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A modeling study of the North Atlantic with emphasis on the Greenland-Iceland-Norwegian Sea

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4 Author(s)
T. Aukrust ; IBM Bergen Environmental Sciences & Solutions Centre, Thormøhlensgate 55, N-5008, Norway ; J. M. Oberhuber ; E. J. Farrell ; P. M. Haugan

This essay presents the results of a modeling study that addresses the circulation and convection of ocean currents. A possible change in the global climate due to human-induced increase of atmospheric CO2 and other greenhouse gases is one of the major environmental challenges in our time. In order to get more insight into this problem, one needs to better understand the various components of the climate system and how they interact. Due to the large heat capacity of the global ocean, the magnitude, delay, and regional distribution of a potential global warming are to a large extent determined by exchanges of heat between the upper ocean and the world's deep ocean. An important process in this regard is deep water formation due to convection. The North Atlantic and the Greenland-Iceland-Norwegian Sea are particularly important regions for this process. Major parts of the circulation in this area are simulated by a coupled ice-ocean model that also includes the entire Arctic Ocean.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Systems Journal  (Volume:31 ,  Issue: 4 )