Chairs: Karen L Smith, University of Toronto, Physical and Environmental Sciences, Toronto, ON, Canada, Kevin M Grise, University of Virginia Main Campus, Department of Environmental Sciences, Charlottesville, United States, Tamara Harms, University of Alaska Fairbanks, Fairbanks, AK, United States and Kate M Buckeridge, University of Kansas, Lawrence, KS, United States
Primary Convener: Michael J Previdi, Columbia University, Lamont‐Doherty Earth Observatory, Palisades, United States
Co-conveners: Kyle A Whittinghill, Saint Olaf College, Biology and Environmental Studies, Northfield, MN, United States, Karen L Smith, University of Toronto, Physical and Environmental Sciences, Toronto, ON, Canada and Kevin M Grise, University of Virginia Main Campus, Department of Environmental Sciences, Charlottesville, United States
OSPA Liaison: Michael J Previdi, Columbia University, Lamont‐Doherty Earth Observatory, Palisades, United States
Southern Hemisphere climate trends skewed by coarse temporal resolution of specified stratospheric ozone (12621)
Ryan R Neely III, CIRES/NOAA-ESRL/NCAR, Boulder, CO, United States, Daniel Robert Marsh, National Center for Atmospheric Research, High Altitude Observatory, Boulder, CO, United States, Karen L Smith, University of Toronto, Physical and Environmental Sciences, Toronto, ON, Canada, Sean M Davis, University of Colorado / CIRES, Boulder, CO, United States and Prof. Lorenzo M Polvani, PhD, Columbia University, Department of Applied Physics and Applied Mathematics, New York, United States
The Global and Local Climatic Response to the Collapse of the West Antarctic Ice Sheet (17846)
Kathleen M Huybers1,2, Hansi Alice Singh2, Nathan John Steiger3, Dargan M Frierson2, Eric J. Steig3 and Cecilia M Bitz4, (1)University of Utah, Department of Geography, Salt Lake City, WA, United States, (2)University of Washington, Seattle, WA, United States, (3)University of Washington, Seattle, United States, (4)University of Washington, Seattle, Seattle, WA, United States
Decadal Changes in Hydrography of the Southern Pacific Ocean and Ross Sea (21308)
Lynne D Talley, Scripps Institution of Oceanography, UCSD, La Jolla, United States, Brendan R Carter, Princeton University, Princeton, NJ, United States, Mark J Warner, Univ Washington, School of Oceanography, Seattle, United States, James H Swift, UCSD/SIO, La Jolla, CA, United States, Alejandro Hector Orsi, Texas A & M University, College Station, TX, United States and Bernadette Sloyan, CSIRO Marine and Atmospheric Research Hobart, Hobart, TAS, Australia
Southern Ocean Carbon Sink Constraints from Radiocarbon in Drake Passage Air (24681)
Colin M Lindsay, University of Colorado at Boulder, Geological Sciences/INSTAAR, Boulder, CO, United States, Scott Lehman, Institute for Arctic and Alpine Research, University of Colorado Boulder, Boulder, United States and John B Miller, NOAA, Global Monitoring Laboratory, Boulder, United States; University of Colorado at Boulder, CIRES, Boulder, CO, United States
Isotopic Identification of Nitrate Sources and Cycling in Arctic Tundra Active Layer Soils and Permafrost (18754)
Jeffrey M Heikoop1, Heather Throckmorton2, Brent D Newman3, George Perkins2, Marvin Gard2, Colleen M. Iversen4, Cathy Jean Wilson2 and Stan D Wullschleger5, (1)Los Alamos National Laboratory, Earth and Environmental Science Division, Los Alamos, NM, United States, (2)Los Alamos National Laboratory, Los Alamos, NM, United States, (3)Los Alamos National Laboratory, Earth and Environmental Science Division, Los Alamos, United States, (4)Oak Ridge National Laboratory, Climate Change Science Institute and Environmental Sciences Division, Oak Ridge, United States, (5)Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, United States
Rapid Recovery of a Gully Thermokarst: 10 Years of Observation of the Toolik River Thermokarst, North Slope, Alaska (7146)
William B Bowden1, Michael N Gooseff2, Jason J. Stuckey3, Randy A Fulweber3 and Julia R Larouche4, (1)University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, VT, United States, (2)University of Colorado Boulder, Civil, Environmental, and Architectural Engineering, Boulder, United States, (3)University of Alaska Fairbanks, Fairbanks, AK, United States, (4)University of Vermont, Burlington, VT, United States