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Please use this identifier to cite or link to this item: http://hdl.handle.net/1956/424

Title: Description and evaluation of the Bergen climate model: ARPEGE coupled with MICOM
Authors: Furevik, T.
Bentsen, M.
Drange, H.
Kindem, I. K. T.
Kvamstø, N. G.
Sorteberg, A.
Issue Date: Jul-2003
Publisher: Springer
Series/Report no.: Climate Dynamics;21
Abstract: A new coupled atmosphere–ocean–sea ice model has been developed, named the Bergen Climate Model (BCM). It consists of the atmospheric model ARPEGE/IFS, together with a global version of the ocean model MICOM including a dynamic–thermodynamic sea ice model. The coupling between the two models uses the OASIS software package. The new model concept is described, and results from a 300-year control integration is evaluated against observational data. In BCM, both the atmosphere and the ocean components use grids which can be irregular and have non-matching coastlines. Much effort has been put into the development of optimal interpolation schemes between the models, in particular the non-trivial problem of flux conservation in the coastal areas. A flux adjustment technique has been applied to the heat and fresh-water fluxes. There is, however, a weak drift in global mean sea-surface temperature (SST) and sea-surface salinity (SSS) of respectively 0.1 °C and 0.02 psu per century. The model g...
URI: http://hdl.handle.net/1956/424
ISSN: 1432-0894
0930-7575
Appears in Collections:Eprints by the Geophysical Institute

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