GC11F:
Decadal-to-Multidecadal Climate Variability, Climate Change, and Nutrient Cycling at High Latitudes I

Session ID#: 2656

Monday, 15 December 2014: 8:00 AM-10:00 AM
3002 (Moscone West)
Chairs:  Michael J Previdi, Columbia University, Lamont‐Doherty Earth Observatory, Palisades, United States, Kevin M Grise, University of Virginia Main Campus, Department of Environmental Sciences, Charlottesville, United States, Kyle A Whittinghill, Saint Olaf College, Biology and Environmental Studies, Northfield, MN, United States and Tamara Harms, University of Alaska Fairbanks, Fairbanks, AK, 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
Co-Sponsor(s):
  • A - Atmospheric Sciences
Index Terms:

1610 Atmosphere [GLOBAL CHANGE]
1616 Climate variability [GLOBAL CHANGE]
1620 Climate dynamics [GLOBAL CHANGE]
1626 Global climate models [GLOBAL CHANGE]
Virtual Option?: No
Swirl Theme: Enhanced Climate Changes at High Latitude

Abstracts Submitted to this Session:

GC11F-01
Wind increase over cooling Southern Ocean driven by tropical warming and polar ozone hole (Invited) (3271)
David P Schneider1, Tingting Fan1 and Clara Deser2, (1)National Center for Atmospheric Research, Boulder, CO, United States, (2)National Center for Atmospheric Research, Climate and Global Dynamics Division, Boulder, CO, United States
GC11F-02
The Global Influence of Southern Ocean Shortwave Radiation Biases (Invited) (2303)
Jennifer E Kay, University of Colorado Boulder, Department of Atmospheric and Oceanic Sciences, Boulder, United States, Vineel Kumar Reddy Yettella, University of Colorado at Boulder, Atmospheric and Oceanographic Sciences and CIRES, Boulder, CO, United States, Brian Medeiros, National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, United States and Andrew Gettelman, Pacific Northwest National Laboratory, Richland, WA, United States
GC11F-03
Trends and Variability of Southern Ocean Temperature and Salinity in Models and Observations (4721)
Kyle Armour1, Cecilia M Bitz2, John C Marshall3 and Jeffery R Scott3, (1)Massachusetts Institute of Technology, Cambridge, United States, (2)University of Washington, Atmospheric and Climate Science, Seattle, United States, (3)MIT, Cambridge, United States
GC11F-04
A Spurious Jump in the Satellite Record: Has Antarctic Sea Ice Expansion Been Overestimated? (Invited) (2558)
Ian Eisenman, University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States, Walter Meier, National Snow and Ice Data Center, CIRES, University of Colorado Boulder, Boulder, United States and Joel R Norris, Scripps Institution of Oceanography, University of California San Diego, La Jolla, United States
GC11F-05
Century-scale perspectives on observed and simulated Southern Ocean sea ice trends from 20th century ice core proxies. (14988)
Will R Hobbs, Institute for Marine and Antarctic Studies, University of Tasmania, nipaluna/Hobart, TAS, Australia
GC11F-06
The Effects of Interactive Stratospheric Chemistry on Antarctic and Southern Ocean Climate Change in a Coupled Atmosphere-Ocean General Circulation Model (12658)
Feng Li, Goddard Earth Science Technology and Research, Greenbelt, MD, United States, Paul A Newman, NASA Goddard Space Flight Center, Code 610, Greenbelt, MD, United States, Steven Pawson, NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, United States and Darryn Waugh, Johns Hopkins University, Earth and Planetary Sciences, Baltimore, MD, United States
GC11F-07
Permafrost Disturbance Impacts on Dissolved Ion Loads and Nitrogen Dynamics (Invited) (8841)
Melissa J Lafreniere1, Nicole L Louiseize2, Scott F Lamoureux2 and Meredith Galanter Hastings3, (1)Queen's University, Geography and Planning, Kingston, ON, Canada, (2)Queen's University, Geography, Kingston, ON, Canada, (3)Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, RI, United States
GC11F-08
Phosphorus as a Colimiting Nutrient with Nitrogen of Birch Plant Growth Across the Arctic (Invited) (6049)
Paul Grogan1, Tara Zamin1 and Jean-Pierre Tremblay2, (1)Queen's University, Biology, Kingston, ON, Canada, (2)Laval University, Biology, Quebec City, QC, Canada
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