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: Martin Wearing, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Alison F Banwell, University of Colorado Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States and Reinhard Drews, University of Bremen, Bremen, Germany
OSPA Liaison: Martin Wearing, Lamont-Doherty Earth Observatory, Palisades, NY, United States
A synthesis of ice-ocean boundary observations from the underwater vehicle Icefin (747987)
Peter Washam1, Britney Schmidt1, Justin Lawrence1, Matthew Ryan Meister1, Anthony Spears1, Keith W Nicholls2, Peter E D Davis2, Craig Stevens3, Andrew David Mullen1, Daniel Dichek4, Enrica Quartini1, Ben Hurwitz1, Frances E Bryson1, Huw Joseph Horgan5, Christina L Hulbe6 and David Holland7, (1)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (2)British Antarctic Survey, Cambridge, United Kingdom, (3)National Institute of Water and Atmospheric Research, Wellington, New Zealand, (4)Georgia Institute of Technology, Atlanta, GA, United States, (5)Victoria University of Wellington, Antarctic Research Centre, Wellington, New Zealand, (6)University of Otago, School of Surveying (Dean), Dunedin, New Zealand, (7)New York University, New York, NY, United States
Differential SAR interferometry-based, Machine Learning-supported delineation of grounding zones around Antarctica. (747043)
Bernd Scheuchl1, Seongsu Jeong1, Yara Mohajerani2, Hanning Chen3, Jeremie Mouginot4 and Eric J Rignot2, (1)University of California Irvine, Irvine, CA, United States, (2)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (3)University of California Irvine, ESS, Irvine, CA, United States, (4)University of Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, Grenoble, France
Explaining seasonal flow variations of Ross Ice Shelf, Antarctica (745772)
Cyrille Mosbeux1, Laurence Padman2, Emilie Klein3, Peter D Bromirski4, Scott R Springer5 and Helen Amanda Fricker1, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Earth & Space Research, Corvallis, OR, United States, (3)Scripps Institution of Oceanography, La Jolla, United States, (4)Univ California San Diego, La Jolla, CA, United States, (5)Earth & Space Research, Seattle, WA, United States
History of a Large Basal Channel Near the Ross Ice Shelf Front: a Story of Bathymetry, Ocean Heat, and Ice Damage (770388)
David Felton Porter, Columbia University of New York, Palisades, NY, United States, Scott R Springer, Earth & Space Research, Seattle, WA, United States, Laurence Padman, Earth & Space Research, Corvallis, OR, United States, Kirsty J Tinto, Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Robin Elizabeth Bell, Lamont -Doherty Earth Observatory, Palisades, NY, United States and Helen Amanda Fricker, Scripps Institution of Oceanography, La Jolla, CA, United States
Intense surface melting and firn saturation on the West Antarctic Ice Sheet during the 2019-2020 austral melt season mapped from space using satellite C-band radar scatterometry (769945)
Julie Miller, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, Ted A Scambos, University of Colorado, Boulder, Boulder, CO, United States, David G Long, Brigham Young University, Provo, UT, United States, Christopher A. Shuman, University of Maryland, Baltimore County, Joint Center for Earth Systems Technology, Greenbelt, MD, United States, Alison F Banwell, University of Colorado Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, Andreas Colliander, Jet Propulsion Laboratory, Pasadena, CA, United States, Mohammad Mousavi, University of Michigan Ann Arbor, Electrical Engineering, Ann Arbor, MI, United States, Rajashree Datta, City College, City University of New York, New York, NY, United States and Mary J. Brodzik, Univ Colorado, Boulder, CO, United States
Observed Variability in the Ross Ice Shelf Ocean Cavity Circulation: A Two-Year-Long Hydrographic Timeseries (706195)
Craig L Stevens1,2, Christina L Hulbe3, Natalie Robinson2, Craig L Stewart4 and Mike Brewer4, (1)University of Auckland, Physics, Auckland, New Zealand, (2)NIWA National Institute of Water and Atmospheric Research, Wellington, New Zealand, (3)University of Otago, School of Surveying (Dean), Dunedin, New Zealand, (4)National Institute of Water and Atmospheric Research, Wellington, New Zealand
Sensitivity of modeled ice-shelf basal melt rates to ocean horizontal mixing in the Energy Exascale Earth System (E3SM) Model (756152)
Matthew J Hoffman1, Darin Scott Comeau1, Xylar Asay-Davis2, Carolyn Branecky Begeman3, Stephen F Price1, Mark R Petersen1, Jon Wolfe1, Milena Veneziani1, Mathew E Maltrud1, Wuyin Lin4 and Luke Van Roekel1, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Potsdam Institute for Climate Impact Research, Earth System Analysis, Potsdam, Germany, (3)University of California Santa Cruz, Earth and Planetary Sciences Department, Santa Cruz, CA, United States, (4)Brookhaven National Laboratory, Upton, NY, United States
Terrestrial origin for accreted basal ice in Ross Ice Shelf flow bands (767786)
Christina L Hulbe1, Martin Forbes2, Kelly Gragg2, Greg H Leonard2 and Craig Stevens3, (1)University of Otago, School of Surveying (Dean), Dunedin, New Zealand, (2)University of Otago, School of Surveying, Dunedin, New Zealand, (3)National Institute of Water and Atmospheric Research, Wellington, New Zealand
Vertical Mixing Approaches to the Ice Shelf-Ocean Boundary Layer (686963)
Alena Malyarenko1,2, Stefan Jendersie3, David Gwyther4, Craig Stevens5, Michael Williams1, Natalie Robinson6 and Pat Langhorne7, (1)NIWA, Wellington, New Zealand, (2)National Modelling Hub, Antarctic Research Center, VUW, Wellington, New Zealand, (3)Antarctic Research Center, VUW, Wellington, New Zealand, (4)Independent Researcher, Brisbane, TAS, Australia, (5)National Institute of Water and Atmospheric Research, Wellington, New Zealand, (6)NIWA National Institute of Water and Atmospheric Research, Wellington, New Zealand, (7)University of Otago, Dunedin, New Zealand
Archival Radar Echo Sounding Observations of Multi-Decadal Subsurface Changes Along the East Antarctic Coast (676830)
Angelo Tarzona, Dickinson College, Department of Earth Sciences, Carlisle, PA, United States, Emma Mackie, Stanford University, Department of Geophysics, Stanford, CA, United States and Dustin M Schroeder, Stanford University, Department of Geophysics, Department of Electrical Engineering, Stanford, CA, United States
Ice Sheet Model Mesh-resolution Dependence of Damage Advection and Calving (685711)
Tong Zhang1, Stephen F Price1, Matthew J Hoffman1, Jeremy N Bassis2 and Mauro Perego3, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)University of Michigan, Ann Arbor, MI, United States, (3)Sandia National Laboratories, Albuquerque, NM, United States
Simulation of flexural-gravity wave response of Antarctic ice shelves to tsunami and ocean wave impacts (711701)
Nurbek Tazhimbetov, Stanford University, Institute for Computational and Mathematical Engineering, Stanford, CA, United States, Martin Almquist, Stanford University, Geophysics, Stanford, CA, United States, Yong Wei, NOAA/Pacific Marine Environmental Lab & University of Washington, Seattle, WA, United States, Eric M Dunham, Stanford University, Department of Geophysics, Stanford, CA, United States, Peter D Bromirski, Univ California San Diego, La Jolla, CA, United States and Diego Arcas, NOAA, NOAA Center for Tsunami Research, Seattle, WA, United States
The triggers of the disintegration of Voyeykov Ice Shelf (2007), Wilkes Land, East Antarctica, and its subsequent evolution (671624)
Jennifer Arthur1, Chris Stokes2, Stewart Jamieson2, Bertie Miles2, Rachel J Carr3 and Amber Leeson4, (1)University of Durham, Durham, United Kingdom, (2)Durham University, Department of Geography, Durham, United Kingdom, (3)Newcastle University, Tyne and Wear, United Kingdom, (4)University of Lancaster, Lancaster Environment Centre / Data Science institute, Lancaster, United Kingdom
