Deep water outflow from the Weddell Sea into the Scotia Sea (SW Atlantic) Inter-annual variability from one year of current meter data
Feb 22, 2016
Deep water outflow from the Weddell Sea into the Scotia Sea
(SW Atlantic)
Inter-annual variability from one year of current meter data
Motivation
Significant freshening at the base of the ACC
Salinity at 3000 mSouthern Ocean Database (Whitworth and Orsi, 2005)
E-SASSI project SASSI: Synoptic Antarctic Shelf-Slope Interactions study (IPY)
2008 ESASSI cruise (Spain)
2009 mooring data(Spain and US projects)
Jan 2008 ESASSI cruise New potential locations of ACC ventilation
Outflow of vWG into the Scotia Sea associated to the Antarctic Slope Front (ASF)
ASF
ASF
Weddell Pycnoclin
e
Scotia Pycnocline
Mooring design
Deployment: Feb 2009Recovery: Feb 2010
New mooring, with sediment trapDeployment: Feb 2013Recovery: Feb 2014
2009 mooring data
2009 mooring data
AVISO (SSH)
ERA-Interim (wind stress curl)
Autumn
Spring
ERA-Interim (wind stress curl)
Early winter
ERA-Interim (wind stress curl)
Winter
ERA-Interim (wind stress curl)
AMSRE
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