PP43F:
Observations and Dynamics of Deglaciations I

Thursday, 18 December 2014: 1:40 PM-3:40 PM
Chairs:  Anna L C Hughes, University of Bergen, Bergen, Norway, Guleed Ali, Columbia University of New York, Palisades, NY, United States, Kyle Armour, Massachusetts Institute of Technology, Cambridge, MA, United States and William H.G. Roberts, University of Bristol, Bristol, BS8, United Kingdom
Primary Conveners:  William H.G. Roberts, University of Bristol, Bristol, BS8, United Kingdom
Co-conveners:  Guleed Ali, Columbia University in the City of New York, New York, NY, United States, Anna L C Hughes, University of Bergen, Bergen, Norway and Kyle Armour, Massachusetts Institute of Technology, Dept of Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States
OSPA Liaisons:  Anna L C Hughes, University of Bergen, Bergen, Norway

Abstracts Submitted to this Session:

1:40 PM
 
Ice Stream Dynamics during Deglaciation of the Laurentide Ice Sheet
Chris Stokes1, Martin Margold1 and Chris Clark2, (1)University of Durham, Durham, United Kingdom, (2)Univ Sheffield, Sheffield, United Kingdom
1:55 PM
 
The Role of Ice Streams in Deglaciation
Alexander Robel1, Christian Schoof2 and Eli Tziperman1, (1)Harvard University, Cambridge, MA, United States, (2)University of British Columbia, Vancouver, BC, Canada
2:10 PM
 
Update on the Dynamics of the Late Wisconsinan Northwestern Laurentide Ice-Sheet
Claude Hillaire-Marcel, University of Quebec at Montreal UQAM, Montreal, QC, Canada and Lev Tarasov, Memorial University of Newfoundland, St John's, NL, Canada
2:25 PM
 
Early Break-up (~20 ka) of the Norwegian Channel Ice Stream of the Scandinavian Ice Sheet during the Last Glacial Maximum
John Inge Svendsen1, Jason P Briner2, Jan Mangerud3, Anna L C Hughes3, Nicolas E. Young4 and Kristian Vasskog5, (1)University of Bergen, Department of Earth Science, Bergen, Norway, (2)University at Buffalo, Buffalo, NY, United States, (3)University of Bergen, Bergen, Norway, (4)Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (5)Bjerknes Centre for Climate Research, Bergen, Norway
2:40 PM
 
Paleoceanography and Ice Sheet-Ocean Interactions on the Central West Greenland Margin, LGM through Deglaciation
Anne E Jennings1, John T Andrews1, Colm Ó Cofaigh2, Guillaume St-Onge3, Simon T. Belt4, Patricia Cabedo-Sanz5 and Julian A. Dowdeswell6, (1)Institute of Arctic and Alpine Research, Boulder, CO, United States, (2)Durham University, Department of Geography, Durham, United Kingdom, (3)University of Quebec at Rimouski UQAR, Rimouski, QC, Canada, (4)Plymouth University, Biogeochemistry Research Centre, Plymouth, United Kingdom, (5)Plymouth University, Plymouth, PL4, United Kingdom, (6)Scott Polar Research Institute, University of Cambridge, Cambridge, United Kingdom
2:55 PM
 
When Was MWP-1A? Evidence From Two New Hawaiian Coral Reef Records
Kenneth Howard Rubin, Univ Hawaii, Department of Geology & Geophysics, SOEST, Honolulu, HI, United States, Charles Henry Fletcher II, Univ Hawaii, Honolulu, HI, United States and Jerry X Mitrovica, Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States
3:10 PM
 
How much did the N. American ice sheet contribute to the Meltwater Pulse 1a sea level rise event ?
Lauren J Gregoire1, Natalya A Gomez2, Bette L Otto-Bliesner3, Antony John Payne4 and Paul J Valdes4, (1)University of Leeds, Leeds, LS2, United Kingdom, (2)New York University, New York, NY, United States, (3)National Center for Atmospheric Research, Boulder, CO, United States, (4)University of Bristol, Bristol, United Kingdom
3:25 PM
 
Rapid Climate Shifts during last Deglaciation over Central to Northern Europe
Frederik Schenk1,2, Francesco Muschitiello1, Jenny Brandefelt2,3, Barbara Wohlfarth1, Lev Tarasov4, Jens-Ove Naslund3,5 and Arne V Johansson2, (1)Stockholm University, Department of Geological Sciences, Stockholm, Sweden, (2)KTH Royal Institute of Technology, Linné FLOW Centre / Mechanics, Stockholm, Sweden, (3)SKB Swedish Nuclear Fuel and Waste Management, Stockholm, Sweden, (4)Memorial University of Newfoundland, St John's, NL, Canada, (5)Stockholm University, Department of Physical Geography and Quaternary Geology, Stockholm, Sweden