PP12C:
How Fast? How Far? How Much? Paleoconstraints on the Extent and Rates of Retreat in Marine-Terminating Glaciers, Ice Sheets, and Sea Ice II
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Session ID#: 17427
Session Description:
How fast will glaciers and ice sheets retreat and sea levels rise in response to future warming? Will changes be irreversible? Current projections for long-term change vary widely depending on the treatment of feedbacks. Resolving differences in long-term rates, and understanding how short-term natural variability or anthropogenic change may trigger rapid ice loss, is essential for policy development. Recent history is of limited help; observed variability is small compared to the expected future changes. This session explores how paleo-studies constrain understanding of variability, sensitivity, triggers, rates and processes of large-scale ice loss. We will focus on marine-terminating ice systems, their connections to inland ice, sea ice, and modeling of past variability documented in paleo-archives from ice, land, and ocean. We are particularly interested in well-documented examples from marine terminating ice systems in Greenland and Antarctica, although case studies from other regions and examination of relevant modern processes are also welcome.
Primary Convener: Alan C Mix, Oregon State University, Corvallis, OR, United States
Conveners: Martin Jakobsson, Stockholm University, Department of Geological Sciences, Stockholm, Sweden, Camilla S Andresen, Geological Survey of Denmark and Greenland, København K, Denmark and Eystein Jansen, University of Bergen, Bergen, Norway
Chairs: Eystein Jansen, University of Bergen, Bergen, Norway and Martin Jakobsson, Stockholm University, Department of Geological Sciences, Stockholm, Sweden
OSPA Liaison: Alan C Mix, Oregon State University, Corvallis, OR, United States
Cross-Listed:
Abstracts Submitted to this Session:
Alan C Mix1, Martin Jakobsson2, John T Andrews3, Anne E Jennings4, Larry A Mayer5, Shaun A Marcott6, Andreas Muenchow7, Joseph Stephen Stoner8, Camilla S Andresen9, Keith W Nicholls10, Soren Thesbjerg Anderson11, Edward J Brook1, Elizabeth G Ceperley12, Maziet Cheseby8, Jorie Clark13, Fredrik Dalerum14, Laurence M Dyke15, Draupnir Einarsson2, Björn Eriksson2, Christina Frojd16, Anna Glueder17, Ulf Hedman16, Katrien Heirman18, Céline Heuzé19, Kelly Hogan20, Robert Holden16, Chris Holm21, Kevin Jerram22, Jari Krutzfeldt23, Lecomte Nicolas24, Ljusberg Par16, Kate Lomac-MacNair25, Saskia Madlener26, Jennifer L McKay13, Tomas Meijer27, Axel Meiton16, Michael Brian28, Rezwan Mohammed2, Mikael Molin29, Chris Moser13, Egon Normark11, June Padman8, Patricia Pecnerova30, Brendan Reilly8, Melissa Reusche6, Andrew Ross13, Christian Stranne2, Per Trinhammer31, Maureen H Walczak32, Paul Walczak1, Peter Washam33, Markus Karasti2 and Paul Anker20, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States, (2)Stockholm University, Department of Geological Sciences, Stockholm, Sweden, (3)Retired, Washington, DC, United States, (4)University of Colorado, INSTAAR, Boulder, United States, (5)University of New Hampshire, Center for Coastal and Ocean Mapping, Durham, United States, (6)University of Wisconsin Madison, Department of Geoscience, Madison, United States, (7)University of Delaware, Newark, DE, United States, (8)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (9)Geological Survey of Denmark and Greenland, København K, Denmark, (10)NERC British Antarctic Survey, Polar Oceans, Cambridge, United Kingdom, (11)Aarhus University, Dept of Geosciences, Aarhus C, Denmark, (12)University of Wisconsin-Madison, Department of Geoscience, Madison, United States, (13)CEOAS, Oregon State University, Corvallis, OR, United States, (14)University of Pretoria, Dept. of Zoology and Entomology, Pretoria, South Africa, (15)Swansea University, Cardiff, United Kingdom, (16)Swedish Polar Research Secretariat, Stockholm, Sweden, (17)Oregon State University, College of Earth Ocean and Atmospheric Sciences, Corvallis, OR, United States, (18)Geological Survey of Denmark and Greenland, Copenhagen, Denmark, (19)University of Gothenburg, Department of Earth Sciences, Gothenburg, Sweden, (20)British Antarctic Survey, Cambridge, United Kingdom, (21)Washington State University, Pullman, WA, United States, (22)Center for Coastal & Ocean Mapping, School of Marine Science and Ocean Engineering/Joint Hydrographic Center, University of New Hampshire, Durham, NH, United States, (23)Kungl Tekniska Högskolan Royal Institute of Technology, Centre for Naval Architecture, Stockholm, Sweden, (24)Université de Moncton, Natural Sciences & Engineering, Moncton, NB, Canada, (25)Smultea Sciences, Seattle, WA, United States, (26)77th Parallel Productions LLC, New York, NY, United States, (27)Stockholm University, Dept of Zoology, Stockholm, Sweden, (28)NERC British Antarctic Survey, Cambridge, United Kingdom, (29)Umeå University, Marine Sciences Centre, Umeå, Sweden, (30)Swedish Museum of Natural History, Dept. of Bioinformatics and Genetics, Stockholm, Sweden, (31)Aarhus University, Aarhus C, Denmark, (32)University of Washington, Seattle, United States, (33)Cornell University, Astronomy, Ithaca, NY, United States
Larry A Mayer, University of New Hampshire Main Campus, Earth Sciences, Durham, NH, United States, Martin Jakobsson, Stockholm University, Department of Geological Sciences, Stockholm, Sweden, Alan C Mix, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States, Kevin Jerram, Center for Coastal & Ocean Mapping, School of Marine Science and Ocean Engineering/Joint Hydrographic Center, University of New Hampshire, Durham, NH, United States, Kelly Hogan, British Antarctic Survey, Cambridge, United Kingdom, Erin Heffron, Center for Coastal and Ocean Mapping Joint Hydrographic Center, Durham, NH, United States and Andreas Muenchow, University of Delaware, Newark, DE, United States
Laura Levy1, Nicolaj Krog K Larsen2, Kurt Henrik Kjaer3, Anders A Bjork3, Kristian K Kjeldsen4, Svend Funder5, Meredith A Kelly6 and Jennifer A Howley7, (1)Aarhus University, Department of Geoscience, Aarhus C, Denmark, (2)Aarhus University, Aarhus C, Denmark, (3)Natural History Museum of Denmark, København K, Denmark, (4)DTU Space, Lyngby, Denmark, (5)Geological Museum – University of Copenhagen, Copenhagen, Denmark, (6)Dartmouth College, Earth Sciences, Hanover, NH, United States, (7)Dartmouth College, Hanover, NH, United States
Rebecca Jackson1, Marit-Solveig Seidenkrantz2, Anne de Vernal3, Anders E Carlson4, Claude Hillaire-Marcel3 and Michal Kucera5, (1)MARUM - Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany, (2)Aarhus University, Department of Geoscience, Aarhus, Denmark, (3)University of Quebec at Montreal UQAM, Montreal, QC, Canada, (4)Oregon State University, Corvallis, OR, United States, (5)MARUM - University of Bremen, Bremen, Germany
Henning A Bauch1,2, Anastasia Zhuravleva2 and Nicolas Van Nieuwenhove3, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (3)Geological Survey of Denmark and Greenland, København K, Denmark
Ruediger H Stein1, Frank Niessen1, Kirsten Fahl2, Matthias Forwick3, Anna Kudriavtseva4, Ekaterina Ponomarenko4, Anna Katharina Prim5, Anna Quatmann-Hense6, Robert F Spielhagen7 and Hao Zou1, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Marine Geology, Bremerhaven, Germany, (3)UiT The Arctic University of Norway, Tromsø, Norway, (4)St. Petersburg State University, St. Petersburg, Russia, (5)University of Münster, Geosciences, Münster, Germany, (6)University of Bremen, Bremen, Germany, (7)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Robert F Spielhagen1, Andreas Mackensen2 and Ruediger H Stein2, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
Joshua K Cuzzone, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Eric Y Larour, NASA Jet Propulsion Laboratory, Pasadena, United States, Nicole Jeanne Schlegel, University of California Los Angeles, Los Angeles, CA, United States and Jason P Briner, University at Buffalo, Department of Earth Sciences, Buffalo, United States
