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Deep water outflow from the Weddell Sea into the Scotia Sea ( SW Atlantic)

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 m Southern Ocean Database (Whitworth and Orsi, 2005).

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Deep water outflow from the Weddell Sea into the Scotia Sea ( SW Atlantic)

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  1. Deep water outflow from the Weddell Sea into the Scotia Sea (SW Atlantic) Inter-annual variability from one year of current meter data

  2. Motivation Significant freshening at the base of the ACC Salinity at 3000 m Southern Ocean Database (Whitworth and Orsi, 2005)

  3. E-SASSI project SASSI: Synoptic Antarctic Shelf-Slope Interactions study (IPY) 2009 mooring data (Spain and US projects) 2008 ESASSI cruise (Spain)

  4. Jan 2008 ESASSI cruise Outflow of vWG into the Scotia Sea associated to the Antarctic Slope Front (ASF) • New potential locations of ACC ventilation ASF ASF Scotia Pycnocline Weddell Pycnocline

  5. Mooring design Deployment: Feb 2009 Recovery: Feb 2010 New mooring, with sediment trap Deployment: Feb 2013 Recovery: Feb 2014

  6. 2009 mooring data

  7. 2009 mooring data

  8. AVISO (SSH)

  9. ERA-Interim (wind stress curl) Autumn Spring

  10. ERA-Interim (wind stress curl) Early winter

  11. ERA-Interim (wind stress curl) Winter

  12. ERA-Interim (wind stress curl)

  13. AMSRE

  14. Thanks for your attention!

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