C31C:
Physical and Chemical Air-Snow-Ice Interactions: From the Micro to the Global Scale II Posters

Wednesday, 17 December 2014: 8:00 AM-12:20 PM
Chairs:  Jennie L Thomas, Univ Pierre and Marie Curie-Paris 6, Paris, France and Amanda M Grannas, Villanova University, Villanova, PA, 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:  Amanda M Grannas, Villanova University, Villanova, PA, United States

Abstracts Submitted to this Session:

 
Nitrate near the Surface of Polycrystalline and Dendritic Ice
Rebecca R H Michelsen and Harley Artemis Marrocco, Randolph-Macon College, Ashland, VA, United States
 
The Isotopic Composition of Nitrate in West Antarctica at Present and Since the Last Glacial Stage
Aron Buffen and Meredith Galanter Hastings, Brown University, Department of Earth, Environmental and Planetary Sciences, Providence, RI, United States
 
Incorporation of snow nitrate photochemistry into a global chemical transport model: Impact on boundary layer chemistry and ice core records in Antarctica and Greenland
Maria Christine Zatko, Becky Alexander and Lei Geng, University of Washington Seattle Campus, Seattle, WA, United States
 
The impact of molecular iodine photochemistry in the Arctic
Angela R. W. Raso1, Kyle D Custard1, Paul B Shepson2, Kerri Pratt3, David Tanner4 and Greg Huey5, (1)Purdue University, West Lafayette, IN, United States, (2)Purdue Univ, West Lafayette, IN, United States, (3)University of Michigan Ann Arbor, Department of Chemistry and Department of Earth & Environmental Sciences, Ann Arbor, MI, United States, (4)Georgia Tech, Atlanta, GA, United States, (5)Georgia Institute of Technology, Atlanta, GA, United States
 
The Role of Blowing Snow in the Activation of Bromine over First-Year Antarctic Sea Ice
Ross Lieb-Lappen and Rachel W Obbard, Dartmouth College, Hanover, NH, United States
 
Flux measurements from in-snow production of molecular halogens in Barrow, Alaska
Kyle D Custard1, Angela R. W. Raso1, Paul B Shepson2, Kerri Pratt3 and Ralf M Staebler4, (1)Purdue University, West Lafayette, IN, United States, (2)Purdue Univ, West Lafayette, IN, United States, (3)University of Michigan Ann Arbor, Department of Chemistry and Department of Earth & Environmental Sciences, Ann Arbor, MI, United States, (4)Environment Canada Toronto, Toronto, ON, Canada
 
A Comparison of Arctic Ozone Depletion Event Characteristics from Coastal- and Ocean-based Observations
John W Halfacre1, Paul B Shepson1, Peter Peterson2, William R Simpson2, Jan W Bottenheim3, Stoyka Netcheva4, Andreas Richter5, Son V Nghiem6, Donald K Perovich7 and Patricia Matrai8, (1)Purdue University, West Lafayette, IN, United States, (2)Univ of Alaska, Fairbanks, AK, United States, (3)Environment Canada, Aurora, ON, Canada, (4)Environment Canada Toronto, Toronto, ON, Canada, (5)University of Bremen, Bremen, Germany, (6)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (7)USA CRREL, Hanover, NH, United States, (8)Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States
 
Microbial Analysis of Arctic Snow and Frost Flowers: What Next Generation Sequencing Method Can Reveal
Roya Mortazavi, Saeid Attiya and Parisa A. Ariya, McGill University, Montreal, QC, Canada
 
Bio-Organic Physical Chemistry of the Arctic and Subarctic
Gregor Kos, Parisa A. Ariya, Rodrigo Rangel Alvarado and Roya Mortazavi, McGill University, Montreal, QC, Canada
 
Exploration of Photon Fluxes in Illuminated Water Ice
Alexander S. McFall and Cort Anastasio, University of California Davis, Davis, CA, United States
 
The Photochemical Reaction Between Phenol and an Excited Triplet State is Enhanced in/on Ice Compared to in Solution
Zeyuan Chen, UC Davis, Davis, CA, United States and Cort Anastasio, University of California Davis, Davis, CA, United States
 
Photochemistry of Solutes in Different Locations in/on Ice. Part II: Reaction Rate Measurements
Ted Hullar and Cort Anastasio, University of California Davis, Davis, CA, United States
 
Freeze Enhanced Halate Halide Reactions
John T Newberg, Ken Weaver and Alicia Broderick, University of Delaware, Newark, DE, United States
 
Sedimentation Waves on the Martian North Polar Cap: Analogy with Megadunes in Antarctica
Clémence Herny1, Marion Masse1, Olivier Bourgeois1, Sabrina Carpy1, Stephane Le Mouelic1, Thomas Appéré2,3, Isaac B Smith4, Aymeric Spiga5, Laurent Perret6, Sebastien Rodriguez3, Thibaud Piquet6, Dominique Gaudin6 and Erwan Le Menn1, (1)LPGN Laboratoire de Planétologie et Géodynamique de Nantes, Nantes Cedex 03, France, (2)IPAG Institut de Planétologie et d’Astrophysique de Grenoble, Grenoble Cedex 9, France, (3)AIM - CEA/CNRS/Uni. P7, Gif/Yvette, France, (4)Southwest Research Institute Boulder, Boulder, CO, United States, (5)LMD Laboratoire de Météorologie Dynamique, Paris, France, (6)LHEEA Laboratoire de recherche en Hydrodynamique, Énergétique et Environnement Atmosphérique, Nantes, France
 
The Morphology of Polar Snow Surfaces: A Race Between Time and Snow Grain Properties
Simon Vincent Pierre Filhol and Matthew Sturm, University of Alaska Fairbanks, Fairbanks, AK, United States
 
SAGE 2014: Grain size variability across the Sunlight Absorption on the Greenland ice sheet Experiment (SAGE) traverse route
Zoe Courville, CRREL, Hanover, NH, United States, Chris Polashenski, Organization Not Listed, Washington, DC, United States, Florent Domine, Laval University, Quebec City, QC, Canada, Michael Howard Bergin, Georgia Inst Tech, Atlanta, GA, United States, Justin Chen, Hanover High School, Hanover, NH, United States, Lauren Farnsworth, Dept. Earth Sciences, Dartmouth College, Hanover, NH, United States, Carolyn Stwertka, Thayer School of Engineering,Dartmouth College, Hanover, NH, United States, Michael C. Stewart, Earth Systems Research Center, EOS/UNH, Durham, NH, United States and Jack E Dibb, Univ New Hampshire, Durham, NH, United States
 
Albedo Drop on the Greenland Ice Sheet: Relative Impacts of Wet and Dry Snow Processes
Justin Chen, Hanover High School, Hanover, NH, United States and Chris Polashenski, USA CRREL, Hanover, NH, United States
 
Spatial Distribution of Firn Close-Off Depth, Delta Age, and Depth-Integrated Porosity in the Greenland Ice Sheet
Huong Vo, C. Max Stevens, Michael Yoon and Edwin D Waddington, University of Washington Seattle Campus, Seattle, WA, United States
 
Unique Field Measurement Detects Mpemba Effect during the Natural Ice Thickening
Jolana Hruba1 and Gunther Kletetschka1,2, (1)Charles University in Prague, Faculty of Science, Prague, Czech Republic, (2)Academy of Sciences of the Czech Republic, Institute of Geology, Prague, Czech Republic
 
Surface Formation and Preservation of Very-Low-Porosity Thin Crusts ( “Glazes”) at the WAIS Divide Site, West Antarctica
John M Fegyveresi1, Richard B Alley1, Atsuhiro Muto1, Matthew Keith Spencer2 and Anais J Orsi3, (1)The Pennsylvania State University, University Park, PA, United States, (2)Lake Superior State University, Sault Saint Marie, MI, United States, (3)CEA CNRS UVSQ, Lab Sci Climat & Environm, Gif Sur Yvette, France
 
Evolution of the Specific Surface Area of Snow in a High Temperature Gradient Metamorphism
Xuan Wang, Dartmouth College, Thayer School of Engineering, Hanover, NH, United States and Ian Baker, Dartmouth College, Hanover, NH, United States
 
Time-Lapse Micro-Tomography Measurements and Determination of Effective Transport Properties of Snow Metamorphism Under Advective Conditions
Pirmin Philipp Ebner1,2, Sascha Grimm1, Hans Christian Steen-Larsen3, Martin Schneebeli1 and Aldo Steinfeld2,4, (1)WSL Institute for Snow and Avalanche Research SLF, Davos Dorf, Switzerland, (2)ETH Zurich, Department of Mechanical and Process Engineering, Zurich, Switzerland, (3)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (4)Paul Scherrer Institute, Solar Technology Laboratory, Villigen, Switzerland
 
Effects of Climate Changes on Firn Properties and Gas Transport in Firn
Christopher Stevens1, Jessica Lundin2, Huong Vo1, Michael Yoon1 and Edwin D Waddington1, (1)University of Washington, Seattle, WA, United States, (2)Vaisala Inc., Louisville, CO, United States
 
Simulation of gas diffusion through inhomogeneous layered snow and firn
Amber N Whelsky, Dartmouth College, Hanover, NH, United States and Mary R Albert, Dartmouth College, Thayer School of Engineering, Hanover, NH, United States
 
Understanding the production and retention of in situ cosmogenic 14C in polar firn
Benjamin Hmiel1, Vasilii V Petrenko1, Andrew Smith2, Christo Buizert3, Christina M Harth4, Ross Beaudette4, Philip Place Jr1, Quan Hua2, Bin Yang2, Isaac Vimont5, Ray F Weiss4, Jeffrey P Severinghaus4, Edward Brook3 and James W C White5, (1)University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States, (2)Australian Nuclear Science and Technology Organisation (ANSTO), Kirrawee DC, NSW, Australia, (3)Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis, OR, United States, (4)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (5)Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO, United States
 
Comparison of Firn-Model Outputs for Steady-State Climates
Michael Yoon1, Edwin D Waddington1, Christopher Stevens2 and Huong Vo1, (1)University of Washington Seattle Campus, Seattle, WA, United States, (2)University of Washington, Seattle, WA, United States
 
A 40-year record of Northern Hemisphere atmospheric carbon monoxide concentration and isotope ratios from the firn at Greenland Summit.
Philip Place Jr1, Vasilii V Petrenko1, Isaac Vimont2, Christo Buizert3, Patricia M Lang4, Jon Edwards3, Christina M Harth5, Benjamin Hmiel1, John E Mak6, Paul C Novelli4, Edward Brook3, Ray F Weiss5, Bruce H Vaughn2 and James W C White2, (1)University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States, (2)Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO, United States, (3)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (4)National Oceanic and Atmospheric Administration, Global Monitoring Division, Earth System Research Laboratory, Boulder, CO, United States, (5)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (6)SUNY Stony Brook, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States
 
The 1500m South Pole Ice Core: Recovering a 40,000 year environmental record
Tom Neumann1, Kimberly Casey2, Tyler J Fudge3, Eric J. Steig4, Eric S Saltzman5, Murat Aydin5, Mark Twickler6 and Joseph M Souney Jr7, (1)NASA Goddard Space Flight Ctr., Greenbelt, MD, United States, (2)NASA Goddard Space Flight Ctr, Greenbelt, MD, United States, (3)University of Washington Seattle Campus, Seattle, WA, United States, (4)University of Washington, Seattle, WA, United States, (5)University of California Irvine, Irvine, CA, United States, (6)University of New Hampshire Main Campus, Durham, NH, United States, (7)University of New Hampshire, Durham, NH, United States
 
Holocene climate at Siple Dome, West Antarctica, using bubble number-density.
Matthew Keith Spencer1, Andrew Dennison1, Richard B Alley2, Joan J Fitzpatrick3 and John M Fegyveresi4, (1)Lake Superior State University, Sault Saint Marie, MI, United States, (2)Pennsylvania State Univ, University Park, PA, United States, (3)USGS, Denver, CO, United States, (4)The Pennsylvania State University, University Park, PA, United States
 
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