C019
Understanding Ice Shelf Processes I

Wednesday, 9 December 2020: 04:00-05:00
Virtual
Primary Convener:  Martin Wearing, University of Edinburgh, Edinburgh, EH9, United Kingdom
Conveners:  Sammie Claire Buzzard, Georgia Institute of Technology Main Campus, Atlanta, United States, Reinhard Drews, University of Bremen, Bremen, Germany and Alison F Banwell, University of Colorado Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States
Primary Liaison:  Martin Wearing, Lamont-Doherty Earth Observatory, Palisades, NY, United States
Chairs:  Sammie Claire Buzzard, Georgia Institute of Technology Main Campus, Atlanta, United States and Martin Wearing, Lamont-Doherty Earth Observatory, Palisades, NY, United States
OSPA Liaison:  Sammie Claire Buzzard, Georgia Institute of Technology Main Campus, Atlanta, United States
04:00
C019-01
Radar observations of physical processes at the base of the Filchner-Ronne Ice Shelf (Invited) (674179)
Irena Vankova, NERC British Antarctic Survey, Cambridge, United Kingdom and Keith W Nicholls, British Antarctic Survey, Cambridge, United Kingdom
04:04
C019-02
A Low-Order Model of Ice-Shelf Evolution Combining Flow and Flexure (670809)
Douglas R MacAyeal1, Alison F Banwell2, Olga V Sergienko3, Grant John Macdonald1,4, Ian Willis5 and Laura Stevens6, (1)University of Chicago, Department of Geophysical Sciences, Chicago, IL, United States, (2)University of Colorado Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (3)Princeton University, Princeton, NJ, United States, (4)Houston, TX, United States, (5)University of Cambridge, Scott Polar Research Institute, Cambridge, United Kingdom, (6)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom
04:08
C019-03
Modelling of the Larsen C ice shelf and its tributary glaciers show that significant changes in ice shelf thickness and extent have limited impact on grounded ice flow (734285)
Tom Mitcham, University of Bristol, School of Geographical Sciences, Bristol, BS8, United Kingdom, Gudmundur Hilmar Gudmundsson, Northumbria University, Geography and Environmental Sciences, Newcastle-Upon-Tyne, United Kingdom and Jonathan L Bamber, University of Bristol, School of Geographical Sciences, Bristol, United Kingdom
04:12
C019-04
Riftquakes: Recording and Modeling Seismic Signals of Rifting at Pine Island Glacier (743604)
Seth Olinger1, Marine Denolle1, Bradley Paul Lipovsky2 and Brendan Crowell3, (1)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (2)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States, (3)University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States
04:16
C019-05
Supervised Classification of Slush and Open Water on Antarctic Ice Shelves using Landsat 8 Imagery (746473)
Rebecca L Dell1, Ian Willis1, Alison F Banwell2, Neil S Arnold1, Anna Ruth W Halberstadt3 and Hamish D Pritchard4, (1)University of Cambridge, Scott Polar Research Institute, Cambridge, United Kingdom, (2)University of Colorado Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (3)University of Massachusetts Amherst, Geosciences Department, Amherst, MA, United States, (4)NERC British Antarctic Survey, Cambridge, United Kingdom
04:20
C019-06
Ice Shelf Roughness: Its Fractal Nature and Relationship to Basal Melt (681591)
Ray Watkins, Jeremy N Bassis and M. D. Thouless, University of Michigan Ann Arbor, Ann Arbor, MI, United States
04:24
C019-07
ROV Icefin at Ross Ice Shelf Grounding Zone: 5 km of ice, ocean, seafloor, and crevasse exploration (748406)
Justin Lawrence1, Britney Schmidt2, Peter Washam2, Christina L Hulbe3, Huw Joseph Horgan4, Craig Stevens5, Gavin B Dunbar4, Matthew Ryan Meister2, Ben Hurwitz2, Enrica Quartini2, Daniel Dichek6, Anthony Spears2, Andrew David Mullen2 and Frances E Bryson2, (1)Georgia Institute of Technology Main Campus, Atlanta, GA, United States, (2)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (3)University of Otago, School of Surveying (Dean), Dunedin, New Zealand, (4)Victoria University of Wellington, Antarctic Research Centre, Wellington, New Zealand, (5)National Institute of Water and Atmospheric Research, Wellington, New Zealand, (6)Georgia Institute of Technology, Atlanta, GA, United States
04:28
C019-08
Inferring ice rheology in Antarctic ice shelves using remotely-sensed surface velocity and ice thickness observations (Invited) (666462)
Joanna D D Millstein, Woods Hole Oceanographic Institution, Woods Hole, MA, United States; Massachusetts Institute of Technology, Cambridge, MA, United States and Brent Minchew, Massachusetts Institute of Technology, Department of Earth, Atmospheric and Planetary Sciences, Cambridge, United States
04:32
Discussion
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