C002
Advances in Glacier and Ice Sheet Hydrology
Session ID#: 247250
Session Description:
This session explores the role of liquid water throughout glaciers and ice sheets as well as the impact of water on ice dynamics, mass balance, and geomorphology. Water is both stored and transported through glaciers by a series of connected supraglacial, englacial, and subglacial features including supraglacial lakes, streams, and saturated snow; englacial crevasses, moulins, and incised channels; and subglacial drainage channels, cavities, saturated till, and frozen sediments. Connections between these components shape the glacial hydrologic system, which transports water from the surface to bed, modulates glacier velocities, redistributes glacier mass, and facilitates glacial erosion. Advances in observing, inferring, and modeling glacier hydrology, including variations in space and time, strengthen our ability to predict how glacial systems will respond under a changing climate. We invite contributions considering any aspects of glacial hydrology, and particularly welcome studies focusing on interactions between multiple components of the glacier hydrologic system.
Co-Sponsor(s):
Index Terms:
0720 Glaciers [CRYOSPHERE]
0726 Ice sheets [CRYOSPHERE]
0776 Glaciology [CRYOSPHERE]
1827 Glaciology [HYDROLOGY]
Primary Convener: Dougal Hansen, Washington University, Department of Earth, Environmental, and Planetary Sciences, St. Louis, United States
Conveners: Aleah Sommers, Dartmouth College, Thayer School of Engineering, Hanover, NH, United States, Colin Meyer, Dartmouth College, Thayer School of Engineering, Hanover, United States and Jessica Z Mejia, Syracuse University, Department of Earth and Environmental Sciences, Syracuse, United States
Student/Early Career Convener: Amy Jenson, University of Alaska Fairbanks, Fairbanks, AK, United States
No Long-Range, Inland Triggering of Ice-Sheet Hydro-Fracture (1851944)
Laura Stevens, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, Meredith Nettles, Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States, Stacy Larochelle, McGill University, Montreal, QC, Canada, Marianne Okal, EarthScope Consortium, Boulder, CO, United States, Joshua Rines, Boston College, Chestnut Hill, MA, United States, Ching-Yao Lai, Stanford University, Department of Geophysics, Stanford, United States, Emily Falconer, University of Oxford, Earth Sciences, Oxford, United Kingdom and George J Lu, University of Toronto, Toronto, ON, Canada
Subglacial seawater access with only minor grounding line migration at Thwaites Glacier (Invited) (1855371)
Kiya L Riverman1, Kasia Warburton2, Sridhar Anandakrishnan3, Britney Schmidt4, Peter Washam5, Keith W Nicholls6, Peter E D Davis7, James Smith6, Sophia O'Connell1 and Hannah McLelland8, (1)University of Portland, Portland, OR, United States, (2)Dartmouth College, Thayer School of Engineering, Hanover, United States, (3)Pennsylvania State Univ, University Park, PA, United States, (4)Cornell University, Astronomy and Earth & Atmospheric Sciences, Ithaca, United States, (5)Cornell University, Astronomy, Ithaca, NY, United States, (6)British Antarctic Survey, Cambridge, United Kingdom, (7)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (8)University of Portland, Portland, United States
A Unified Model of Subglacial Blisters and Associated Ice-Flow Anomalies from Supraglacial Lake Drainage (1859968)
Hanwen Zhang1, Laura Stevens1, Ian Hewitt2 and Harry Stuart2, (1)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (2)University of Oxford, Mathematical Institute, Oxford, United Kingdom
Advancing GLOF Detection Methods for the Greenland Ice Sheet Using Machine Learning and Multispectral Optical Imagery (1865191)
Mr. Ethan Carr, University of Colorado Boulder, CIRES, Boulder, United States, Alison F Banwell, University of Colorado Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, Melisa Diaz, The Ohio State University, School of Earth Sciences and Byrd Polar and Climate Research Center, Columbus, United States, Waleed Abdalati, University of Colorado, Department of Geography, Boulder, United States and Mark C Serreze, University of Colorado at Boulder, CIRES, National Snow and Ice Data Center, Boulder, United States
Coupled Subglacial Hydrology and Ice Dynamics Modeling of Lake Drainages and Surging Glaciers in the Himalayas (1869665)
Neosha Narayanan, Georgia Institute of Technology Main Campus, Earth and Atmospheric Sciences, Atlanta, United States, Winnie Chu, Georgia Institute of Technology Main Campus, Atlanta, United States, Aleah Sommers, National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, United States, Colin Meyer, Dartmouth College, Thayer School of Engineering, Hanover, United States, Jakob Steiner, Himalayan University Consortium, Lalitpur, Nepal, Alexander Robel, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, United States and Brent Minchew, California Institute of Technology, Pasadena, United States
CRACKING THE SEDIMENT CODE: A NOVEL SPECTRAL-TOPOGRAPHIC FUSION APPROACH FOR HIGH-ACCURACY GLACIER LAKE OUTBURST FLASH FLOOD MAPPING (1871184)
Narayan Thapa, Kathmandu University, Dhulikhel, Nepal, Pawan Thapa, University of Alabama, Department of Geography and the Environment, Tuscaloosa, United States and Mandil Thapa, Tribhuvan University, Kirtipur, Nepal
Characterizing the Sub-Glacial Environment of Lower Thwaites Glacier Using Radar Modeling (1881141)
Christopher Pierce, Montana State University, Bozeman, MT, United States, Mark L Skidmore, Montana State University, Department of Earth Sciences, Bozeman, MT, United States; Stockholm University, Department of Physical Geography, Stockholm, Sweden, Lucas Beem, Montana State University, Department of Earth Sciences, Bozeman, United States, Donald D Blankenship, University of Texas, Institute for Geophysics, Austin, United States, Ed Adams, Montana State University, Bozeman, United States, Christopher Gerekos, University of Texas at Austin, Institute for Geophysics, Austin, United States and Won Sang Lee, Korea Polar Research Institute, Division of Glacier and Earth Sciences, Incheon, Korea, Republic of (South)
A theoretical and numerical model for unconfined aquifers in cold firn (1881459)
Mohammad Afzal Shadab, Princeton University, Princeton, United States, Howard Stone, Princeton University, Mechanical & Aerospace Engineering, Princeton, NJ, United States and Reed M Maxwell, Princeton University, Civil and Environmental Engineering, Princeton, United States
Future Irreversible Ice Loss in Wilkes Basin Accelerated by Subglacial Hydrology (1888074)
Yu Wang, University of Tasmania, Australian Antarctic Program Partnership, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia, Chen Zhao, University of Tasmania, Australian Antarctic Program Partnership, Institute for Marine and Antarctic Studies, Hobart, Australia, Rupert Michael Gladstone, University of Lapland, Arctic Centre, Rovaniemi, Finland, Thomas Zwinger, CSC - IT Center for Science, Espoo, Finland, Benjamin Keith Galton-Fenzi, Australian Antarctic Division, Kingston, Australia, Poul Christoffersen, University of Tasmania, Institute for Marine and Antarctic Studies, Oceans and Cryosphere, Hobart, Australia and Eliot Jager, University of Helsinki, Helsinki, Finland
Evaluating Control of Basal Hydrology on Seasonal Ice Flow of Greenland's Outlet Glaciers using Observational—Model Integration (1891178)
Kuba Oniszk, Technical University of Denmark, Kgs. Lyngby, Denmark, Jessica Badgeley, University of Washington, Department of Earth and Space Sciences, Seattle, United States, Gong Cheng, Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, William Colgan, Geological Survey of Denmark and Greenland, København K, Denmark and Shfaqat Abbas Khan, Technical University of Denmark - Space, Kongens Lyngby, Denmark
Supraglacial lake drainage through an Antarctic outlet glacier (Invited) (1892921)
Kate Winter1, S Isabel Cordero2, Sarah Crowsley3, Benjamin Davison4, Jeremy Ely5, Nicholas Frearson6, Andrew Hoffman7, Jonathan Kingslake8, Stephen John Livingstone4, Rohi Muthyala7, Ali Rose3, Andrew John Sole4, Roger Stilwell3 and Sian Thorpe4, (1)Northumbria University Newcastle, Newcastle upon Tyne, UNITED KINGDOM, (2)Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, (3)NERC British Antarctic Survey, Cambridge, United Kingdom, (4)University of Sheffield, Sheffield, United Kingdom, (5)University of Sheffield, Department of Geography, Sheffield, United Kingdom, (6)Columbia University, Palisades, NY, United States, (7)Lamont -Doherty Earth Observatory, Palisades, United States, (8)Lamont-Doherty Earth Observatory, Palisades, United States
Modeling interaction between supraglacial melt lakes and calving in transient Antarctic simulations (1900834)
Danielle Grau, Georgia Institute of Technology Main Campus, Earth and Atmospheric Sciences, Atlanta, United States, Mattia Poinelli, Delft University of Technology, Geoscience and Remote Sensing, Delft, Netherlands, Nicole Schlegel, NOAA, Geophysical Fluid Dynamics Laboratory, Princeton, United States and Alexander Robel, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, United States
Englacial meltwater drainage on the Greenland Ice Sheet: insights from computer vision and modeling (1902858)
Joshua Rines, Stanford University, Department of Geophysics, Stanford, CA, United States, Ching-Yao Lai, Stanford University, Department of Geophysics, Stanford, United States, Niall Coffey, Stanford University, Geophysics, Stanford, CA, United States, Ellianna Abrahams, Stanford University, Geophysics, Stanford, United States; Stanford University, Stanford Research Compute Center, Stanford, United States, Laura Stevens, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom and Leigh A Stearns, University of Pennsylvania, Department of Earth and Environmental Sciences, Philadelphia, PA, United States
A nine-year record of slush on the Greenland Ice Sheet (1909333)
Emily Glen1, Alison F Banwell2, Amber Leeson1, Katie Miles1, Rebecca L Dell3, Jennifer Maddalena1 and Malcolm McMillan1, (1)Lancaster University, Lancaster, United Kingdom, (2)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (3)University of Cambridge, Scott Polar Research Institute, Cambridge, United Kingdom
Glacier contributions to rivers and oceans in the early twenty first century (1926006)
Alex S Gardner, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Nicole Schlegel, NOAA, Geophysical Fluid Dynamics Laboratory, Princeton, United States, Chad A Greene, NASA Jet Propulsion Laboratory, Pasadena, United States, Romain Hugonnet, LEGOS, Université de Toulouse, CNES, CNRS, IRD, UPS, Toulouse, France, Brian Menounos, University of Northern British Columbia, Geography Earth and Environmental Sciences, Prince George, BC, Canada, David N Wiese, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States and Etienne Berthier, Université Toulouse III - Paul Sabatier, Toulouse, France
Detecting Supraglacial Streams in Southwest Greenland Using Drone Imagery and Deep Learning (1932832)
Md Arafat Hassan, Rutgers University New Brunswick, Geography, New Brunswick, United States, Asa K Rennermalm, Rutgers, The State University of New Jersey, Geography, New Brunswick, United States and Md Ruman Islam, University of Nebraska at Omaha, Computer Science, Omaha, United States
Flash Flood or Leaky Faucet? Quantifying Antarctic Subglacial Groundwater Exfiltration Through the Last Deglaciation (1935886)
Ellie Miller1, Alexander Robel2, Roger Creel3,4, Ellianna Abrahams5, Matthew Siegfried6, Lucas Zoet7, Marion McKenzie1, Rohaiz Haris6 and Ryan Venturelli1, (1)Colorado School of Mines, Geology and Geological Engineering, Golden, United States, (2)Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, United States, (3)Texas A& M University, Geology and Geophysics, College Station, United States, (4)Woods Hole Oceanographic Institution, Department of Physical Oceanography, Woods Hole, United States, (5)Stanford University, Stanford Data Science Initiative, Palo Alto, United States, (6)Colorado School of Mines, Department of Geophysics, Golden, United States, (7)University of Wisconsin, Madison, Department of Geoscience, Madison, United States
A New Physical Model of Subglacial Hydrology (1937726)
Sophia O'Connell1, Kiya L Riverman1, Hannah McLelland2 and John Leeman3, (1)University of Portland, Portland, OR, United States, (2)University of Portland, Portland, United States, (3)Leeman Geophysical, Siloam Springs, United States
Parameterising crevasse field drainage into meltwater routing models for the Greenland Ice Sheet (1948413)
Thomas R Chudley1, Chris Stokes1, James Lea2, Robert Law3, Adam Hepburn4 and Caroline C Clason1, (1)Durham University, Department of Geography, Durham, United Kingdom, (2)University of Liverpool, Department of Geography and Planning, Liverpool, United Kingdom, (3)University of Bergen, Norway, Department of Earth Science, Bergen, Norway, (4)Aberystwyth University, Aberystwyth, United Kingdom
The Effect of Subglacial Water Flow and Sediment Properties On Glacier Slip During Transient Effective Pressure (1952896)
Natasha Morgan-Witts1, Dougal Hansen2, Lucas Zoet1, Mara Corum1, Jillian Prescott1 and Peter E Sobol1, (1)University of Wisconsin Madison, Department of Geoscience, Madison, United States, (2)Washington University, Department of Earth, Environmental, and Planetary Sciences, St. Louis, United States
High Sliding Velocities Limit the Ability to Reproduce Observed Seasonal Slowdown in Coupled Ice Flow-GlaDS Simulations (1973016)
Amy Jenson, University of Alaska Fairbanks, Fairbanks, AK, United States, Martin Truffer, University of Alaska Fairbanks, Fairbanks, United States, Jason M Amundson, University of Alaska Southeast, Department of Natural Sciences, Juneau, United States and Lizz Ultee, NASA Goddard Space Flight Center, Greenbelt, United States
Links Between Drainage System Evolution, Meltwater, and Velocities of a Temperate Surge-Type Glacier (1977539)
Parker Wilkerson, Boise State University, Boise, ID, United States, Ellyn M Enderlin, Boise State University, Department of Geosciences, Boise, United States and Jukes Liu, Boise State University, Geosciences, Boise, ID, United States
The Proglacial Paradigm: Assessing the Impact of Proglacial Lakes on Concentration-Discharge Relationships in Glacial Streams (1980219)
Wyatt Matyas1, Aeon Russo2, Jordan Jenckes, PhD2, David F Boutt3 and Lee Munk4, (1)University of Alaska Fairbanks, Geosciences, Fairbanks, United States, (2)University of Alaska Anchorage, Computer Science and Engineering, Anchorage, United States, (3)University of Massachusetts, Earth, Geographic, and Climate Sciences, Amherst, United States, (4)University of Alaska Fairbanks, Department of Geosciences, Fairbanks, United States
Subglacial conduit flow begins at the onset of the melt season in West Greenland: no seismic evidence for a transition from a distributed system (1982121)
Timothy C Bartholomaus, University of Idaho, Moscow, ID, United States, Jason Gulley, University of South Florida, School of Geosciences, Tampa, United States and Jessica Z Mejia, Syracuse University, Department of Earth and Environmental Sciences, Syracuse, United States
Subglacial Meltwater Plume Deposits Across Antarctic Margin Settings: A Grain‑Scale Comparison of Pennell Coast, George V Land, and Weddell Sea (1987328)
Natalia Varela1, Lauren Miller Miller1, Alejandra Vega Gonzalez1, Lindsay Prothro2, Ryan Venturelli3 and Valerie Stanley4, (1)University of Virginia, Department of Environmental Sciences, Charlottesville, United States, (2)Texas A&M University Corpus Christi, Department of Physical and Environmental Sciences, Corpus Christi, United States, (3)Colorado School of Mines, Geology and Geological Engineering, Golden, United States, (4)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States
