Effects of increased horizontal resolution in a simulation of the North Atlantic Ocean.

Beckmann, Aike, Böning, Claus W. , Köberle, Cornelia and Willebrand, Jürgen (1994) Effects of increased horizontal resolution in a simulation of the North Atlantic Ocean. Open Access Journal of Physical Oceanography, 24 . pp. 326-344. DOI 10.1175/1520-0485(1994)024<0326:EOIHRI>2.0.CO;2.

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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.

Document Type: Article
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-TM Theory and Modeling
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1175/1520-0485(1994)024<0326:EOIHRI>2.0.CO;2
ISSN: 0022-3670
Date Deposited: 18 Feb 2008 17:27
Last Modified: 05 Apr 2018 11:58
URI: http://oceanrep.geomar.de/id/eprint/7731

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