C34A:
Arctic Sea Ice Cover in Decline: Impacts on the Interactions in the Atmosphere-Snow-Ice-Ocean Ecosystem I

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Session ID#: 17529

Session Description:
The Arctic sea ice cover is transforming from thicker perennial ice to a thinner seasonal ice pack. There is a significant need to understand the ongoing changes in the sea ice cover and its effects on the interaction between atmosphere-snow-ice-ocean and effects on the marine ecosystem, to be able to predict future changes. This session intends to provide an inter-disciplinary forum for researchers working on observations and models to understand the ongoing changes. We solicit submission from recent Arctic studies that include inter-disciplinary aspects involving multiple components of the Artic Ocean system and improves our process-level understanding in the thinner sea ice regime. Such key processes include, changes in ocean heat, stratification and mixing, solar radiation, cloud properties, and effects on primary production. Studies setting recent conditions in context, of e.g. the SHEBA experiment, in modeling studies or utilizing re-analysis data are also welcomed.
Primary Convener:  Dr. Mats A Granskog, PhD, Norwegian Polar Institute, Fram Centre, Tromsø, Norway
Conveners:  Marcel Nicolaus, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, Von Patrick Walden, Washington State University, Pullman, WA, United States and Lars Henrik Smedsrud, Bjerknes Centre for Climate Research, Bergen, Norway; Geophysical Institute, University of Bergen and Bjerknes Centre for Climate Research, Bergen, Norway
Chairs:  Von Patrick Walden, Washington State University, Pullman, WA, United States and Dr. Mats A Granskog, PhD, Norwegian Polar Institute, Fram Centre, Tromsø, Norway
OSPA Liaison:  Von Patrick Walden, Washington State University, Pullman, WA, United States
Co-Organized with:
Ocean Sciences, Global Environmental Change, Ocean Sciences, Biogeosciences, and Atmospheric Sciences

Cross-Listed:
  • A - Atmospheric Sciences
  • B - Biogeosciences
  • GC - Global Environmental Change
  • OS - Ocean Sciences

Proposed Co-Organized Session with:
  • A - Atmospheric Sciences
  • B - Biogeosciences
  • GC - Global Environmental Change
  • OS - Ocean Sciences
Index Terms:

0750 Sea ice [CRYOSPHERE]
3349 Polar meteorology [ATMOSPHERIC PROCESSES]
4207 Arctic and Antarctic oceanography [OCEANOGRAPHY: GENERAL]
4805 Biogeochemical cycles, processes, and modeling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]

Abstracts Submitted to this Session:

The Phenology of Arctic Ocean Surface Warming (132359)
Michael Steele, Applied Physics Laboratory University of Washington, Polar Science Center, Seattle, WA, United States and Suzanne Dickinson, Univ Washington, Seattle, WA, United States
The impact of short-term heat storage on the ice-albedo feedback loop (151943)
Chris Polashenski1,2, Nicholas Wright2, Donald K Perovich2,3, Arnold Song3 and Elias J Deeb4, (1)USACE-CRREL, Alaska Projects Office, Ft. Wainwright, United States, (2)Thayer School of Engineering,Dartmouth College, Hanover, NH, United States, (3)CRREL, Hanover, NH, United States, (4)U.S. Army Corps of Engineers, Cold Regions Research and Engineering Laboratory, Hanover, United States
Arctic Ocean Productivity: Now and Towards an Ice-Free Future (144607)
Jon Lawrence1, Katya Popova2, Andrew Yool2 and Meric A Srokosz3, (1)School of Ocean and Earth Science, National Oceanography Centre, Southampton, United Kingdom, (2)National Oceanography Centre, Southampton, United Kingdom, (3)National Oceanography Center, Soton, Southampton, United Kingdom
Arctic Sea-Ice becomes more vulnerable: Thinning associated with 2016 lowest recorded winter ice extent (160061)
Robert Ricker1, Stefan Hendricks2, Marcel Nicolaus2, Lars Kaleschke3, Fanny Girard-Ardhuin4 and Camille Lique5, (1)IFREMER, Plouzané, France, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (3)University of Hamburg, Hamburg, Germany, (4)IFREMER, LOPS, Plouzané, France, (5)Laboratoire de Physique des Océans, Ifremer, Brest, France
A comparison of the two Arctic atmospheric winter states observed during N‑ICE2015 and SHEBA (154853)
Robert M. Graham1, Annette Rinke2, Lana Cohen1, Stephen R Hudson1, Von Patrick Walden3, Dr. Mats A Granskog, PhD4, Wolfgang Dorn5, Markus Kayser5 and Marion Maturilli5, (1)Norwegian Polar Institute, Tromsø, Norway, (2)Alfred Wegener Institute Helmholtz Center for Polar and Marine Research, Potsdam, Germany, (3)Washington State University, Pullman, WA, United States, (4)Norwegian Polar Institute, Fram Centre, Tromsø, Norway, (5)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany
Observations of snow-ice formation in a thinner Arctic sea ice regime during the N-ICE2015 campaign: influence of basal ice melt and storms (157645)
Christine Provost1, Nathalie Sennechael2, Polona Itkin3, Anja Rösel3, Zoé Koenig4, Nicolas Villacieros-Robineau4 and Dr. Mats A Granskog, PhD5, (1)LOCEAN, Paris Cedex 05, France, (2)LOCEAN, University Pierre and Marie Curie, PARIS, France, (3)Norwegian Polar Institute, Tromsø, Norway, (4)LOCEAN, University Pierre and Marie Curie, Paris, France, (5)Norwegian Polar Institute, Fram Centre, Tromsø, Norway
Six Months of Ocean Mixing Rates and Heat Flux in the Arctic North of Svalbard (140763)
Amelie Meyer1, Ilker Fer2, Algot Peterson3, Arild Sundfjord4 and Lars Henrik Smedsrud2, (1)Norwegian Polar Institute, Ocean and Sea Ice, Tromsø, Norway, (2)University of Bergen, Geophysical Institute, Bergen, Norway, (3)Bjerknes Centre for Climate Research, Bergen, Norway, (4)Norwegian Polar Institute, Tromso, Norway
Seasonal thickness changes of Arctic sea ice north of Svalbard and implications for satellite remote sensing, ecosystem, and environmental management (173477)
Sebastian Gerland1, Anja Rösel1, Jennifer King1, Gunnar Spreen2, Dmitry Divine1, Torbjørn Eltoft3, Jean-Charles Gallet1, Stephen R Hudson1, Polona Itkin1, Thomas Krumpen4, Glen E Liston5, Ioanna Merkouriadi1, Jean Negrel1, Marcel Nicolaus4, Chris Polashenski6, Phillip Assmy7, David G Barber8, Pedro Duarte7, Anthony P Doulgeris9, Christian Haas10, Nick Hughes11, Malin Johansson12, Walter Meier13, Donald K Perovich14, Christine Provost15, Jacqueline Richter-Menge14, Henriette Skourup16, Penelope Wagner11, Jeremy Wilkinson17, Dr. Mats A Granskog, PhD18 and Harald Steen1, (1)Norwegian Polar Institute, Tromsø, Norway, (2)University of Bremen, Institute of Environmental Physics, Bremen, Germany, (3)UiT – The Arctic University of Norway, Department of Physics and Technology, Tromso, Norway, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (5)Colorado State University, Cooperative Institute for Research in the Atmosphere (CIRA), Fort Collins, United States, (6)U.S. Army Cold Regions Research and Engineering Laboratory, Ft Wainwright, United States, (7)Norwegian Polar Institute, Biological Oceanography, Tromsø, Norway, (8)University of Manitoba, Winnipeg, MB, Canada, (9)The Arctic University of Norway, Tromsø, Norway, (10)York University, Toronto, ON, Canada, (11)Norwegian Meteorological Institute, Oslo, Norway, (12)UiT – The Arctic University of Norway, Tromsø, Norway, (13)National Snow and Ice Data Center, CIRES, University of Colorado Boulder, Boulder, United States, (14)U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH, United States, (15)LOCEAN, Paris Cedex 05, France, (16)National Space Institute, Copenhagen, Denmark, (17)NERC British Antarctic Survey, Cambridge, United Kingdom, (18)Norwegian Polar Institute, Fram Centre, Tromsø, Norway

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