A44D:
The Southern Ocean: Precipitation, Clouds, Aerosols, and the Air-Sea Interface II

Thursday, 18 December 2014: 4:00 PM-6:00 PM
Chairs:  Roger Marchand, University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States and Trish Quinn, NOAA Pacific Marine Environmental Laboratory, Seattle, Washington, United States
Primary Conveners:  Roger Marchand, University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States
Co-conveners:  Trish Quinn, NOAA Pacific Marine Environmental Laboratory, Seattle, Washington, United States
OSPA Liaisons:  Roger Marchand, University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States

Abstracts Submitted to this Session:

4:00 PM
 
Welcoming Remarks
4:01 PM
 
The cloudy nature of southern ocean preciptation
Graeme L Stephens, Jet Propulsion Laboratory, Pasadena, CA, United States and Richard Forbes, European Centre for Medium-Range Weather Forecasts, Reading, United Kingdom
4:16 PM
 
The Evidence for Two-Way Feedbacks Between Cloud Processes and Large Scale Climate Variability over the Southern Oceans
David W J Thompson and Ying Li, Colorado State University, Fort Collins, CO, United States
4:31 PM
 
The pristineness of the Southern Ocean aerosol system: a model view
Ken S Carslaw1, Douglas Hamilton1 and Lindsay Lee2, (1)University of Leeds, Leeds, United Kingdom, (2)University of Leeds, Leeds, LS2, United Kingdom
4:46 PM
 
Marine biogenic aerosols explain seasonal and spatial patterns of Southern Ocean cloud droplet number concentration
Daniel McCoy, University of Washington Seattle Campus, Seattle, WA, United States, Susannah M Burrows, Pacific Northwest National Laboratory, Richland, WA, United States, Scott Elliott, Los Alamos National Laboratory, Los Alamos, NM, United States, Daniel Peter Grosvenor, University of Leeds, Leeds, United Kingdom, Dennis L. Hartmann, University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States, Philip J Rasch, Pacific Northwest National Lab, Richland, WA, United States and Robert Wood, Univ Washington, Seattle, WA, United States
5:01 PM
 
Observations of Clouds, Aerosols and Surface Energy Fluxes over the Northern and Southern Atlantic Ocean with the Oceanet-Atmosphere Platform Onboard RV Polarstern
Andreas Macke1, Marlen Br├╝ckner2, Hartwig Deneke1, Ronny Engelmann1, Timo Hanschmann3, John Kalisch4, Thomas Kanitz1, Mike Merkel1, Bernhard Pospichal2 and Manuela van Pinxteren1, (1)Leibniz Institute for Tropospheric Research, Leipzig, Germany, (2)Leipzig Institute for Meteorology, Leipzig, Germany, (3)Deutscher Wetterdienst (DWD), Offenbach am Main, Germany, (4)University of Oldenburg, Oldenburg, Germany
5:16 PM
 
A Mixed Phase Tale: New Ways of using in-situ cloud observations to reduce climate model biases in Southern Ocean
Andrew Gettelman, NCAR, Boulder, CO, United States and Jeffrey L Stith, NCAR Rsch Aviation Facility, Broomfield, CO, United States
5:31 PM
 
A new source of Southern Ocean and Antarctic aerosol from tropospheric polar cell chemistry of sea ice emissions
Ruhi S Humphries1, Andrew R Klekociuk2, Robyn Schofield3, Andrew D Robinson4, Neil Richard Peter Harris4, Melita Keywood5, Jason Ward5, Ian Galbally5, Suzie Molloy5, Alan Thomas6 and Stephen R Wilson7, (1)University of Wollongong, Wollongong, Australia, (2)Australian Antarctic Division, Kingston, Australia, (3)University of Melbourne, Parkville, Australia, (4)University of Cambridge, Cambridge, United Kingdom, (5)CSIRO Marine and Atmospheric Research, Aspendale, Australia, (6)NIWA National Institute of Water and Atmospheric Research, Wellington, New Zealand, (7)University of Wollongong, Wollongong, NSW, Australia
5:46 PM
 
Linkages between Southern Ocean Cloud-Radiative Processes and the Large-Scale Southern Hemisphere Circulation, and Their Implications for Climate Model Projections
Kevin M Grise, University of Virginia Main Campus, Department of Environmental Sciences, Charlottesville, VA, United States and Lorenzo M Polvani, Columbia University, New York, NY, United States
 
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