Global warming effects on the Arctic and Sub Arctic Seas

Jacques C.J. Nihoul

Modelenvironment, University of Li├Ęge, Sart Tilman, B-4000 Liege, Belgium, [email protected]

Abstract

After a rather hydrostatic approach to global warming (mean earth temperature increasing, ice melting, sea level raising) one came to realize that the effects of global warming were more of a hydrodynamic nature and that the ocean dynamics and its modifications in response to global warming constituted an essential factor. Taking into account the effect of global warming on ocean temperature distribution and currents contributed to a large extent to clarify the problem. The next step was obviously to include the effect of global warming on the atmospheric circulation. We would like to illustrate this point by briefly discussing the so-called North Atlantic Oscillation (NAO).

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