C53B:
Deep and Dark: Geophysical Exploration of the Subglacial Environment II Posters

Friday, 19 December 2014: 1:40 PM-6:00 PM
Chairs:  Alessio Gusmeroli, University of Alaska Fairbanks, Fairbanks, AK, United States and Martin Truffer, University of Alaska Fairbanks, Fairbanks, AK, United States
Primary Conveners:  Alessio Gusmeroli, University of Alaska Fairbanks, International Arctic Research Center, Fairbanks, AK, United States
Co-conveners:  Martin Truffer, University of Alaska Fairbanks, Fairbanks, AK, United States and Adam Booth, Imperial College London, London, United Kingdom
OSPA Liaisons:  Alessio Gusmeroli, University of Alaska Fairbanks, Fairbanks, AK, United States

Abstracts Submitted to this Session:

 
New Insights in the Existence of Lakes Beneath the Recovery Glacier Drainage Basin, Antarctica
Daniel Steinhage1, Veit Helm1, Doreen Kasper2, Thomas Kleiner1 and Angelika Humbert1, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)University of Hamburg, Institute of Geophysics, Hamburg, Germany
 
Stratigraphy and Morphology of Drumlins within the Múlajökull Active Drumlin Field, Iceland
Ivar Orn Benediktsson, Lund University, Lund, Sweden, Sverrir Adalsteinn Jonsson, University of Iceland, 101 Reykjavík, Iceland, Anders Schomacker, Norwegian University of Science and Technology, Trondheim, Norway; Geological Museum – University of Copenhagen, Copenhagen, Denmark, Mark D Johnson, University of Gothenburg, Gothenburg, Sweden and Olafur Ingolfsson, University of Iceland, Reykjavik, Iceland; University Centre in Svalbard, Geology, Longyearbyen, Norway
 
Hydrologically Induced Basal Slip Triggers Greenland Supraglacial Lake Drainages
Laura A Stevens1, Mark D Behn2, Jeffrey Joseph McGuire2, Sarah B Das2, Ian R Joughin3, Thomas Herring1, David E Shean4 and Matt A King5, (1)Massachusetts Institute of Technology, Cambridge, MA, United States, (2)WHOI, Woods Hole, MA, United States, (3)Applied Physics Lab, University of Washington, Seattle, WA, United States, (4)Applied Physics Lab, University of Washington, Polar Science Center, Seattle, WA, United States, (5)University of Tasmania, Hobart, Australia
 
Characterizing Englacial Attenuation and Grounding Zone Geometry Using Airborne Radar Sounding
Dustin M Schroeder1, Cyril Grima2 and Donald D Blankenship2, (1)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (2)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States
 
Active Lakes of the Recovery Ice Stream, East Antarctica: A Bedrock-Controlled Subglacial Hydrological System
Helen Amanda Fricker, Scripps Institution of Oceanography, La Jolla, CA, United States, Theodore A Scambos, Univ Colorado, Boulder, CO, United States, Robin E Bell, Lamont -Doherty Earth Observatory, Palisades, NY, United States and Sasha P Carter, University of California - San Diego, San Diego, CA, United States
 
On siphons and sediments: A new model for draining active subglacial lakes in Antarctica informed with satellite radar and laser altimeter observations.
Sasha P Carter, University of California - San Diego, San Diego, CA, United States, Helen A Fricker, Scripps Institution of Oceanography, La Jolla, CA, United States and Matthew R Siegfried, University of California, SD, La Jolla, CA, United States
 
A Comprehensive Analysis of Swiss Alpine Glaciers Using Helicopter-Borne Ground-Penetrating-Radar
Lasse Rabenstein1, Hansruedi Maurer1, Andreas Bauder1, Lisbeth Langhammer1, Celia Lucas1, Anja Rutishauser2 and Patrick Lathion3, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (2)University of Alberta, Edmonton, AB, Canada, (3)Geosat SA, Sion, Switzerland
 
Modeling of the Upper Crustal Structure Beneath Thwaites Glacier, West Antarctica with Ground-Based and Airborne Geophysical Data
Atsuhiro Muto1, Leo E Peters1, Knut A Christianson2, Sridhar Anandakrishnan1, Richard B Alley1 and Byron R Parizek3, (1)The Pennsylvania State University, University Park, PA, United States, (2)Courant Institute of Mathematical Sciences, NEW YORK, NY, United States, (3)The Pennsylvania State University DuBois, DuBois, PA, United States
 
A SEISMIC REFLECTION STUDY ON THE ABLATION AREA OF THE TAKU GLACIER, SOUTHEAST ALASKA
Alessio Gusmeroli1, Jenna Zechman2, Adam Booth3 and Martin Truffer2, (1)University of Alaska Fairbanks, International Arctic Research Center, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Fairbanks, AK, United States, (3)Imperial College London, London, United Kingdom
 
Spatial Heterogeneity in Ice-bed Interactions Revealed by Variable Seismic Coupling and Basal Seismicity on the Whillans Ice Plain, West Antarctica
Catherine G Barcheck1, Susan Y Schwartz1, Slawek M Tulaczyk1, Jacob I Walter2 and Jeremy Paul Winberry3, (1)University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, (2)University of Texas at Austin, Austin, TX, United States, (3)Central Washington University, Ellensburg, WA, United States
 
Spatial Variability of the Subglacial Hydrology in West Greenland from Airborne Radar Data and Simple Drainage Models
Winnie Chu1, Timothy T Creyts1 and Robin E Bell2, (1)Columbia University-LDEO, Palisades, NY, United States, (2)Lamont -Doherty Earth Observatory, Palisades, NY, United States
 
Recovery giant subglacial lakes: new assessments using IceGRAV airborne radar data
Kenichi Matsuoka1, Rene Forsberg2, Fausto Ferraccioli3, Tom A Jordan3, Jack Kohler1, Hugh F J Corr4 and Arne V Olesen2, (1)Norwegian Polar Institute, Tromsø, Norway, (2)Technical University of Denmark - Space, Kongens Lyngby, Denmark, (3)British Antarctic Survey, Cambridge, United Kingdom, (4)NERC British Antarctic Survey, Cambridge, United Kingdom
 
Development and Testing of a Radio Transmitter for Englacial Trilateration
Paul Kintner III1, Dale P Winebrenner2, Tim Elam2 and Mike Carpenter2, (1)University of Washington Seattle Campus, Seattle, WA, United States, (2)Applied Physics Laboratory University of Washington, Kenmore, WA, United States
 
Geological Influences on Bedrock Topography and East Antarctic Ice Sheet Dynamics in the Wilkes Subglacial Basin
Egidio Armadillo1, Fausto Ferraccioli2, Duncan A Young3, Donald D Blankenship3, Tom A Jordan4, Pietro Balbi1, Emanuele Bozzo1 and Martin John Siegert5, (1)University of Genoa, Genoa, Italy, (2)NERC British Antarctic Survey, Cambridge, CB3, United Kingdom, (3)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (4)NERC British Antarctic Survey, Cambridge, United Kingdom, (5)Imperial College London, Grantham Institute and Department of Earth Science and Engineering, London, United Kingdom
 
A Thermal Melt Probe System for Extensive, Low-Cost Instrument Deployment Within and Beneath Ice Sheets
Dale P Winebrenner, W. Timothy Elam, Mike Carpenter and Paul Kintner III, University of Washington Seattle Campus, Seattle, WA, United States
 
Using GIS and Remote Sensing to Map the Bedrock Morphology of Bering Glacier, Alaska
Laura E Snyder-Deaton, US Geological Survey, Eastern Geographic Science Center, Reston, VA, United States and Bruce Franklin Molnia, US Geological Survey, National Civil Applications, Reston, VA, United States
 
Airborne Gravity Analysis of Hypothesized Subglacial Volcanic Edifice in West Antarctica
Evelyn M Powell1, Duncan A Young2, Tom Richter3, Enrica Quartini4, John A Goff5 and Donald D Blankenship3, (1)University of Texas at Austin, Austin, TX, United States, (2)University of Texas, Institute for Geophysics, Austin, TX, United States, (3)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (4)University of Texas Institute for Geophysics, AUSTIN, TX, United States, (5)Univ of Texas at Austin, Austin, TX, United States
 
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