C21A:
Integrating Observations and Models to Better Understand a Changing Arctic Sea Ice Cover I Posters

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Session ID#: 12713

Session Description:
The Arctic sea ice cover is in decline, with a reduction in summer ice extent and a transformation from primarily perennial ice to seasonal ice. There is a significant need to understand the ongoing changes in the Arctic sea ice cover and to predict future changes. Models play a fundamental role in these tasks by synthesizing the elements of the Arctic sea ice system. However, progress in model development suffers from a disconnect with the discoveries being made within the observational community. Observational activities could make better use of model guidance regarding the relative importance of various processes, and spatial and temporal sampling strategies. This session welcomes presentations that integrate in situ observations and remote sensing data with sea ice modeling studies. Examples of this integration range from improving the treatment of individual processes to advances in coupled earth system models to using models to inform observational network design.
Primary Convener:  Donald K Perovich, Dartmouth College, Thayer School of Engineering, Hanover, NH, United States
Convener:  Marika M Holland, Natl Ctr Atmospheric Research (NCAR), Boulder, United States
Chairs:  Donald K Perovich, Dartmouth College, Thayer School of Engineering, Hanover, NH, United States and Marika M Holland, Natl Ctr Atmospheric Research (NCAR), Boulder, United States
OSPA Liaison:  Marika M Holland, Natl Ctr Atmospheric Research (NCAR), Boulder, United States

Cross-Listed:
  • A - Atmospheric Sciences
  • OS - Ocean Sciences
Index Terms:

0750 Sea ice [CRYOSPHERE]
0758 Remote sensing [CRYOSPHERE]
0762 Mass balance 0764 Energy balance [CRYOSPHERE]
0798 Modeling [CRYOSPHERE]

Abstracts Submitted to this Session:

Sea Ice Summer Camp: Bringing Together Arctic Sea Ice Modelers and Observers (157403)
Donald K Perovich, Dartmouth College, Thayer School of Engineering, Hanover, United States and Marika M Holland, National Center for Atmospheric Research (NCAR), Boulder, United States
Online Sea Ice Knowledge and Data Platform: www.seaiceportal.de (176454)
Renate E Treffeisen1, Marcel Nicolaus1, Annekathrin Bartsch1, Bernadette Fritzsch2, Klaus Grosfeld1, Christian Haas1, Stefan Hendricks1, Georg Heygster3, Wolfgang Hiller1, Thomas Krumpen1, Christian Melsheimer4, Anja Nicolaus1, Robert Ricker5 and Marietta Weigelt1, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (AWI), Bremerhaven, Germany, (3)Institute of Environmental Physics, University of Bremen, Bremen, Germany, (4)University of Bremen, Bremen, Germany, (5)IFREMER, Plouzané, France
NWS Alaska Sea Ice Program: Operations, Customer Support & Challenges (142301)
Rebecca Heim, NOAA Anchorage, Anchorage, AK, United States and Mary-Beth Schreck, National Weather Service, Alaska Sea Ice Program, Anchorage, AK, United States
Assessment of Sea Surface Temperature and Sea Ice Initial Conditions on Coupled Model Forecasts (165270)
Janet M Intrieri, National Oceanic and Atmospheric Administration, Physical Sciences Laboratory, Boulder, United States, Amy Solomon, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, Ola P G Persson, NOAA ESRL / University of Colorado, CIRES, Boulder, United States, Antonietta Capotondi, University of Colorado, CIRES, Boulder, United States, Frank LaFontaine, Jacobs Technology, Inc. / NASA Marshall Space Flight Center, Huntsville, AL, United States and Gary Jedlovec, NASA Marshall Space Flight Center, Earth Science Branch, Huntsville, AL, United States
Bridging the Gap Between Observations and Models. (189385)
David A Bailey, National Center for Atmospheric Research, Boulder, United States, Marika M Holland, National Center for Atmospheric Research (NCAR), Boulder, United States, Jennifer E Kay, University of Colorado at Boulder, Boulder, CO, United States and Nicole Jeffery, Los Alamos National Laboratory, Los Alamos, NM, United States
Assimilation of sea ice concentration data in the Arctic via DART/CICE5 in the CESM1 (191872)
Yongfei Zhang1, Cecilia M Bitz2, Jeffrey L Anderson3, Nancy Collins3, Jonathan Hendricks3, Timothy J Hoar3 and Kevin Raeder3, (1)Univ of Washington, Seattle, WA, United States, (2)University of Washington, Atmospheric and Climate Science, Seattle, United States, (3)National Center for Atmospheric Research, Boulder, CO, United States
Bias Correction of Sea Ice Predictions via Contour Shifting (164778)
Hannah Director, University of Washington, Seattle, WA, United States, Adrian E Raftery, University of Washington, Department of Statistics and Sociology, Seattle, United States and Cecilia M Bitz, University of Washington, Seattle, Seattle, WA, United States
Sea ice effects in a spectral wave model: principles and practical implementation (122833)
Guillaume Boutin, Ifremer, LOPS, Brest, France, Fabrice Ardhuin, CNRS, Paris Cedex 16, France, Fanny Girard-Ardhuin, IFREMER, LOPS, Plouzané, France, Dany Dumont, University of Quebec at Rimouski UQAR, ISMER, Rimouski, QC, Canada and Caroline Sévigny, Université du Québec à Rimouski, ISMER, Physical Oceanography, Rimouski, QC, Canada
Changes in Arctic Sea Ice Thickness and Floe Size (185733)
Jinlun Zhang1, Axel J B Schweiger2, Harry L Stern III3 and Michael Steele2, (1)University of Washington, Seattle, WA, United States, (2)Applied Physics Laboratory University of Washington, Polar Science Center, Seattle, WA, United States, (3)Univ Washington, Seattle, United States
The Role of the Oceanic heat transport on Arctic Sea Ice change in the 20th Century (144372)
JinHo Yoon, Gwangju Institute of Science and Technology, Department of Environment and Energy Engineering, Gwangju, South Korea
Modeling Sea-Ice Thermodynamics Forced and Validated by Observations from a Cabled Arctic Observatory (191654)
Dr. Richard K Dewey, Ph.D., Steven F Mihaly and Ada Loewen, University of Victoria, Victoria, BC, Canada
Comparing Geophysical Methods for Determining the Thickness of Arctic Sea Ice: Is There a Correlation Between Thickness and Surface Temperature? (149744)
Ross Robertson1, Tyler "Jamal" Bowman1, Jordan Lynn Eagle1,2, Logan Fisher1, Katie Mankowski1, Nolan McGrady1, Nicholas Schrecongost1, Hans Voll1, Abdullah Zulfiqar1 and Rhett B Herman3, (1)Radford University, Radford, VA, United States, (2)Clemson University, Clemson, SC, United States, (3)Radford University, Physics, Radford, VA, United States
Autonomous Ice Mass Balance Observations for Changing Arctic Sea Ice Conditions (158339)
James Donald Whitlock1, Cameron Planck1, Donald K Perovich2, Jacqueline Richter-Menge3, Bruce C Elder4 and Chris Polashenski1, (1)Thayer School of Engineering,Dartmouth College, Hanover, NH, United States, (2)Dartmouth College, Thayer School of Engineering, Hanover, NH, United States, (3)US Arctic Research Commission & University of Alaska Fairbanks, Hanover, NH, United States, (4)USA CRREL, Hanover, NH, United States
The Annual Cycle of the Mass Balance of Arctic Sea Ice (157760)
Cameron Planck, Dartmouth College, Hanover, NH, United States, Donald K Perovich, Thayer School of Engineering,Dartmouth College, Hanover, NH, United States and Jacqueline Richter-Menge, US Arctic Research Commission & University of Alaska Fairbanks, Hanover, NH, United States
An Explanation for the Arctic Sea Ice Melt Pond Fractal Transition (126553)
Predrag Popovic, The University of Chicago, Chicago, IL, United States and Dorian S Abbot, University of Chicago, Geophysical Sciences, Chicago, IL, United States
Assessment of satellite-observed sea ice concentration and extent uncertainty estimates (175952)
Walter Meier, National Snow and Ice Data Center, CIRES, University of Colorado Boulder, Boulder, United States, Ludovic Brucker, NOAA NESDIS STAR & US National Ice Center (USNIC), Satellite Oceanography & Climatology Division, College Park, MD, United States, Jeffrey A Miller, KBRWyle, Houston, TX, United States and J Scott Stewart, National Snow and Ice Data Center, Boulder, United States
Automated connectionist-geostatistical classification as an approach to identify sea ice and land ice types, properties and provinces (192668)
Lukas R Goetz-Weiss, University of Colorado at Boulder, Boulder, CO, United States, Ute C Herzfeld, University Colorado Boulder, Geomathematics, Remote Sensing and Cryospheric Sciences Laboratory; Electrical, Computer and Energy Engineering, Boulder, United States, Thomas Trantow, University of Colorado at Boulder, ECEE, Boulder, CO, United States, Elizabeth Clare Hunke, Los Alamos National Laboratory, Los Alamos, United States, James A Maslanik, University of Colorado at Boulder, CCAR, Boulder, CO, United States and Roger Ian Crocker, National Ecological Observatory Network, Boulder, CO, United States

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