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Model intercomparison in the Mediterranean: the MedMEx simulations of the seasonal cycle

Model intercomparison in the Mediterranean: the MedMEx simulations of the seasonal cycle
Model intercomparison in the Mediterranean: the MedMEx simulations of the seasonal cycle
The simulation of the seasonal cycle in the Mediterranean by several primitive equation models is presented. All models were forced with the same atmospheric data, which consists in either a monthly averaged wind-stress with sea surface relaxation towards monthly mean sea surface temperature and salinity fields, or by daily variable European Centre for Medium Range Weather Forecast (ECMWF) reanalysed wind-stress and heat fluxes. In both situations models used the same grid resolution. Results of the modelling show that the model behaviour is similar when the most sensitive parameter, vertical diffusion, is calibrated properly. It is shown that an unrealistic climatic drift must be expected when using monthly averaged forcing functions. When using daily forcings, drifts are modified and more variability observed, but when performing an EOF analysis of the sea surface temperature, it is shown that the basic cycle, represented similarly by the models, consists of the seasonal cycle which accounts for more than 90% of its variability.
Mediterranean, MEDMEX, Seasonal cycle
0924-7963
215-251
Beckers, J-M.
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Rixen, M.
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Brasseur, P.
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Brankart, J-M.
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Elmoussaoui, A.
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Crépon, M.
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Martel, F.
0099f431-817b-4376-9b31-ea4dfb3e6990
Van den Berghe, F.
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Mortier, L.
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Lascaratos, A.
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Drakopoulos, P.
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Korres, G.
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Nittis, K.
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Pinardi, N.
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Masetti, E.
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Castellari, S.
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Carini, P.
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Tintore, J.
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Alvarez, A.
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Monserrat, S.
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Parrilla, D.
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Vautard, R.
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Speich, S.
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Beckers, J-M.
e91ff44d-d233-43fd-aeae-120636c52884
Rixen, M.
e15b7917-e295-4ba7-a825-a7680cf5a0f8
Brasseur, P.
c17bd634-05e8-46dd-beb2-2425d70aac28
Brankart, J-M.
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Elmoussaoui, A.
da9b43c9-5c08-4863-b55d-016d03a47ad2
Crépon, M.
f2018426-b8ef-4c91-8727-91477c090cfa
Martel, F.
0099f431-817b-4376-9b31-ea4dfb3e6990
Van den Berghe, F.
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Mortier, L.
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Lascaratos, A.
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Drakopoulos, P.
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Korres, G.
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Nittis, K.
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Pinardi, N.
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Masetti, E.
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Castellari, S.
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Carini, P.
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Tintore, J.
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Alvarez, A.
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Monserrat, S.
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Parrilla, D.
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Vautard, R.
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Speich, S.
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Beckers, J-M., Rixen, M., Brasseur, P., Brankart, J-M., Elmoussaoui, A., Crépon, M., Martel, F., Van den Berghe, F., Mortier, L., Lascaratos, A., Drakopoulos, P., Korres, G., Nittis, K., Pinardi, N., Masetti, E., Castellari, S., Carini, P., Tintore, J., Alvarez, A., Monserrat, S., Parrilla, D., Vautard, R. and Speich, S. (2002) Model intercomparison in the Mediterranean: the MedMEx simulations of the seasonal cycle. Journal of Marine Systems, 33-34, 215-251. (doi:10.1016/S0924-7963(02)00060-X).

Record type: Article

Abstract

The simulation of the seasonal cycle in the Mediterranean by several primitive equation models is presented. All models were forced with the same atmospheric data, which consists in either a monthly averaged wind-stress with sea surface relaxation towards monthly mean sea surface temperature and salinity fields, or by daily variable European Centre for Medium Range Weather Forecast (ECMWF) reanalysed wind-stress and heat fluxes. In both situations models used the same grid resolution. Results of the modelling show that the model behaviour is similar when the most sensitive parameter, vertical diffusion, is calibrated properly. It is shown that an unrealistic climatic drift must be expected when using monthly averaged forcing functions. When using daily forcings, drifts are modified and more variability observed, but when performing an EOF analysis of the sea surface temperature, it is shown that the basic cycle, represented similarly by the models, consists of the seasonal cycle which accounts for more than 90% of its variability.

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More information

Published date: 1 June 2002
Keywords: Mediterranean, MEDMEX, Seasonal cycle

Identifiers

Local EPrints ID: 55504
URI: http://eprints.soton.ac.uk/id/eprint/55504
ISSN: 0924-7963
PURE UUID: d0c2b190-f69c-460e-814c-b7343943d1e8

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Date deposited: 31 Jul 2008
Last modified: 13 Mar 2019 20:36

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Contributors

Author: J-M. Beckers
Author: M. Rixen
Author: P. Brasseur
Author: J-M. Brankart
Author: A. Elmoussaoui
Author: M. Crépon
Author: F. Martel
Author: F. Van den Berghe
Author: L. Mortier
Author: A. Lascaratos
Author: P. Drakopoulos
Author: G. Korres
Author: K. Nittis
Author: N. Pinardi
Author: E. Masetti
Author: S. Castellari
Author: P. Carini
Author: J. Tintore
Author: A. Alvarez
Author: S. Monserrat
Author: D. Parrilla
Author: R. Vautard
Author: S. Speich

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