C33A:
Modeling of the Cryosphere: Glaciers and Ice Sheets I Posters

Wednesday, 17 December 2014: 1:40 PM-6:00 PM
Chairs:  Mauro A Werder, University of Bristol, Bristol, BS8, United Kingdom and Sophie Nowicki, NASA GSFC, Greenbelt, MD, United States
Primary Conveners:  Mauro A Werder, University of Bristol, Bristol, BS8, United Kingdom
Co-conveners:  Sophie Nowicki, NASA GSFC, Greenbelt, MD, United States, Ian Hewitt, University of Oxford, Oxford, United Kingdom and Christian Schoof, Univ British Columbia, Vancouver, BC, Canada
OSPA Liaisons:  Christian Schoof, University of British Columbia, Vancouver, BC, Canada

Abstracts Submitted to this Session:

 
Investigating Basal Friction Under the Antarctic Ice Sheet Using a New Generation Subglacial Hydrology Model.
Basile de Fleurian1, Mathieu Morlighem1, Helene Seroussi2, Jeremie Mouginot1, Eric J Rignot1 and Eric Y Larour2, (1)University of California Irvine, Irvine, CA, United States, (2)Jet Propulsion Laboratory, Pasadena, CA, United States
 
Retroactions Between Basal Hydrology and Basal Sliding from Numerical Experiments
Olivier Gagliardini1, Olivier Passalacqua1 and Mauro A Werder2, (1)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (2)University of Bristol, Bristol, BS8, United Kingdom
 
The Hydrology of Subglacial Overdeepenings
Mauro A Werder, University of Zurich, Geographical Sciences, Zurich, Switzerland
 
Analysis of Sub-Antarctic Lakes Using a Coupled Hydrology and Ice Flexure Modeling Approach
Christine F Dow1, Sophie Nowicki1, Ryan T Walker2, Mauro A Werder3, Gregory S Babonis4 and Beata M Csatho4, (1)NASA GSFC, Greenbelt, MD, United States, (2)University of Maryland, Greenbelt, MD, United States, (3)University of Zurich, Geographical Sciences, Zurich, Switzerland, (4)University at Buffalo, Buffalo, NY, United States
 
Numerical Modeling of Particle-Fluid Mixtures in a Subglacial Setting: Granular Deformation and Hydrological Flow Response
Anders Damsgaard1, David L Egholm1, Jan A Piotrowski1, Slawek M Tulaczyk2 and Nicolaj K Larsen1, (1)Aarhus University, Aarhus, Denmark, (2)Univ California Santa Cruz, Santa Cruz, CA, United States
 
A Model for Subglacial Flooding Along a Pre-Existing Hydrological Network during the Rapid Drainage of Supraglacial Lakes
Surendra Adhikari1,2 and Victor C Tsai2, (1)NASA-JPL/Caltech, Pasadena, CA, United States, (2)Caltech-Seismological Lab, Pasadena, CA, United States
 
Magnetic Fabrics and their Application to Basal Crevasse Fills, Flàajökull, Iceland
William Russell Jacobson Jr, University of Wisconsin Milwaukee, Milwaukee, WI, United States and Thomas Hooyer, Geosciences Department, Milwaukee, WI, United States
 
Röthlisberger Channel Model with Anti-­Plane Shear Loading Superposed on In-Plane Compression
Matheus C Fernandes1, Colin R Meyer1 and James R Rice1,2, (1)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (2)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States
 
Meltwater migration in temperate ice
Christian Schoof, University of British Columbia, Vancouver, BC, Canada and Ian Hewitt, University of Oxford, Oxford, United Kingdom
 
Stabilizing Mechanism of Siple Coast Ice Streams Margins from a Thermomechanically Derived Triple-Valued Lateral Shear Stress Law
Thibaut Perol, Harvard University, Cambridge, MA, United States and James R Rice, Harvard Univ, Cambridge, MA, United States
 
Inferring basal stress under Greenland’s big three outlet glaciers
Daniel Shapero, University of Washington Seattle Campus, Seattle, WA, United States, Ian R Joughin, Univ Washington, Seattle, WA, United States, Kristin Poinar, University of Washington, Seattle, WA, United States and Mathieu Morlighem, University of California Irvine, Irvine, CA, United States
 
Insights into ice stream dynamics through modelling their response to tidal forcing
Sebastian Harry Reid Rosier1, Gudmundur Hilmar Gudmundsson1 and Mattias Green2, (1)NERC British Antarctic Survey, Cambridge, CB3, United Kingdom, (2)Bangor University, Glan Conwy, United Kingdom
 
Comparison of Full Stokes and Shallow Shelf equations regarding grounding line dynamics on a variety of synthetic geometry representative of Antarctic outlet glaciers.
Vincent Peyaud1, Fabien Gillet-chaulet1, Laure Tavard2, Johannes Jakob Fürst1, Gaël Durand1, Olivier Gagliardini1 and Catherine Ritz1, (1)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France, (2)University Joseph Fourier Grenoble, Grenboble, France
 
Modelling Glacier Retreat after Ice Shelf Collapse
Jan De Rydt1, Gudmundur Hilmar Gudmundsson1, Helmut Rott2 and Jonathan L Bamber3, (1)NERC British Antarctic Survey, Cambridge, CB3, United Kingdom, (2)ENVEO, Innsbruck, Austria, (3)University of Bristol, Bristol, BS8, United Kingdom
 
Mathematical Modelling of Melt Lake Formation on an Ice Shelf
Sammie Claire Buzzard1, Daniel Lee Feltham1, Daniela Flocco1 and Peter R Sammonds2, (1)University of Reading, Centre for Polar Observation and Modelling, Department of Meteorology, Reading, United Kingdom, (2)University College London, London, United Kingdom
 
All Is Not Lost: The Transition from Order to Disorder in Greenland’s Glaciers
Catherine C Walker1, Britney E Schmidt1 and Jeremy N Bassis2, (1)Georgia Institute of Technology Main Campus, Atlanta, GA, United States, (2)University of Michigan, Ann Arbor, MI, United States
 
DynEarthSol3D: numerical studies of basal crevasses and calving blocks
Elizabeth Logan1, Luc L Lavier2, Eunseo Choi3, Eh Tan4 and Ginny A Catania1, (1)University of Texas at Austin, Austin, TX, United States, (2)Jackson School of Geosciences, Austin, TX, United States, (3)University of Memphis, Memphis, TN, United States, (4)Academia Sinica, Taipei, Taiwan
 
Predicting Stability of Ice Shelves with Crevasses: A Numerical Experiment
Yue Ma, University of Michigan Ann Arbor, Ann Arbor, MI, United States and Jeremy N Bassis, University of Michigan, Ann Arbor, MI, United States
 
The Conditional Frazil Ice Instability in Seawater
James Rowan Jordan1, Paul Holland1, Satoshi Kimura1, Adrian Jenkins1 and Matthew D Piggott2, (1)NERC British Antarctic Survey, Cambridge, United Kingdom, (2)Imperial College London, London, United Kingdom
 

Formation of Ice Eddies in Mountain Valleys of East Antarctica

Colin R Meyer, Harvard University, Cambridge, MA, United States, Timothy T Creyts, Columbia University-LDEO, Palisades, NY, United States and James R Rice, Harvard Univ, Cambridge, MA, United States
 
Modeling of dynamic thickening due to past climate change in East Antarctica ice sheet
Weili Wang, H Jay Zwally and Jun Li, NASA Goddard SFC, Greenbelt, MD, United States
 
Inferring basal plasticity in a temperate ice cap from observationally constrained ice-flow models
Brent M Minchew1, Mark Simons1, Helgi Bjornsson2, Finnur Palsson2, Mathieu Morlighem3, Helene L Seroussi4, Eric Y Larour4 and Scott Hensley4, (1)California Institute of Technology, Pasadena, CA, United States, (2)Univ of Iceland, Iceland, Iceland, (3)University of California Irvine, Irvine, CA, United States, (4)NASA Jet Propulsion Laboratory, Pasadena, CA, United States
 
Isochronal Ice Sheet Model: a New Approach to Tracer Transport by Explicitly Tracing Accumulation Layers
Andreas Born and Thomas F Stocker, University of Bern, Bern, Switzerland
 
Investigating the Geometry and Conditions for Basal Accretion of Englacial Plumes
Gwendolyn J Leysinger Vieli1, Richard C A Hindmarsh2 and Carlos Martin2, (1)University of Zurich, Zurich, Switzerland, (2)NERC British Antarctic Survey, Cambridge, CB3, United Kingdom
 
Atmospheric Pressure Error of GRACE in Antarctic Ice Mass Change
Byeonghoon Kim, Jooyoung Eom and Ki-Weon Seo, Seoul National University, Seoul, South Korea
 
Response of the Antarctic ice sheet to ocean forcing using the POPSICLES coupled ice sheet-ocean model
Daniel F Martin1, Xylar Asay-Davis2, Stephen F Price3, Stephen L. Cornford4, Mathew E Maltrud3, Esmond G Ng1 and William Collins1, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)Potsdam Institute for Climate Impact Research, Potsdam, Germany, (3)Los Alamos National Laboratory, Los Alamos, NM, United States, (4)University of Bristol, Bristol, United Kingdom
 
Ice Fabric Development with a New Fabric Evolution Model
Michael Hay, University of Washington Seattle Campus, Seattle, WA, United States and Edwin D Waddington, University of Washington, Seattle, WA, United States
 
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