Physics
Scientific paper
Jun 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997georl..24.1507g&link_type=abstract
Geophysical Research Letters, Volume 24, Issue 12, p. 1507-1510
Physics
17
Oceanography: Physical: Ice Mechanics And Air/Sea/Ice Exchange Processes, Oceanography: Physical: General Or Miscellaneous
Scientific paper
Numerical experiments are conducted with a global ice-ocean model in order to evaluate the influence of the water flow from the Arctic Ocean to Baffin Bay through the Canadian Archipelago on the water-mass properties of the Arctic Ocean and adjacent seas and, more generally, on the global ocean circulation. The results indicate that this flow plays a significant role in controlling the freshwater budget of the Arctic Ocean. When the Canadian Archipelago passage is open in the model, the Arctic pycnocline experiences a noticeable increase in salinity. Furthermore, the flow of relatively fresh Arctic waters through the passage yields a pronounced decrease of surface salinity and density in the Labrador Sea, which leads to a diminution of convective activity there. As a result, the North Atlantic Deep Water outflow in the model is reduced by about 5%. Deep convection in the Norwegian Sea exhibits almost no change, and this despite a weakening of the inflow of relatively fresh Arctic waters through Fram Strait.
Campin Jean-Michel
Fichefet Thierry
Goosse Hugues
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