C33D:
Assessing the Stability of the Antarctic Ice Sheets and Their Contribution toward Global Sea Level I

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Session ID#: 17639

Session Description:
The East Antarctic Ice Sheet is the largest volumetric component of Earth’s cryosphere and it plays an integral role in Earth’s climatic and oceanographic systems, as well as global sea levels.  Studies of its behavior in times of warmer temperatures, especially periods with higher CO2, provide critical context for numerical models used to predict future ice sheet response to changing climate. The aim of this session is to bring together researchers whose investigations range from onshore to offshore, observational to modeling, and paleo to modern studies of the East Antarctic Ice Sheet. This holistic view emphasizes a multidisciplinary-based approach to better understand controls of ice sheet dynamics from studies of both modern and past observations.  Studies from far-field sites that implicate the East Antarctic ice sheet are also welcomed.
Primary Convener:  Kathy Licht, Indiana University Indianapolis, Department of Earth and Environmental Sciences, Indianapolis, United States
Conveners:  Michael R Kaplan, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Sidney R Hemming, Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States and Steven J Phipps, University of Tasmania, Hobart, TAS, Australia
Chairs:  Kathy Licht, Indiana University Indianapolis, Department of Earth and Environmental Sciences, Indianapolis, United States and Sidney R Hemming, Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States
OSPA Liaison:  Kathy Licht, Indiana University Indianapolis, Department of Earth and Environmental Sciences, Indianapolis, United States
Index Terms:

0726 Ice sheets [CRYOSPHERE]
0758 Remote sensing [CRYOSPHERE]
0774 Dynamics [CRYOSPHERE]
0798 Modeling [CRYOSPHERE]

Abstracts Submitted to this Session:

Modeling Antarctic Ice Sheet retreat in warm climates: a historical perspective. (Invited) (126693)
David Pollard, Pennsylvania State University, Earth and Environmental Systems Institute, University Park, PA, United States, Rob DeConto, University of Massachusetts Amherst, Department of Earth, Geographic and Climate Sciences, Amherst, MA, United States and Edward Gasson, University of Sheffield, Department of Geography, Sheffield, United Kingdom
Repeated advance and retreat of the East Antarctic Ice Sheet on the continental shelf during the early Pliocene warm period (156716)
Benedict Reinardy, University of Bergen, Bergen, Norway and Carlota Escutia, Instituto Andalúz de Ciencias de la Tierra, Granada, Spain
Acceleration of Mass Losses and Mass Gains of the Antarctic Ice Sheet from 1992 to Present (165815)
H Jay Zwally, University of Maryland College Park, Earth System Science Interdisciplinary Center, College Park, MD, United States, Jun Li, NASA Goddard Space Flight Center, SGT, Inc., NASA Goddard Space Flight Center, Greenbelt, MD, USA, Greenbelt, MD, United States, John W Robbins, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Donghui Yi, Goddard Space Flight Center, NASA, Greenbelt, MD, United States
Is East Antarctica gaining more mass than West Antarctica is losing? (141020)
Alba Martin, University of Bristol, Bristol, United Kingdom and Jonathan L Bamber, University of Bristol, School of Geographical Sciences, Bristol, United Kingdom
Improved estimate of accelerated Antarctica ice mass loses from GRACE, Altimetry and surface mass balance from regional climate model output (195803)
Isabella Velicogna1, Tyler C Sutterley2, Geruo A1, Michiel R van den Broeke3 and Erik Roman Ivins4, (1)Department of Earth System Science, University of California, Irvine, United States, (2)University of California Irvine, Department of Earth System Science, Irvine, United States, (3)Utrecht University, Utrecht, Netherlands, (4)Jet Propulsion Laboratory, Pasadena, United States
Onset of Major Antarctic Ice-Sheet Retreat Driven by Extensive Surface Melt (173655)
Rob DeConto, University of Massachusetts Amherst, Department of Earth, Geographic and Climate Sciences, Amherst, MA, United States and David Pollard, Pennsylvania State University Main Campus, University Park, PA, United States
Ice-Ocean Dynamic Feedbacks for Rapid Deglaciation in Antarctic Calving Bays at Termination I (167593)
Yun Li, University of South Florida Tampa, Tampa, FL, United States, Eugene W Domack, University of South Florida St. Petersburg, College of Marine Science, St Petersburg, FL, United States, Robert H Weisberg, University of South Florida, St Petersburg, United States, Lianyuan Zheng, University of South Florida, College of Marine Science, St. Petersburg, FL, United States, Brad E Rosenheim, University of South Florida, College of Marine Science, Saint Petersburg, United States and Cristina Subt, University of South Florida, St Petersburg, FL, United States
Past and present stability of the Weddell Sea sector of the Antarctic Ice Sheet (Invited) (126022)
Pippa Whitehouse1, Andreas Vieli2, Stewart Jamieson1, Michael Bentley3, Andrew Hein4 and David Sugden5, (1)Durham University, Department of Geography, Durham, United Kingdom, (2)University of Zurich, Zurich, Switzerland, (3)Durham University, Durham, United Kingdom, (4)University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom, (5)University of Edinburgh, Edinburgh, United Kingdom

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