Circumpolar Current (ACC). The project is motivated by the recent discovery of Southern Ocean regions of remarkably intense and widespread turbulence, an observation that defies current theoretical understanding of the circulation based on the assumption of little mixing in the ocean interior. The project is exciting because it will use innovative instrumentation to measure turbulent mixing in the deep Southern Ocean for the first time, to determine its dynamical causes and to assess its impact on the overturning circulation and the transport of the ACC. The focus of the project will be on observing and modelling the circulation and mixing in a standing meander of the ACC north of the Kerguelen Plateau, a dynamically important region of the current system. This novel way of looking at the ACC will provide important new insight into how the current interacts with bottom topography (a crucial issue for understanding what sets the ACC transport), the dynamical nature of the overturning circulation of the Southern Ocean and how this should be represented in ocean circulation and climate models.
Period of Award:
1 Nov 2007 - 31 Aug 2008
Value:
£196,383
Authorised funds only
NERC Reference:
NE/B503717/1
Grant Stage:
Completed
Scheme:
Standard Grants Pre FEC
Grant Status:
Closed
Programme:
Standard Grant

This grant award has a total value of £196,383  

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FDAB - Financial Details (Award breakdown by headings)

Total - T&STotal - StaffTotal - Other CostsTotal - EquipmentTotal - Indirect Costs
£22,271£100,115£4,326£7,058£62,613

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