C12B:
Observing and Understanding Changes in Polar Ice Sheets and Glaciers Using Ground, Airborne, and Satellite Remote Sensing I

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Session ID#: 17576

Session Description:
Airborne missions, e.g. suborbital NASA's Operation IceBridge and Ocean Melting Greenland, ESA's CryoVEx, and GEUS's PROMICE, novel ground remote sensing using radar interferometers, and satellite-borne EU's Sentinel-1a/b, NASA's GRACE, Landsat-8 and EOS satellites, CSA's RADARSAT-2, ASI's Cosmo CSK, JAXA's ALOS PALSAR-2 and the US WV continuously improve our understanding of changes in polar ice sheets and glaciers from remote sensing platforms. These observations, combined with ground measurements and regional climate model output products provide a long-term record of observations of changes in polar land ice, its response to climate forcing, and its contribution to sea level change. We encourage submissions that combine satellite, airborne and in situ observations with output products from models to better understand Arctic and Antarctic land ice mass evolution and subsequently improve projections of ice sheet mass balance and contribution to sea level. Submissions focusing on single sensors with innovative approaches are also welcome.
Primary Convener:  Eric J Rignot, University of California Irvine, Department of Earth System Science, Irvine, CA, United States
Conveners:  Isabella Velicogna, Department of Earth System Science, University of California, Irvine, United States, Michael Studinger, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Benjamin Eaton Smith, University of Washington Seattle Campus, Seattle, WA, United States
Chairs:  Eric J Rignot, University of California Irvine, Department of Earth System Science, Irvine, CA, United States and Michael Studinger, NASA Goddard Space Flight Center, Greenbelt, MD, United States
OSPA Liaison:  Eric J Rignot, University of California Irvine, Department of Earth System Science, Irvine, CA, United States
Index Terms:

0726 Ice sheets [CRYOSPHERE]
0728 Ice shelves [CRYOSPHERE]
1217 Time variable gravity [GEODESY AND GRAVITY]
4207 Arctic and Antarctic oceanography [OCEANOGRAPHY: GENERAL]

Abstracts Submitted to this Session:

Studying Elevation Change in the Bellingshausen Sector of the West Antarctic Ice Sheet (126496)
Allen Pope1, Benjamin Eaton Smith2, Heather Regan3, Paul Holland4 and Deborah R Shoosmith4, (1)National Snow and Ice Data Center, Boulder, CO, United States, (2)University of Washington, Applied Physics Laboratory, Seattle, WA, United States, (3)NERC British Antarctic Survey, Cambridge, United Kingdom, (4)British Antarctic Survey, Cambridge, United Kingdom
Bed Topography of Jakobshavn Isbræ and Helheim Glacier, Greenland from High-Resolution Gravity Data Combined with Other Observations (136824)
Lu An1, Eric J Rignot2, Prof. Mathieu Morlighem1, John Drysdale Paden3, David Holland4 and Denise Holland5, (1)University of California Irvine, Irvine, CA, United States, (2)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (3)Center for Remote Sensing of Ice Sheets (CReSIS), University of Kansas, Lawrence, United States, (4)New York University, Courant Institute of Mathematical Sciences, New York, United States, (5)New York University, New York, United States
The Continued Demise of Columbia Glacier: Insights On Dynamic Change (174676)
Ellyn M Enderlin, Boise State University, Department of Geosciences, Boise, ID, United States, Gordon S Hamilton, University of Maine, Orono, ME, United States, Shad O'Neel, USGS Alaska Science Center, Anchorage, AK, United States and Timothy C Bartholomaus, University of Idaho, Moscow, ID, United States
Using 20 years of SAR acquisitions to provide a highly accurate continent wide InSAR phase based ice velocity map (152682)
Jeremie Mouginot1, Eric J Rignot2, Bernd Scheuchl2 and Xin Li1, (1)University of California Irvine, Irvine, CA, United States, (2)University of California Irvine, Department of Earth System Science, Irvine, CA, United States
Surface mass balance model evaluation from satellite and airborne lidar mapping (185116)
Tyler C Sutterley, University of California Irvine, Department of Earth System Science, Irvine, United States, Isabella Velicogna, Department of Earth System Science, University of California, Irvine, United States, Xavier Fettweis, University of Liège, Département de Géographie, Liège, Belgium and Michiel R van den Broeke, Utrecht University, Utrecht, Netherlands
North Atlantic Oscillation Drives Regional Greenland Glacier Volume During the 20th Century (185378)
Anders A Bjork1,2, Søren Aagaard3, Anine M Hallander3, Shfaqat Abbas Khan4, Jason E Box5, Kristian K Kjeldsen6, Nicolaj Krog K Larsen7, Niels J Korsgaard8, John Cappelen9, William T Colgan10, Horst Machguth11, Camilla S Andresen5 and Kurt Henrik Kjaer1, (1)Natural History Museum of Denmark, København K, Denmark, (2)University of California Irvine, Earth System Science, Irvine, CA, United States, (3)Natural History Museum of Denmark, Copenhagen, Denmark, (4)Technical University of Denmark, Kgs. Lyngby, Denmark, (5)Geological Survey of Denmark and Greenland, København K, Denmark, (6)DTU Space, Lyngby, Denmark, (7)Aarhus University, Aarhus C, Denmark, (8)University of Copenhagen, Copenhagen, Denmark, (9)Danish Meteorological Institute, Copenhagen, Denmark, (10)York University, Toronto, ON, Canada, (11)University of Zurich, Zurich, Switzerland
In-situ GPS records of surface mass balance, firn compaction rates, and ice-shelf basal melt rates for Pine Island Glacier, Antarctica (194938)
David E Shean1, Knut A Christianson2, Kristine M Larson3, Stefan Ligtenberg4, Ian R Joughin5, Benjamin Eaton Smith5 and C Max Stevens2, (1)University of Washington, Civil and Environmental Engineering, Seattle, United States, (2)University of Washington, Seattle, WA, United States, (3)University of Colorado at Boulder, Aerospace Engineering Sciences, Boulder, United States, (4)University Utrecht / IMAU, Utrecht, Netherlands, (5)Applied Physics Laboratory University of Washington, Seattle, WA, United States
Using Greenland Ice Sheet ablation zone radiostratigraphy to test modern data against century-averaged steady state conditions (159745)
Caitlyn Florentine1, Joel T Harper2, Jesse V Johnson1, Toby W Meierbachtol3 and Marco Tedesco4, (1)University of Montana, Missoula, United States, (2)University of Montana, Department of Geosciences, Missoula, MT, United States, (3)University of Montana, Geosciences, Missoula, United States, (4)Lamont-Doherty Earth Observatory, Palisades, NY, United States

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