Catheryn Ryan¹, James Parry², Stephan Kolzenburg¹ and Tracy K P Gregg¹, (1)University at Buffalo, Department of Earth Sciences, Buffalo, United States, (2)Humboldt State University, Department of Geology, Arcata, United States

Christopher Larson, University of Pennsylvania, Department of Earth and Environmental Science, Philadelphia, United States, Paul R Bierman, University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, VT, United States, Michael E Mann, University of Pennsylvania, Department of Earth and Environmental Science; Penn Center for Science, Sustainability, and the Media, Philadelphia, United States, Lee B Corbett, University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, United States and Marc Caffee, Purdue University, Department of Physics PRIME Lab, West Lafayette, IN, United States

Anna Ruth W Halberstadt, University of Texas at Austin, Austin, TX, United States, Ryan Venturelli, Colorado School of Mines, Geology and Geological Engineering, Golden, United States and Lindsay Prothro, Texas A&M University Corpus Christi, Department of Physical and Environmental Sciences, Corpus Christi, United States

Shuai Yan^1,2, Duncan A Young³, Donald D Blankenship³, Duyi Li², Michelle Koutnik¹, Tyler J Fudge⁴, Hunter Reeves³, Alejandra Vega Gonzalez⁵, Shivangini Singh², Laura Lindzey⁶, Megan Kerr² and Emily Wilbur⁷, (1)University of Washington, Seattle, United States, (2)University of Texas Institute for Geophysics, Austin, United States, (3)University of Texas, Institute for Geophysics, Austin, United States, (4)University of Washington, Earth and Space Sciences, Seattle, United States, (5)University of Puerto Rico Mayaguez, Mayaguez, United States, (6)University of Washington, Applied Physics Laboratory, Seattle, United States, (7)University of Washington, Department of Earth and Space Sciences, Seattle, United States

Fairuz Ishraque¹, William H Lipscomb², Daniel E Amrhein³, Gunter R Leguy² and John A Higgins⁴, (1)Princeton University, Department of Geosciences, Princeton, NJ, United States, (2)National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, United States, (3)NSF National Center for Atmospheric Research, Boulder, United States, (4)Princeton University, Princeton, United States

Malena Andernach^1,2, Marie-Luise Kapsch¹ and Uwe Mikolajewicz¹, (1)Max Planck Institute for Meteorology, Hamburg, Germany, (2)International Max Planck Research School on Earth System Modelling (IMPRS-ESM), Hamburg, Germany

Kieran Herman, University of South Florida Tampa, Tampa, FL, United States and Duncan A Young, Institute for Geophysics, Austin, TX, United States

Allison Bubar, Oberlin College, Oberlin, OH, United States, Emily Wilbur, Bonney Lake, WA, UNITED STATES, Jonathan Douglas Maurer, University of Maine, Earth and Climate Sciences and Climate Change Institute, Orono, United States, Shuai Yan, University of Texas at Austin, Institute for Geophysics, Austin, United States, Daniel Shapero, University of Washington, Applied Physics Laboratory, Seattle, United States and Michelle Koutnik, University of Washington, Seattle, United States

Robin Elizabeth Bell¹, Beata M Csatho², S Isabel Cordero¹, Donglai Yang³, Winnie Chu³, Ivan Parmuzin⁴, John Drysdale Paden⁵, Andrew Hoffman⁶, Alexandra Boghosian⁷ and Kirsty J Tinto⁸, (1)Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, (2)University at Buffalo, Department of Earth Sciences, Buffalo, NY, United States, (3)Georgia Institute of Technology Main Campus, Atlanta, United States, (4)University at Buffalo, Department of Earth Sciences, Buffalo, United States, (5)Center for Remote Sensing of Ice Sheets (CReSIS), University of Kansas, Lawrence, United States, (6)Lamont -Doherty Earth Observatory, Palisades, United States, (7)Lamont-Doherty Earth Observatory, Palisades, United States, (8)Lamont-Doherty Earth Observatory, Columbia University, Palisades, United States

Mr. Phillip Raymond Raymond Wilson¹, Benjamin M Jones², Julie Brigham-Grette³, Mikhail Z Kanevskiy², Sarah Shackleton⁴, Roger Creel⁵, Allie Balter-Kennedy⁶, Jessica DePaolis⁷, Stéphanie Coulombe⁸, Daniel Fortier⁹, Sebastian Wetterich¹⁰, Thomas Opel¹¹, Guido Grosse¹² and Ken D Tape¹³, (1)University of Alaska Fairbanks, Institute of Northern Engineering, Fairbanks, United States, (2)University of Alaska Fairbanks, Institute of Northern Engineering, Fairbanks, AK, United States, (3)Univ Massachusetts, Amherst, MA, United States, (4)Woods Hole Oceanographic Institution, Woods Hole, United States, (5)Texas A& M University, Geology and Geophysics, College Station, United States, (6)Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States, (7)Virginia Tech, Geosciences, Blacksburg, United States, (8)Polar Knowledge Canada, Cambridge Bay, NU, Canada, (9)University of Montreal, Geography, Montreal, QC, Canada, (10)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (11)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Department of Periglacial Research, Potsdam, Germany, (12)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Permafrost Research Section, Potsdam, Germany, (13)University of Alaska Fairbanks, Fairbanks, AK, United States

John-Morgan Manos, University of Washington, Seattle, United States, Bradley Paul Lipovsky, University of Washington, Department of Earth and Space Sciences, Seattle, United States, Marguerite Shaya and Daniel Shapero, University of Washington, Applied Physics Laboratory, Seattle, United States

Paul R Bierman¹, Halley Mastro¹, Christopher Larson², Nicolas Perdrial³, Catherine Collins¹, Juliana Souza⁴ and Lee B Corbett⁴, (1)University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, VT, United States, (2)University of Pennsylvania, Department of Earth and Environmental Science, Philadelphia, United States, (3)University of Vermont, Department of Geoscience and Geography, Burlington, United States, (4)University of Vermont, Rubenstein School of Environment and Natural Resources, Burlington, United States

Andrew Hoffman¹, Madeleine Yao², S Isabel Cordero³, Kirsty J Tinto⁴, Jonathan Kingslake⁵, David Felton Porter⁶, Prof. Renata Constantino⁷ and Alexandra Boghosian⁵, (1)Lamont -Doherty Earth Observatory, Palisades, United States, (2)Barnard College, New York, United States, (3)Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, (4)Lamont-Doherty Earth Observatory, Columbia University, Palisades, United States, (5)Lamont-Doherty Earth Observatory, Palisades, United States, (6)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (7)Lamont -Doherty Earth Observatory, Marine Geology and Geophysics, Palisades, NY, United States

Hunter Reeves^1,2, Donald D Blankenship², Shuai Yan^2,3, Duncan A Young², Cyril Grima², Michelle Koutnik³, Marie Cavitte^2,4 and Conor Andersen^2,5, (1)University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, (2)University of Texas, Institute for Geophysics, Austin, United States, (3)University of Washington, Seattle, United States, (4)Vrije Universiteit Brussel, Ixelles, Belgium, (5)Texas A&M University Kingsville, Kingsville, United States

Cassandra Seltzer, Lamont-Doherty Earth Observatory, Columbia University, New York City, United States; Woods Hole Oceanographic Institution, Falmouth, United States, Benjamin H Hills, Colorado School of Mines, Golden, United States, Natalie Soheila Wolfenbarger, Los Alamos National Laboratory, Los Alamos, United States, Annie Cheng, Stanford University, Department of Physics, Stanford, United States and Dustin M Schroeder, Stanford University, Department of Geophysics, Stanford, United States

Alissa Choi¹, Natasha Morgan-Witts², Noah LeBrun², Bil Schneider², Lucas Zoet³, William O Nachlas², Austin Carter⁴, Sarah M Aarons⁴, Julia Marks Peterson⁵, Sarah Shackleton⁶, John A Higgins⁷, Edward Brook⁸ and Chloe E Bonamici², (1)University of Wisconsin Madison, Madison, WI, United States, (2)University of Wisconsin Madison, Department of Geoscience, Madison, United States, (3)University of Wisconsin, Madison, Department of Geoscience, Madison, United States, (4)Scripps Institution of Oceanography, La Jolla, United States, (5)Oregon State University, Corvallis, United States, (6)Woods Hole Oceanographic Institution, Woods Hole, United States, (7)Princeton University, Princeton, United States, (8)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States