C22B:
Physical and Chemical Air-Snow-Ice Interactions: From the Micro to the Global Scale I

Tuesday, 16 December 2014: 10:20 AM-12:20 PM
Chairs:  Markus M Frey, NERC British Antarctic Survey, Cambridge, CB3, United Kingdom and Zoe Courville, CRREL, Hanover, NH, United States
Primary Conveners:  Markus M Frey, British Antarctic Survey, Cambridge, United Kingdom
Co-conveners:  Jennie L Thomas, Univ Pierre and Marie Curie-Paris 6, Paris, France, Amanda M Grannas, Villanova University, Villanova, PA, United States and John F Burkhart, University of Oslo, Oslo, Norway; University of California, Merced, Sierra Nevada Research Institute, Merced, CA, United States
OSPA Liaisons:  Jennie L Thomas, Univ Pierre and Marie Curie-Paris 6, Paris, France

Abstracts Submitted to this Session:

10:20 AM
 
Factors influencing nitrogen isotopes of snow nitrate: implications for interpretations of ice core nitrate records
Lei Geng1, Becky Alexander1, Jihong Cole-Dai2, Eric J. Steig1, Joel P Savarino3, Eric D Sofen4 and Andrew Schauer1, (1)University of Washington, Seattle, WA, United States, (2)South Dakota State Univ, Brookings, SD, United States, (3)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (4)The University of York, York, United Kingdom
10:35 AM
 
High Levels of Molecular Chlorine found in the Arctic Atmosphere
Jin Liao1,2, Greg Huey2, Zhen Liu2,3, David Tanner2, Christopher A Cantrell4, John Joseph Orlando5, Frank M Flocke5, Paul B Shepson6, Andrew John Weinheimer5, Samuel R Hall5, Harry Beine7, Yuhang Wang2, Ellery D Ingall2, Chelsea R Thompson4,6, Rebecca S Hornbrook5, Eric C Apel5, Alan Fried4, Lee Mauldin4, James N Smith5, Ralf M Staebler8, J A Neuman1,9 and John B Nowak10, (1)NOAA ESRL, Boulder, CO, United States, (2)Georgia Institute of Technology, Atlanta, GA, United States, (3)Sandia National Laboratories, Albuquerque, NM, United States, (4)Univ of Colorado, Boulder, CO, United States, (5)NCAR, Boulder, CO, United States, (6)Purdue Univ, West Lafayette, IN, United States, (7)University of California, Davis, Davis, CA, United States, (8)Environment Canada Toronto, Toronto, ON, Canada, (9)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (10)Aerodyne Research Inc., Billerica, MA, United States
10:50 AM
 
An Overview of the Uintah Basin Winter Ozone Study Intensives: 2012, 2013, and 2014
James M Roberts1, Peter M Edwards2, Steven S Brown3, Ravan Ahmadov4, Timothy S Bates5, Joost A De Gouw1, Jessica Gilman6, Martin Graus7, Detlev Helmig4, Abigail Koss4, Andrew O'Neil Langford6, Barry L Lefer8, Brian M Lerner9, Rui Li10, Shao-Meng Li11, John Liggio12, Stuart A McKeen13, Robert McLaren14, David D Parrish15, Patricia Quinn16, Christoph J Senff15, Jochen Stutz17, Chelsea R Thompson18, Jui Yi Tsai17, Patrick R Veres10, Rebecca A Washenfelder15, Carsten Warneke10, Robert J Wild19, Cora Young20 and Bin Yuan10, (1)NOAA Earth System Research Lab, Boulder, CO, United States, (2)CIRES, Boulder, CO, United States, (3)NOAA Earth System Research Lab, Chemical Sciences Division, Boulder, CO, United States, (4)University of Colorado at Boulder, Boulder, CO, United States, (5)University of Washington Seattle Campus, Seattle, WA, United States, (6)NOAA ESRL, Boulder, CO, United States, (7)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (8)University of Houston, Houston, TX, United States, (9)NOAA, Earth System Research La, Boulder, CO, United States, (10)NOAA Boulder, Boulder, CO, United States, (11)Environment Canada, Toronto, ON, Canada, (12)Air Quality Research Division, Toronto, ON, Canada, (13)NOAA/ESRL, Boulder, CO, United States, (14)York University, Toronto, ON, Canada, (15)NOAA, Boulder, CO, United States, (16)NOAA/PMEL, Seattle, WA, United States, (17)University of California Los Angeles, Los Angeles, CA, United States, (18)Institute for Arctic and Alpine Research, Boulder, CO, United States, (19)Colorado University/NOAA/ESRL, Boulder, CO, United States, (20)Memorial University of Newfoundland, St John's, NL, Canada
11:05 AM
 
pH at the Air-Ice Interface: Connections to Halogen Activation Chemistry
Sumi Natalie Wren1, Jonathan Abbatt2 and D. James Donaldson2, (1)University of Oregon, Chemistry, Eugene, OR, United States, (2)University of Toronto, Department of Chemistry, Toronto, ON, Canada
11:20 AM
 
Photochemistry of Solutes in Different Locations in/on Ice. Part I: Visualizing Solute Locations
Cort Anastasio and Ted Hullar, University of California Davis, Davis, CA, United States
11:35 AM
 
Spatial Heterogeneity in Arctic Tundra Snow: Processes, Patterns, and Problems
Matthew Sturm1, Glen E Liston2, Anna M Wagner3 and Christopher A Hiemstra3, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)Colorado State Univ, Fort Collins, CO, United States, (3)Cold Regions Research and Engineering Laboratory Alaska, Fort Wainwright, AK, United States
11:50 AM
 
Liquid water dynamics in unsaturated snow: the role of lateral flow
Hans-Peter Marshall1,2, Achim Heilig2, Samantha Evans2, Mark Edward Robertson2, Hank Frasier Hetrick2, Dave Eiriksson2, Jesse Dean2, Andy Karlson2, Andrew R Hedrick2,3, John Bradford2, James P McNamara2, Alejandro N Flores2, Matthew J Kohn2 and Chago Rodriguez2, (1)US Army Cold Regions, Hanover, NH, United States, (2)Boise State Univ, Boise, ID, United States, (3)Agricultural Research Service Boise, Boise, ID, United States
12:05 PM
 
Satellite Observations of Blowing Snow in and Around Antarctica: Implications for Ice Sheet Mass Balance and Atmospheric Chemistry
Stephen P Palm, Science Systems and Applications, Inc., NASA Goddard Space Flight Center, Lanham, MD, United States, Yuekui Yang, NASA, Greenbelt, MD, United States and Alexander Marshak, NASA Goddard Space Flight Center, Greenbelt, MD, United States
 
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