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Effects of increased horizontal resolution in a simulation of the North Atlantic Ocean
Beckmann, A.; Böning, C.W.; Köberle, C.; Willebrand, J. (1994). Effects of increased horizontal resolution in a simulation of the North Atlantic Ocean. J. Phys. Oceanogr. 24(2): 326-344
In: Journal of Physical Oceanography. American Meteorological Society: Boston, etc.,. ISSN 0022-3670, more
Peer reviewed article  

Available in Authors 

Keywords
    Mesoscale features; Modelling; Oceanic eddies; Thermohaline circulation; Wind-driven circulation; A, North Atlantic [Marine Regions]; Marine

Authors  Top 
  • Beckmann, A.
  • Böning, C.W.
  • Köberle, C.
  • Willebrand, J.

Abstract
    Global mean and eddy fields from a four-year experiment with a 1/6° × 1/5° horizontal resolution implementation of the CME North Atlantic model are presented. The time-averaged wind-driven and thermohaline circulation in the model is compared to the results of a 1/3° × 2/5° model run in very similar configuration. In general, the higher resolution results are found to confirm that the resolution of previous CME experiments is sufficient to describe many features of the large-scale circulation and water mass distribution quite well. While the increased resolution does not lead to large changes in the mean flow patterns, the variability in the model is enhanced significantly. On the other hand, however, not all aspects of the circulation have improved with resolution. The Azores Current Frontal Zone with its variability in the eastern basin is still represented very poorly. Particular attention is also directed toward the unrealistic stationary anticyclones north of Cape Hatteras and in the Gulf of Mexico.

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