HE23A:
North Atlantic-Nordic Seas-Arctic Ocean Heat Exchanges: Processes and Impacts I


Session ID#: 37013

Session Description:
Exchange flows between the subpolar North Atlantic and the Arctic Ocean via the Nordic Seas are key components of the global climate system. The southward deep overflows feed the abyssal limb of the Atlantic Meridional Overturning Circulation affecting global climate, and the northward heat transport by the Atlantic Water affects Arctic sea ice and land ice cover, ecosystems, European weather and global climate. While knowledge of the magnitude of these fluxes and of their driving mechanisms are key to predicting changes on both the Atlantic and the Arctic sides, the processes and timescales involved are poorly understood.

This session invites contributions that address any of the exchange flows, their driving mechanisms, and downstream impacts of changes on either the Atlantic or the Arctic side. It aims to bring together observational, theoretical and numerical work on issues including but not limited to dynamics and kinematics of the regional ocean circulation, local and remote impacts of changes in oceanic heat transports on the atmosphere, sea ice, marine terminating glaciers, and biogeochemistry, and their linkages and predictability.

Primary Chair:  Renske Gelderloos, Johns Hopkins University, Baltimore, MD, United States
Co-chairs:  Céline Heuzé, University of Gothenburg, Gothenburg, Sweden, Marius Årthun, Bjerknes Centre for Climate Research, Bergen, Norway and Kerstin Jochumsen, University of Hamburg, Institute of Oceanography, Hamburg, Germany
Moderators:  Céline Heuzé, University of Gothenburg, Gothenburg, Sweden and Marius Årthun, Bjerknes Centre for Climate Research, Bergen, Norway
Student Paper Review Liaison:  Kerstin Jochumsen, University of Hamburg, Institute of Oceanography, Hamburg, Germany
Index Terms:

4504 Air/sea interactions [OCEANOGRAPHY: PHYSICAL]
4513 Decadal ocean variability [OCEANOGRAPHY: PHYSICAL]
4568 Turbulence, diffusion, and mixing processes [OCEANOGRAPHY: PHYSICAL]
4594 Instruments and techniques [OCEANOGRAPHY: PHYSICAL]
Cross-Topics:
  • PL - Physical Oceanography: Mesoscale and Larger
  • PS - Physical Oceanography: Mesoscale and Smaller

Abstracts Submitted to this Session:

Quantifying entrainment along the descending path of the Denmark Strait overflow (304271)
Ryan P North, Kerstin Jochumsen and Martin Moritz, University of Hamburg, Institute of Oceanography, Hamburg, Germany
Annual, Decadal and Seasonal Variability and Trends of the Upper Layer Circulation in the Nordic Seas inferred from Heat, Freshwater and Potential Energy of the Last Century (322673)
Catherine Drinkorn, University of Gothenburg, Gothenburg, Sweden and Göran M Björk, Göteborg University, Se-405 30 Göteborg, Sweden
Wind-Forced Exchanges Across the Greenland-Scotland Ridge (313405)
Carina Bringedal1, Tor Eldevik1, Oeystein Skagseth2 and Michael A Spall3, (1)Geophysical Institute, University of Bergen and Bjerknes Centre for Climate Research, Bergen, Norway, (2)Insititute for Marine Research, and Bjerknes Centre for Climate Research, Bergen, Norway, (3)WHOI, Woods Hole, MA, United States

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