C002
Advances in ice sheet-ocean Interactions: From measurement to climate impacts

Session ID#: 74216

Session Description:
The mechanisms driving oceanic melt and regulating freshwater discharge at the margins of the Greenland and Antarctic ice sheets have emerged as critical research areas for understanding and projecting the ice sheets’ contribution to sea level rise and their impact on ocean circulation. However, the complex processes involved, wide range of time/spatial scales, and harsh climate make these uniquely difficult systems to observe and model. We welcome submissions across glaciological and oceanographic disciplines exploiting observational, modelling, or theoretical methods to study ice sheet-ocean interactions, including those exploiting advances in our satellite remote sensing capabilities (e.g., Sentinel’s, Landsat-8, CryoSat-2 & ICESat). Example topics include: ocean circulation/tranformation at ice sheet margins; ice velocity/elevation changes in response to oceanic forcing; ice melt beneath ice shelves and at tidewater glacier margins; bathymetry and glacier observations; climate sensitivity of physical processes controlling ice-ocean interactions; development of coupled ice-ocean numerical models and melt parameterizations.
Index Terms:

0720 Glaciers [CRYOSPHERE]
0726 Ice sheets [CRYOSPHERE]
0728 Ice shelves [CRYOSPHERE]
4207 Arctic and Antarctic oceanography [OCEANOGRAPHY: GENERAL]

Primary Convener:  Thomas W. K. Armitage, Jet Propulsion Laboratory, Pasadena, CA, United States
Conveners:  Anna Hogg, University of Leeds, Leeds, United Kingdom, Fiammetta Straneo, Scripps Institution of Oceanography, La Jolla, CA, United States and Pierre Dutrieux, Lamont -Doherty Earth Observatory, Ocean and Climate Physics, Palisades, United States
Primary Liaison:  Thomas W. K. Armitage, University College London, London, United Kingdom
 
New insights into Ross Ice Shelf stability over broad timescales from high-resolution ROSETTA-Ice survey (Invited) (487119)
Kirsty J Tinto1, Robin Elizabeth Bell2, Laurence Padman3, Scott R Springer4, Christine S Siddoway5, Helen Amanda Fricker6, David Felton Porter7, Indrani Das2, Cyrille Mosbeux8, Fabio Caratori Tontini9, Jenny Black9 and ROSETTA-Ice Team, (1)Columbia University, Palisades, NY, United States, (2)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (3)Earth & Space Research, Corvallis, OR, United States, (4)Earth & Space Research, Seattle, WA, United States, (5)Colorado College, Colorado Springs, CO, United States, (6)Scripps Institution of Oceanography, La Jolla, CA, United States, (7)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (8)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (9)GNS Science, Lower Hutt, New Zealand
 
Ice-shelf ocean boundary layer dynamics from large-eddy simulations (488164)
Carolyn Branecky Begeman1, Xylar Asay-Davis2 and Luke Van Roekel2, (1)Los Alamos National Laboratory, Fluid Dynamics and Solid Mechanics, Los Alamos, NM, United States, (2)Los Alamos National Laboratory, Los Alamos, NM, United States
 
Sensitivity of submarine melting of 79oN glacier to ocean forcing (488446)
Lars Henrik Smedsrud, University of Bergen, Bergen, Norway, Marius Årthun, Geophysical Institute, University of Bergen and Bjerknes Centre for Climate Research, Bergen, Norway, Philipp Anhaus Mr., Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Sea Ice Physics, Bremerhaven, Germany and Fiammetta Straneo, Scripps Institution of Oceanography, La Jolla, CA, United States
 
Seasonal variations in meltwater from Pine Island Ice Shelf (495142)
Karen J. Heywood1, Yixi Zheng2, Lars Boehme3, Michael A Fedak4, Benjamin Webber1, David P Stevens2, Louise C Biddle5 and Anna Wahlin5, (1)University of East Anglia, Norwich, NR4, United Kingdom, (2)University of East Anglia, Norwich, United Kingdom, (3)Scottish Oceans Institute, Sea Mammal Research Unit, St. Andrews, United Kingdom, (4)University of St Andrews, St Andrews, United Kingdom, (5)University of Gothenburg, Gothenburg, Sweden
 
Controls of Atlantic Water supply toward the 79N Glacier in Northeast Greenland (496219)
Torsten Kanzow1, Janin Schaffer2, Andreas Muenchow3, Wilken-Jon von Appen4 and Luisa von Albedyll1, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, (3)Univ Delaware, Newark, DE, United States, (4)Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany
 
Quantifying Ice Flow Velocity Variations over Jakobshavn Isbrae at Multiple Temporal Scales Using Remote Sensing Observations (496776)
Bryan V Riel, Massachusetts Institute of Technology, Department of Earth, Atmosphere and Planetary Sciences, Cambridge, MA, United States, Brent M Minchew, Massachusetts Institute of Technology, Department of Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States and Ian R Joughin, Applied Physics Laboratory University of Washington, Seattle, WA, United States
 
Direct observations of submarine melt and subsurface geometry at a tidewater glacier (Invited) (497518)
David Sutherland1, Rebecca H Jackson2, Christian Kienholz3, Emily Eidam4, Jason M Amundson3, Dan Duncan5, Roman J Motyka6 and Jonathan D Nash7, (1)University of Oregon, Department of Earth Sciences, Eugene, OR, United States, (2)Rutgers, Department of Marine and Coastal Sciences, New Brunswick, NJ, United States, (3)University of Alaska Southeast, Juneau, AK, United States, (4)University of North Carolina at Chapel Hill, Department of Marine Sciences, Chapel Hill, NC, United States, (5)University of Texas, Institute for Geophysics, Austin, TX, United States, (6)Univ Alaska-Geophysical Inst, Juneau, AK, United States, (7)Oregon State Univ, Corvallis, OR, United States
 
Mixing and Transformation of Water Masses Adjacent to Larsen C Ice Shelf, Antarctica (501550)
Katherine Hutchinson1,2, Julie Deshayes3, Jean-baptiste Sallee4, Julian A. Dowdeswell5, Isabelle Jane Ansorge6, Hermann Luyt7, Casimir de Lavergne8, Tahlia Henry9,10 and Fawcett Sarah10, (1)University of Cape Town, Cape Town, South Africa, (2)Universite Pierre et Marie Curie, LOCEAN, Paris Cedex 05, France, (3)Universite Pierre et Marie Curie, LOCEAN, Paris, France, (4)Sorbonne Université - CNRS/IRD/MNHN, LOCEAN, Paris, France, (5)Scott Polar Research Institute, University of Cambridge, Cambridge, United Kingdom, (6)university of Cape Town, Department of Oceanography, Cape Town, South Africa, (7)University of Cape Town, Department of Oceanography, Cape Town, South Africa, (8)LOCEAN Laboratory, Sorbonne Université-CNRS-IRD-MNHN, Paris, France, (9)Nelson Mandela Metropolitan University, Port Elizabeth, South Africa, (10)University of Cape Town, Oceanography, Cape Town, South Africa
 
Antarctic Shelf Break Processes and Circumpolar Deep Water Intrusion (505561)
Aditya Narayanan1, Sarah T Gille2, Matthew R Mazloff3 and Murali K1, (1)Indian Institute of Technology Madras, Ocean Engineering, Chennai, India, (2)UCSD, La Jolla, CA, United States, (3)SIO, La Jolla, CA, United States
 
Can we observe depth-variable iceberg melt rates? (506753)
Kristin M Schild1, David Sutherland1, Fiammetta Straneo2, Dan Duncan3, Michael Kazhdan4 and Peter J Gadomski5, (1)University of Oregon, Eugene, OR, United States, (2)Scripps Institution of Oceanography, La Jolla, CA, United States, (3)University of Texas, Institute for Geophysics, Austin, TX, United States, (4)Johns Hopkins University, Balitmore, United States, (5)Organization Not Listed, Boulder, United States
 
Impacts of ice-shelf melting on water mass transformation in the Southern Ocean from E3SM simulations (513414)
Hyein Jeong1, Xylar Asay-Davis1, Adrian K Turner1, Darin Scott Comeau1, Stephen F Price1, Ryan Abernathey2, Carmela Veneziani1, Mark R Petersen1, Matthew J Hoffman1, Matthew R Mazloff3 and Todd Ringler1, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (3)Scripps Institution of Oceanography, UC San Diego, La Jolla, CA, United States
 
Next Generation Estimates of Antarctic Ice Shelf Melt Rates (519849)
Fernando Paolo1, Johan Nilsson2 and Alex S Gardner1, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)NASA Jet Propulsion Laboratory, Pasadena, United States
 
Tidally influenced, short term grounding line variations measured with Sentinel-1, RADARSAT-2, and Cosmo Skymed (522350)
Bernd Scheuchl1, Eric J Rignot2, Virginia Brancato3, Jeremie Mouginot2, Seongsu Jeong1, Pietro Milillo3 and Laurane Charrier4, (1)University of California Irvine, Irvine, CA, United States, (2)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (4)University of California, Irvine, Irvine, United States
 
Seasonal Variability of Basal Melt under the Nansen Ice Shelf, Antarctica (531283)
Choon-Ki Lee1, Won Sang Lee1, S-T Yoon1, Tae-kyun Kim1, Yongcheol Park1, Sukyoung Yun1, Keith W Nicholls2, Duncan A Young3, Lucas Beam3 and Donald D Blankenship3, (1)Korea Polar Research Institute, Incheon, South Korea, (2)British Antarctic Survey, Cambridge, United Kingdom, (3)University of Texas, Institute for Geophysics, Austin, TX, United States
 
Antarctic Ice Sheet response to topography-guided warm water intrusions into ice-shelf cavities (532821)
Ronja Reese1, Lena Nicola1,2, Eric Heidrich1,2, Hartmut H Hellmer3, Ralph Timmermann3 and Ricarda Winkelmann1, (1)Potsdam Institute for Climate Impact Research, Potsdam, Germany, (2)University of Potsdam, Potsdam, Germany, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
 
Modeling strong basal melting at the Shirase Glacier Tongue, East Antarctica (534731)
Kazuya Kusahara, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Daisuke Hirano, Hokkaido University, Institute of Low Temperature Science, Sapporo, Japan, Masakazu Fujii, NIPR National Institute of Polar Research, Tokyo, Japan, Alexander D. Fraser, University of Tasmania, Institute of Marine and Antarctic Studies, Hobart, Australia and Takeshi Tamura, NIPR National Institute of Polar Research, Tachikawa, Tokyo, Japan
 
Seasonal and interannual characteristics of supra-glacial lake formation on Nioghalvfjerdsbrae (79 glacier) in northeast Greenland (535055)
Philipp Hochreuther1, Nathalie Reimann1, Niklas Neckel2, Jenny Turton3 and Matthias H. Braun1, (1)University of Erlangen-Nuremberg, Erlangen, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (3)Friedrich-Alexander University, Erlangen, Erlangen-Nürnberg, Germany
 
Historic geodetic mass balance in the Nuuk Fjord Area, West Greenland (536493)
Kristian K Kjeldsen, Geological Survey of Denmark and Greenland, København K, Denmark, Anders Anker Bjørk, University of Copenhagen, Centre for GeoGenetics, Copenhagen, Denmark and William T Colgan, Geological Survey of Denmark and Greenland, Copenhagen, Denmark
 
Potential for tipping point in melting beneath Filcher-Ronne Ice Shelf triggered by melt from neighboring ice shelves (547130)
Matthew J Hoffman1, Carolyn Branecky Begeman2, Darin Scott Comeau1, Xylar Asay-Davis3 and Stephen F Price1, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)University of California Santa Cruz, Earth and Planetary Sciences Department, Santa Cruz, CA, United States, (3)Potsdam Institute for Climate Impact Research, Earth System Analysis, Potsdam, Germany
 
Heterogeneous basal melt rates under George VI ice shelf, Antarctic Peninsula (551761)
Noel Gourmelen, University of Edinburgh, School of Geosciences, Edinburgh, EH9, United Kingdom, Christine F Dow, University of Waterloo, Waterloo, ON, Canada, Daniel Goldberg, University of Edinburgh, School of GeoSciences, Edinburgh, United Kingdom and Mathieu Morlighem, University of California - Irvine, Irvine, CA, United States
 
Enhancement of Ice Melting Rates via Homogeneous Isotropic Turbulence (554112)
Aubrey McCutchan and Blair A Johnson, University of Texas at Austin, Austin, TX, United States
 
What can iceberg size distributions tell us about calving? (563698)
Ellyn M Enderlin, Boise State University, Boise, ID, United States and Timothy C Bartholomaus, University of Idaho, Moscow, ID, United States
 
Iceberg, right ahead!: The surprising and ongoing collapse of an East Antarctic ice shelf in response to changes in the ocean environment (565163)
Catherine C Walker, Woods Hole Oceanographic Institution, Applied Ocean Physics and Engineering, Woods Hole, MA, United States; NASA Goddard Space Flight Center, University of Maryland ESSIC, Greenbelt, MD, United States, Alex S Gardner, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Tom Neumann, NASA Goddard Space Flight Ctr., Greenbelt, MD, United States, Helen Amanda Fricker, Scripps Institution of Oceanography, La Jolla, CA, United States, Jeremy N Bassis, University of Michigan, Ann Arbor, MI, United States and Fernando S Paolo, Scripps Inst. of Oceanography, La Jolla, CA, United States
 
Impact of Ross Ice Shelf basal melting on mass loss from West and East Antarctic ice sheets (568652)
Cyrille Mosbeux1, Scott R Springer2, Laurence Padman3 and Helen Amanda Fricker1, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Earth & Space Research, Seattle, WA, United States, (3)Earth & Space Research, Corvallis, OR, United States
 
Concentration of halogen species in surface snow along the route to Dome Fuji, Antarctica (583579)
Motohiro Hirabayashi1, Kumiko Goto Azuma2 and Hideaki Motoyama1, (1)NIPR National Institute of Polar Research, Tokyo, Japan, (2)National Institute of Polar Research, Tokyo, Japan
 
Global sea level contribution of the Aurora basin, East Antarctica, under CMIP5 scenarios (586803)
Konstanze Haubner, Sainan Sun, Lars Zipf and Frank Pattyn, Université Libre de Bruxelles, Brussel, Belgium
 
Modeling Ice-Ocean Interactions with Non-hydrostatic Unified Model of the Ocean (NUMO). (592852)
Michal Kopera1, Wieslaw Maslowski2 and Francis Giraldo2, (1)Boise State University, Boise, ID, United States, (2)Naval Postgraduate School, Monterey, CA, United States
 
What lies beneath: using sea surface temperatures to reconstruct sub-surface continental shelf ocean variability near Helheim Glacier, Greenland (597006)
Tasha Snow1,2, Fiammetta Straneo3, Waleed Abdalati4, Ted A Scambos2, James Holte3 and Carolyn Roberts5, (1)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (2)University of Colorado Boulder, Boulder, CO, United States, (3)Scripps Institution of Oceanography, La Jolla, CA, United States, (4)University of Colorado, Department of Geography, Boulder, CO, United States, (5)SUNY Buffalo, Amherst, NY, United States
 
Time-dependent freshwater fluxes from deep and shallow meltwater sources under Antarctica's large ice shelves (598276)
Susheel Adusumilli1, Helen Amanda Fricker1, Brooke Medley2, Laurence Padman3 and Matthew R Siegfried4, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)Earth & Space Research, Corvallis, OR, United States, (4)Colorado School of Mines, Department of Geophysics, Golden, CO, United States
 
d18O time series evidence of ocean-driven basal melt in Pine Island Bay, Antarctica (603115)
Andrew Nicholas Hennig, Stanford University, Stanford, CA, United States and Robert B Dunbar, Stanford University, School of Earth Sciences, Stanford, CA, United States
 
Coupling ice-shelf basal melt rates in the Energy Exascale Earth System (E3SM) Model (604649)
Darin Comeau1, Xylar Asay-Davis1, Matthew J Hoffman1, Mark R Petersen1, Stephen F Price1, Kristin Hoch2 and Jonathan D Wolfe1, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Los Alamos National Laboratory, Los Alamos, United States
 
Increased Mélange Rigidity Associated with Cooler Ocean Temperatures in Disko Bay Appears to Drive Slowdown of Jakobshavn Isbrae (609574)
Ian R Joughin1, David E Shean2 and Benjamin Eaton Smith2, (1)Applied Physics Laboratory University of Washington, Seattle, WA, United States, (2)University of Washington, Seattle, WA, United States
 
The Relative Importance of Winds and Ocean Currents in Determining the Drift of Icebergs and Other Floating Objects (614685)
Till J.W. Wagner, University of North Carolina at Wilmington, Wilmington, NC, United States, Amanda M Ceroli, University of North Carolina Wilmington, Wilmington, United States and Ian Eisenman, University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States
 
Glacial Meltwater Identification Within the Bellingshausen Sea (616419)
Natalie Swaim, Jacksonville, FL, United States, Lena M. Schulze Chretien, Jacksonville University, Marine Science Research Institute, Jacksonville, FL, United States, Andrew F Thompson, California Institute of Technology, Pasadena, CA, United States and Jeremy Stalker, Jacksonville University, Marine Science Research Institute, Jacksonville, United States
 
Results of a Svalbard-wide freshwater glacier discharge and plume model (616583)
Jack Kohler1, Alistair Everett2, Tomas Torsvik1, Ward van Pelt3, Geir Moholdt1 and Arild Sundfjord4, (1)Norwegian Polar Institute, Tromsø, Norway, (2)Norwegian Meteorological Institute, Tromsø, Norway, (3)Uppsala University, Earth Sciences, Uppsala, Sweden, (4)Norweigan Polar Institute, Tromso, Norway
 
Dependence of Pine Island Glacier Ice Shelf Basal Melt Rates on Subgrid-Scale Parameterizations of Mixing (619068)
Scott R Springer, Earth & Space Research, Seattle, WA, United States, Stefanie L Mack, University of Washington, Applied Physics Laboratory, Seattle, WA, United States, Pierre Dutrieux, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Laurence Padman, Earth & Space Research, Corvallis, OR, United States, Ian R Joughin, Applied Physics Laboratory University of Washington, Seattle, WA, United States and David E Shean, University of Washington, Seattle, WA, United States
 
Seasonal variation of flow through a basal channel within the Milne Ice Shelf, Canada (620199)
Andrew MacWhorter Friedrichs1, Alexander Forrest2, Holly J Oldroyd2, Derek Mueller3 and Jérémie Bonneau4, (1)University of California Davis, Civil and Environmental Engineering, Davis, CA, United States, (2)University of California - Davis, Civil and Environmental Engineering, Davis, CA, United States, (3)Carleton University, Geography and Environmental Studies, Ottawa, ON, Canada, (4)University of British Columbia, Environmental Fluid Mechanics, Vancouver, BC, Canada
 
On the role of ice-ocean interaction on tidewater glacier and ice shelf evolutions. (621108)
Eric J Rignot1, Jeremie Mouginot2, Bernd Scheuchl3, Pietro Milillo4, Seongsu Jeong3, Michael Wood3 and Virginia Brancato5, (1)University of California Irvine, Earth System Science, Irvine, CA, United States, (2)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (3)University of California Irvine, Irvine, CA, United States, (4)California Institute of Technology, Pasadena, CA, United States, (5)NASA Jet Propulsion Laboratory, Pasadena, CA, United States
 
Sustained, Autonomous Observations Beneath Dotson Ice Shelf (632371)
Luc Rainville1, Craig Lee2, Jason I Gobat1, James B Girton2, Pierre Dutrieux3, Knut A Christianson4, Tae-Wan Kim5 and SangHoon Lee5, (1)University of Washington, Seattle, WA, United States, (2)Univ Washington, Seattle, WA, United States, (3)British Antarctic Survey, Cambridge, United Kingdom, (4)University of Washington, Earth and Space Sciences, Seattle, WA, United States, (5)KOPRI Korea Polar Research Institute, Incheon, Korea, Republic of (South)
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