Primary Convener: Vasilii V Petrenko, University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States
Conveners: Murat Aydin, University of California Irvine, Irvine, CA, United States, Peter D Neff, University of Minnesota Twin Cities, Department of Soil, Water, and Climate, Minneapolis, MN, United States and Alison S Criscitiello, University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada
Primary Liaison: Vasilii V Petrenko, University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States
Chairs: Peter D Neff, University of Minnesota Twin Cities, Department of Soil, Water, and Climate, Minneapolis, MN, United States and Vasilii V Petrenko, University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States
OSPA Liaison: Alison S Criscitiello, University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada
10:33
Rectifier Effect due to Seasonality in Convective Mixing in Firn (762735)
Cathy M Trudinger1, David M Etheridge1, Christo Buizert2, Benjamin Hmiel3, Paul B Krummel1, Ray Leonard Langenfelds1, Martin Manning4, Blagoj Mitrevski1, Peter D Neff5, Vasilii V Petrenko3, Jeffrey P Severinghaus6, Andrew Milford Smith7 and Martin K Vollmer8, (1)CSIRO, Oceans and Atmosphere, Aspendale, VIC, Australia, (2)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (3)University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States, (4)Victoria University of Wellington, Wellington, New Zealand, (5)University of Minnesota Twin Cities, Department of Soil, Water, and Climate, Minneapolis, MN, United States, (6)Scripps Institution of Oceanography, La Jolla, CA, United States, (7)Australian Nuclear Science and Technology Organisation (ANSTO), Kirrawee DC, Australia, (8)EMPA, Duebendorf, Switzerland
10:42
From snowflake to ice core – what processes are influencing the climate signal in the water isotopic composition of the snow from it is deposited to it becomes buried? (759168)
Hans Christian Steen-Larsen1, Maria Hörhold2, Sonja Wahl1, Abigail Hughes3, Anne-Katrine Faber1, Alexandra Zuhr4, Arny Sveinbjörnsdóttir5, Melanie Behrens6, Laura Dietrich1 and Sepp Kipfstuhl2, (1)University of Bergen, Bergen, Norway, (2)Alfred Wegener Institute, Bremerhaven, Germany, (3)Institute of Arctic and Alpine Research, Boulder, United States, (4)Alfred-Wegener-Institute, Potsdam, Germany, (5)IES, Reykajvik, Iceland, (6)Alfred-Wegener-Institute, Bremerhaven, Germany
10:48
Microradiocarbon age constraints in the Mt. Hunter, Alaska ice core: implications for Central Alaska Holocene ice extent and climate (681939)
Karl J Kreutz, University of Maine, Climate Change Institute, Orono, ME, United States, Theo Jenk, Paul Scherrer Institute, Villigen, Switzerland, Dominic Winski, University of Maine, School of Earth and Climate Sciences, Orono, ME, United States, Ling Feng, Paul Sherrer Institute, Villgen, Switzerland, Erich C Osterberg, Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, Seth W Campbell, University of Maine, School of Earth and Climate Sciences and Climate Change Institute, Orono, ME, United States, Cameron P Wake, Univ New Hampshire, Durham, NH, United States and Margit Schwikowski, Paul Scherrer Institut, Villigen, Switzerland
10:51
Recent changes in carbon monoxide mole fraction and stable isotope values observed in firn air from Summit, Greenland (741313)
Philip Place Jr1, Vasilii V Petrenko1, Benjamin Hmiel1,2, Isaac Vimont3, Lee T Murray1, Kostas Tsigaridis4 and Christo Buizert5, (1)University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States, (2)Environmental Defense Fund, Austin, TX, United States, (3)NOAA, ESRL, GML, CCGG, Boulder, CO, United States, (4)Columbia University, New York, NY, United States, (5)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States
10:54
High Resolution Measurements of CH4 and δ15N-N2 in the GISP2 Ice Core Across Heinrich Events H1 Through H5 (681970)
Kaden Martin1, Christo Buizert2, Edward J Brook2, Michael Kalk2, Jon Shelley Edwards2, Benjamin Young1, Jeffrey P Severinghaus3 and Ross Beaudette3, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (2)Oregon State University, College of Ocean, Earth, and Atmospheric Sciences, Corvallis, OR, United States, (3)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States
10:57
Two-dimensional impurity imaging in deep Antarctic ice cores: Snapshots of three climatic periods and implications for high-resolution signal interpretation (729089)
Pascal Bohleber1, Marco Roman1, Luca Fiorini2, Martin Šala3, Barbara Stenni4, Barbara Delmonte5 and Carlo Barbante1,6, (1)Ca' Foscari University, Department of Environmental Sciences, Informatics and Statistics, Venice, Italy, (2)Ca' Foscari University, Department of Molecular Sciences and Nanosystems, Venice, Italy, (3)National Institute of Chemistry, Analytical Chemistry Laboratory, Ljubljana, Slovenia, (4)Ca’ Foscari University of Venice, Department of Environmental Sciences, Informatics and Statistics, Venice, Italy, (5)Dip. Scienze Ambientali, University of Milano-Bicocca, Department of Earth and Environmental Sciences, Milan, Italy, (6)CNR Institute of Polar Sciences, Mestre-Venice, Italy
