C11A:
Advances in Ice Sheet–Ocean Interactions: From Measurements to Climate Impacts I


Submit an Abstract to this Session


Session ID#: 60470

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. Particularly welcomed are submissions 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.
Primary Convener:  Thomas W. K. Armitage, Jet Propulsion Laboratory, Pasadena, CA, United States
Conveners:  Anna Hogg, University of Leeds, Leeds, United Kingdom, Paul Holland, British Antarctic Survey, Cambridge, United Kingdom and Fiammetta Straneo, UC San Diego, Scripps Institution of Oceanography, La Jolla, United States
Primary Liaison:  Thomas W. K. Armitage, Jet Propulsion Laboratory, Pasadena, CA, United States
Chairs:  Thomas W. K. Armitage, University College London, London, United Kingdom and Anna Hogg, University of Leeds, Leeds, United Kingdom
OSPA Liaison:  Anna Hogg, University of Leeds, Leeds, United Kingdom
Co-Organized with:
Cryosphere, and Ocean Sciences

Cross-Listed:
  • GC - Global Environmental Change
  • OS - Ocean Sciences

Proposed Co-Organized Session with:
  • OS - Ocean Sciences
Index Terms:

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

Abstracts Submitted to this Session:

Heightened Summer Melting of Petermann Gletscher’s ice shelf, Greenland (350061)
Peter Washam, Cornell University, Astronomy, Ithaca, NY, United States, Andreas Muenchow, Univ Delaware, Newark, DE, United States, Keith W Nicholls, British Antarctic Survey, Cambridge, United Kingdom and Laurence Padman, Earth & Space Research, Corvallis, United States
Observations of tidally-varying ocean bottom pressure near the grounding zone of the Ross Ice Shelf (449231)
Carolyn Branecky Begeman, Los Alamos National Laboratory, Los Alamos, United States; University of California Santa Cruz, Earth and Planetary Sciences Department, Santa Cruz, United States, Hannah Dailey, University of California Santa Cruz, Santa Cruz, CA, United States, Matt A King, University of Tasmania, Surveying and Spatial Sciences, School of Technology, Environments and Design, Hobart, TAS, Australia and Slawek M Tulaczyk, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, United States
Ice Shelf Vulnerability to Increased Seasonal Upper Ocean Warming (446984)
Laurence Padman1, Robin Elizabeth Bell2, Indrani Das3, Cyrille Mosbeux4, David Felton Porter2, Christine S Siddoway5, Matthew Siegfried6, Scott R Springer7, Kirsty J Tinto2 and The ROSETTA-Ice team, (1)Earth and Space Research, Seattle, WA, United States, (2)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (3)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (4)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (5)Colorado College, Geology, Colorado Springs, CO, United States, (6)Colorado School of Mines, Department of Geophysics, Golden, United States, (7)Earth & Space Research, Seattle, WA, United States
High-resolution Surface and Upper Fjord Circulation of Greenland Fjords from Optical Remote Sensing (352127)
Bas Altena and Andreas Kääb, University of Oslo, Department of Geosciences, Oslo, Norway
The canary in Wilkes Land: Observations of unexpected marine-terminating glacier change in East Antarctica in response to the changing ocean (454799)
Catherine C Walker1,2, Alex S Gardner3, Fernando Paolo1 and Johan Nilsson4, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)Woods Hole Oceanographic Institution, Applied Ocean Physics and Engineering, Woods Hole, MA, United States, (3)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (4)Technical University of Denmark - Space, Kongens Lyngby, Denmark
Interannual to Sub-Daily Fluctuations in Thwaites Glacier Speed Associated with Ocean Forcing and Calving (463965)
Andrew Osten Hoffman1, Knut A Christianson2, Huw Joseph Horgan3, Sridhar Anandakrishnan4, Richard B Alley4 and Kristine M Larson5, (1)Lamont-Doherty Earth Observatory Columbia, New York, United States, (2)University of Washington, Earth and Space Sciences, Seattle, United States, (3)Victoria University of Wellington, Antarctic Research Centre, Wellington, New Zealand, (4)Pennsylvania State University, Department of Geosciences and Earth and Environmental Systems Institute, University Park, United States, (5)University of Hawaii, Manoa, HI, United States
Role of melt forcing in diurnal velocity fluctuations of Helheim Glacier, East Greenland (432455)
Laura A Stevens, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States, Meredith Nettles, Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States, James L Davis, Lamont-Doherty Earth Obervator, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Timothy T Creyts, Columbia University-LDEO, Palisades, NY, United States and Jonathan Kingslake, Lamont-Doherty Earth Observatory, Palisades, NY, United States

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