PP21G:
Sea Ice in Earth History:€“ Proxy Data and Modeling I

Tuesday, 16 December 2014: 8:00 AM-10:00 AM
Chairs:  Eric W Wolff, University of Cambridge, Cambridge, United Kingdom and Rainer Gersonde, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
Primary Conveners:  Rainer Gersonde, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
Co-conveners:  Hugues Goosse, Université Catholique de Louvain, Louvain-La-Neuve, Belgium
OSPA Liaisons:  Ruediger H Stein, Alfred Wegener Institute, Bremerhaven Frg, Germany

Abstracts Submitted to this Session:

8:00 AM
 
What can we learn from the Paleo-Records about Future Arctic Climate Change?
Bruno Tremblay, McGill University, Montreal, QC, Canada, David B Huard, David Huard Solutions, Quebec City, QC, Canada, Gavin A Schmidt, NASA/GISS, New York, NY, United States and Anne de Vernal, University of Quebec at Montreal UQAM, Montreal, QC, Canada
8:15 AM
 
Northern Hemisphere sea-ice cover during the Holocene – proxy data reconstruction and modelling
Marit-Solveig Seidenkrantz1, Anne de Vernal2, Hugues Goosse3, Sandrine Solignac2, Nicolas Van Nieuwenhove2, Marc Macias-Fauria4, François Klein3, Christof Pearce5,6, Simon T. Belt7, Beth Caissie8, Thomas M Cronin9, Ruediger H Stein10, Longbin Sha1,11 and Lauren H. DeNinno9, (1)Aarhus University, Aarhus, Denmark, (2)University of Quebec at Montreal UQAM, Montreal, QC, Canada, (3)Université Catholique de Louvain, Louvain-La-Neuve, Belgium, (4)University of Oxford, Oxford, United Kingdom, (5)Aarhus University, Department of Geoscience, Aarhus, Denmark, (6)Stockholm University, Department of Geological Sciences, Stockholm, Sweden, (7)University of Plymouth, 6School of Geography, Earth and Environmental Sciences, Plymouth, United Kingdom, (8)Iowa State University, Department. of Geological and Atmospheric Sciences, Ames, IA, United States, (9)U.S. Geological Survey, Reston, Virginia, USA, VA, United States, (10)Alfred Wegener Institute,, Bremerhaven, Germany, (11)East China Normal University, Key Laboratory of Geographic Information Science, Shanghai, China
8:30 AM
 
Arctic sea ice variability during the last deglaciation: a biomarker approach
Juliane Müller and Ruediger H Stein, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
8:45 AM
 
Last Glacial Maximum to Holocene Sea Ice Decline in the Bering and Chukchi Seas: a Comparison of Diatom-, IP25-, and Grain Size-Based Sea Ice Proxies
Beth Caissie1, James Joseph Kocis2, Anna Nesterovich1, Ben Mauri Pelto2 and Julie Brigham-Grette2, (1)Iowa State University, Department. of Geological and Atmospheric Sciences, Ames, IA, United States, (2)University of Massachusetts Amherst, Amherst, MA, United States
9:00 AM
 
The Pliocene Sea Ice Cover in the Arctic Ocean
Jochen Knies1,2, Patricia Cabedo-Sanz3, Simon T. Belt3, Soma Baranwal1, Susanne Fietz4 and Antoni Rosell Mele5, (1)UiT The Arctic University of Norway, CAGE-Centre for Arctic Gas Hydrate, Environment, and Climate, Dept. of Geology, Tromso, Norway, (2)Geological Survey of Norway, Trondheim, Norway, (3)Plymouth University, Biogeochemistry Research Centre, Plymouth, United Kingdom, (4)Stellenbosch University, Department of Earth Sciences, Stellenbosch, South Africa, (5)Autonomous University of Barcelona, Cerdanyola del Val, Spain
9:15 AM
 
Southern Ocean Surface Temperature and Sea Ice Fields during the Last Interglacial
Oliver Esper1,2, Rainer Gersonde1,2 and Gerrit Lohmann1,2, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)MARUM - Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany
9:30 AM
 
What Can Sea Ice Reconstructions Tell Us About Recent Regional Trends in Sea Ice Around Antarctica?
Nerilie Abram1, Robert Mulvaney2 and Eugene J Murphy2, (1)Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, (2)British Antarctic Survey, Cambridge, United Kingdom
9:45 AM
 
Halogens: From Annual To a Millennial Time Scale
Andrea Spolaor1, Paul Travis Vallelonga2, Anja Schoenhardt3, Jacopo Gabrieli4, John M C Plane5, Mark A Curran6, Mats P Bjorkman7,8 and Carlo Barbante1,4, (1)University of Venice, Venice, Italy, (2)Centre for Ice and Climate, Copenhagen, Denmark, (3)University of Bremen, Bremen, Germany, (4)CNR Institute for the Dynamics of Environmental Processes, Milan, Italy, (5)University of Leeds, Leeds, LS2, United Kingdom, (6)Australian Antarctic Division, Hobart, Australia, (7)University of Gothenburg, Gothenburg, Sweden, (8)Norwegian Polar Institute, Tromsø, Norway