GC21I:
Arctic Environmental Change: Local, Regional, Global Drivers and Impacts I

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Session ID#: 16628

Session Description:
The Arctic shattered records in the winter of 2016 with extreme heat and exceptionally low sea ice. Uncertainty persists about the roles of local and remote causes of Arctic warming, and how those factors may be influenced by natural and anthropogenic climate change. The interplay between Arctic warming and lower latitudes is increasingly recognized as the science community challenges long-held paradigms of Arctic climate drivers and responses. For example, the recent dramatic reductions in sea ice have prompted novel investigations into the distant controls on ice variability, such as the influence of tropical and mid-latitude variability on poleward heat transport. This session welcomes presentations of cutting-edge interdisciplinary research on drivers, feedbacks, and possible mechanisms linking the Arctic and global climate and ecology, which carries significant societal implications for natural resource management and climate adaptation. Presentations of ongoing international Arctic projects are also welcome.
Primary Convener:  John E Walsh, University of Alaska Fairbanks, Fairbanks, AK, United States
Conveners:  Hiroyasu Hasumi, AORI, Univ. of Tokyo, Kashiwa, Chiba, Japan, Dr. Teppei J Yasunari, PhD, Hokkaido University, Arctic Research Center, Sapporo, Japan and Jennifer Ann Francis, Woods Hole Research Center, Falmouth, MA, United States
Chairs:  Hiroyasu Hasumi, AORI, Univ. of Tokyo, Kashiwa, Chiba, Japan, John E Walsh, University of Alaska Fairbanks, Fairbanks, AK, United States and Dr. Teppei J Yasunari, PhD, Hokkaido University, Arctic Research Center, Sapporo, Japan
OSPA Liaison:  John E Walsh, University of Alaska Fairbanks, Fairbanks, AK, United States
Index Terms:

0750 Sea ice [CRYOSPHERE]
1610 Atmosphere [GLOBAL CHANGE]
1621 Cryospheric change [GLOBAL CHANGE]
1635 Oceans [GLOBAL CHANGE]

Abstracts Submitted to this Session:

The Long and Winding Road of Arctic Change Research (Invited) (126343)
Serreze Mark, University of Colorado at Boulder, Boulder, CO, United States
Decision Making For Sustainable Futures In A Rapidly Changing Arctic (Invited) (168635)
Ilan Chabay, Institute for Advanced Sustainability Studies, Potsdam, Germany
Arctic Indicators of Change (192442)
Diane Stanitski1, Matthew L Druckenmiller2, Florence M Fetterer2, Michael Gerst3, Janet M Intrieri4, Dr. Melissa A Kenney, PhD5, Walt Meier6, James E Overland7, Julienne Christine Stroeve8 and Sarah Trainor9, (1)NOAA, ESRL Global Monitoring Division, Boulder, CO, United States, (2)National Snow and Ice Data Center, Boulder, CO, United States, (3)University of Maryland College Park, College Park, MD, United States, (4)NOAA, ESRL Physical Sciences Division, Boulder, CO, United States, (5)University of Minnesota, Institute on the Environment, St. Paul, United States, (6)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (7)NOAA Seattle, Seattle, United States, (8)National Snow and Ice Data Center, CIRES University of Colorado, Boulder, CO, United States, (9)University of Alaska Fairbanks, Alaska Center for Climate Assessment and Preparedness, Fairbanks, United States
The dominant role of Arctic surface buoyancy fluxes for AMOC slow-down on multi-decadal timescales (128488)
Florian Sevellec, University of Southampton, Southampton, SO14, United Kingdom and Alexey V Fedorov, Yale University, New Haven, CT, United States
Impacts of sea ice / SST changes for the observed climate change -GREENICE project- (172608)
Fumiaki Ogawa1, Ho Nam Cheung2, Yongqi Gao3, Noel S Keenlyside4, Torben Koenigk5, Vladimir A. Semenov6, Lingling Suo3, Shuting Yang7, Tao Wang8, Martin Peter King9, Guillaume Gastineau10 and Sergey Gulev11, (1)University of Bergen and Bjerknes Centre for Climate Research, Bergen, Norway, (2)University of Bergen, Bergen, Norway, (3)Nansen Environmental and Remote Sensing Center, Bergen, Norway, (4)Geophysical Institute Bergen, Bergen, Norway, (5)Bolin Centre for Climate Research, Stockholm, Sweden, (6)A.M.Obukhov Institute of Atmospheric Physics RAS, Moscow, Russia, (7)Danish Meteorological Institute, National Centre for Climate Research, København Ø, Denmark, (8)Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (9)NORCE Norwegian Research Centre and Bjerknes Centre for Climate Research, Bergen, Norway, (10)Sorbonne-Universités, LOCEAN, CNRS/IRD/UPMC/MNHN, Paris, France, (11)Shirshov Institute of Oceanology, Moscow, Russia
On the Atmospheric Response Experiment to a Blue Arctic Ocean (169716)
Koji Yamazaki1, Tetsu Nakamura2, Meiji Honda3, Jinro Ukita3, Ralf Jaiser4, Doerthe Handorf4 and Klaus Dethloff4, (1)Hokkaido University, Sapporo, Japan, (2)Hokkaido University, Faculty of Environmental Earth Science, Sapporo, Japan, (3)Niigata University, Niigata, Japan, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany
Arctic vs. Tropical Influence and Over the Period of Arctic Amplification including Winter 2015/16 (122142)
Judah Levi Cohen, Atmospheric and Environmental Research Lexington, Lexington, MA, United States, Jennifer Ann Francis, Woods Hole Research Center, Falmouth, MA, United States and Karl Pfeiffer, AER Inc., Crozet, VA, United States
Warming in the Nordic Seas, North Atlantic Frankenstorms and thinning Arctic sea ice (167692)
Vladimir A Alexeev1, John E Walsh2, Vladimir Ivanov3, Vladimir A. Semenov4 and Alexander Smirnov3, (1)University of Alaska Fairbanks, Fairbanks, United States, (2)University of Alaska Fairbanks, Fairbanks, AK, United States, (3)Arctic and Antarctic Research Institute, St.Petersburg, Russia, (4)A.M.Obukhov Institute of Atmospheric Physics RAS, Moscow, Russia

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