PP24A:
Cenozoic through Modern Climate and Glacial Records and Processes at High-Latitude Margins III

Tuesday, 16 December 2014: 4:00 PM-6:00 PM
Chairs:  Sean P S Gulick, University of Texas, Institute for Geophysics, Austin, TX, United States and Amelia Shevenell, University of South Florida St. Petersburg, St Petersburg, FL, United States
Primary Conveners:  Carys P Cook, University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States
Co-conveners:  Claire E Huck, University of Florida, Department of Geological Sciences, Gainesville, FL, United States, Amelia Shevenell, University of South Florida St. Petersburg, St Petersburg, FL, United States and Erin McClymont, University of Durham, Durham, DH1, United Kingdom
OSPA Liaisons:  Amelia Shevenell, University of South Florida St. Petersburg, St Petersburg, FL, United States

Abstracts Submitted to this Session:

4:00 PM
 
East Antarctic land-ice/ocean networks: progress and questions
Donald D Blankenship1, Duncan A Young2, Jamin Stevens Greenbaum2, Jason L Roberts3, Tas D van Ommen3, Alan Aitken4 and Martin John Siegert5, (1)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (2)University of Texas, Institute for Geophysics, Austin, TX, United States, (3)Australian Antarctic Division, Kingston, Australia, (4)University of Western Australia, School of Earth and Environment, Crawley, WA, Australia, (5)Imperial College London, Grantham Institute and Department of Earth Science and Engineering, London, United Kingdom
4:15 PM
 
On the Revealing Firsthand Probing of Ocean-Ice-Atmosphere Interactions off Sabrina Coast During NBP1402
Alejandro Hector Orsi1, Natalie Jane Zielinski1, William Joseph Durkin IV2, Paul Clark1, Christina L Wiederwohl1, Mark Andrew Rosenberg3, Bruce A Huber4, David Gwyther5, Jamin Stevens Greenbaum6, Caroline Lavoie7, Amelia Shevenell8, Amy Leventer9, Donald D Blankenship6, Sean P S Gulick6 and Eugene W Domack8, (1)Texas A & M University, College Station, TX, United States, (2)Cornell University, Ithaca, NY, United States, (3)Antarctic Cooperative Research Centre, CSIRO, Hobart, Australia, (4)Lamont-Doherty Earth Obs, Palisades, NY, United States, (5)University of Tasmania, Austin, TX, United States, (6)University of Texas, Institute for Geophysics, Austin, TX, United States, (7)University of Aveiro, Aveiro, Portugal, (8)University of South Florida St. Petersburg, St Petersburg, FL, United States, (9)Colgate University, Geology, Hamilton, NY, United States
4:30 PM
 
Environmental and ice volume changes based on seismic stratigraphy in Sabrina Coast, East Antarctica: Preliminary results from NBP1402
Sean P S Gulick1, Rodrigo A Fernandez-Vasquez2, Bruce Frederick1, Steffen Saustrup Sr.1, Eugene W Domack3, Caroline Lavoie4, Amelia Shevenell3, Donald D Blankenship2 and Amy Leventer5, (1)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (2)University of Texas at Austin, Austin, TX, United States, (3)University of South Florida St. Petersburg, St Petersburg, FL, United States, (4)University of Aveiro, Aveiro, Portugal, (5)Colgate University, Geology, Hamilton, NY, United States
4:45 PM
 
Pre-glacial, Early Glacial, and Ice Sheet Stratigraphy Cored During NBP1402, Sabrina Coast, East Antarctic Margin
Eugene W Domack1, Sean P S Gulick2, Rodrigo A Fernandez-Vasquez3, Bruce Frederick2, Caroline Lavoie4, Amy Leventer5, Amelia Shevenell1, Steffen Saustrup Sr.2, Steven M Bohaty6 and Francesca Sangiorgi7, (1)University of South Florida St. Petersburg, St Petersburg, FL, United States, (2)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (3)University of Texas at Austin, Austin, TX, United States, (4)University of Aveiro, Aveiro, Portugal, (5)Colgate University, Geology, Hamilton, NY, United States, (6)University of Southampton, Southampton, United Kingdom, (7)Utrecht University, Utrecht, 3584, Netherlands
5:00 PM
 
From Greenhouse to Icehouse at the Wilkes Land Antarctic Margin: IODP Expedition 318
Carlota Escutia, I Andaluz de Ciencias Tierra, Armilla, Granada, Spain and Henk Brinkhuis, Royal Netherlands Institute for Sea Research, Den Burg, Netherlands
5:15 PM
 
Benthic Epiphytic Diatoms in Deep-sea Southern Ocean Sediments as a New Tool for Reconstructing Antarctic Paleoclimatic and Paleoceanographic History: Implications of Floating ‘Macroalgal Biotic Oases’
David M Harwood1, Nishaila Porter2 and Suzanne OConnell2, (1)University of Nebraska Lincoln, Lincoln, NE, United States, (2)Wesleyan University, Earth and Environmental Sciences, Middletown, CT, United States
5:30 PM
 
What Makes East Antarctica Warmer and Colder Than Present in the Last Million Years?
Eric W Wolff, University of Cambridge, Cambridge, United Kingdom, Emilie Capron, NERC British Antarctic Survey, Cambridge, United Kingdom, Philip Holden, Open University, Milton Keynes, United Kingdom and Emma Stone, University of Bristol, Bristol, United Kingdom
5:45 PM
 
Millennial-scale Variability in Antarctic Ice-Sheet Discharge Throughout the Last Deglaciation From Scotia Sea Records of Iceberg-Rafted Debris
Peter U Clark, Oregon State University, Corvallis, OR, United States, Michael E Weber, University of Cologne, Cologne, Germany, Axel Timmermann, IPRC, University of Hawaii at Manoa, Honolulu, HI, United States, Gerrit Lohmann, Alfred Wegener Institute for P, Bremerhaven, Germany, Laurie Menviel, University of New South Wales, Climate Change Research Centre, Sydney, NSW, Australia and Rupert Gladstone, LGGE, Saint Martin D'Heres, France