Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
Geosci. Model Dev., 6, 929-960, 2013
http://www.geosci-model-dev.net/6/929/2013/
doi:10.5194/gmd-6-929-2013
© Author(s) 2013. This work is distributed
under the Creative Commons Attribution 3.0 License.
Model description paper
16 Jul 2013
The SURFEXv7.2 land and ocean surface platform for coupled or offline simulation of earth surface variables and fluxes
V. Masson1, P. Le Moigne1, E. Martin1, S. Faroux1, A. Alias1, R. Alkama1, S. Belamari1, A. Barbu1, A. Boone1, F. Bouyssel1, P. Brousseau1, E. Brun1, J.-C. Calvet1, D. Carrer1, B. Decharme1, C. Delire1, S. Donier1, K. Essaouini2, A.-L. Gibelin1,*, H. Giordani1, F. Habets3, M. Jidane2, G. Kerdraon1, E. Kourzeneva4,5, M. Lafaysse1, S. Lafont1, C. Lebeaupin Brossier1, A. Lemonsu1, J.-F. Mahfouf1, P. Marguinaud1, M. Mokhtari6, S. Morin1, G. Pigeon1, R. Salgado7, Y. Seity1, F. Taillefer1, G. Tanguy1, P. Tulet8, B. Vincendon1, V. Vionnet1, and A. Voldoire1 1CNRM/GAME, UMR3589, Météo-France, CNRS, Toulouse and Grenoble, France
2CNRM, Direction de la Météorologie nationale, Casablanca, Morocco
3UMR-SISYPHE, (UPMC, CNRS), Mines-Paristech, Centre de Géosciences, Fontainebleau, France
4Russian State Hydrometeorological University, Malookhtisky Pr., 98, 195196, Saint Petersburg, Russia
5Finnish Meteorological Institute, P.O. Box 503, 00101, Helsinki, Finland
6Office National de la Météorologie (ONM), Algiers, Algeria
7Centro de Geofisica de Evora, University of Evora, Evora, Portugal
8LACy, UMR8105, Université de La Réunion, CNRS, Météo-France, Saint-Denis, France
*now at: the Direction de la Climatologie, Météo-France, Toulouse, France
Abstract. SURFEX is a new externalized land and ocean surface platform that describes the surface fluxes and the evolution of four types of surfaces: nature, town, inland water and ocean. It is mostly based on pre-existing, well-validated scientific models that are continuously improved. The motivation for the building of SURFEX is to use strictly identical scientific models in a high range of applications in order to mutualise the research and development efforts. SURFEX can be run in offline mode (0-D or 2-D runs) or in coupled mode (from mesoscale models to numerical weather prediction and climate models). An assimilation mode is included for numerical weather prediction and monitoring. In addition to momentum, heat and water fluxes, SURFEX is able to simulate fluxes of carbon dioxide, chemical species, continental aerosols, sea salt and snow particles. The main principles of the organisation of the surface are described first. Then, a survey is made of the scientific module (including the coupling strategy). Finally, the main applications of the code are summarised. The validation work undertaken shows that replacing the pre-existing surface models by SURFEX in these applications is usually associated with improved skill, as the numerous scientific developments contained in this community code are used to good advantage.

Citation: Masson, V., Le Moigne, P., Martin, E., Faroux, S., Alias, A., Alkama, R., Belamari, S., Barbu, A., Boone, A., Bouyssel, F., Brousseau, P., Brun, E., Calvet, J.-C., Carrer, D., Decharme, B., Delire, C., Donier, S., Essaouini, K., Gibelin, A.-L., Giordani, H., Habets, F., Jidane, M., Kerdraon, G., Kourzeneva, E., Lafaysse, M., Lafont, S., Lebeaupin Brossier, C., Lemonsu, A., Mahfouf, J.-F., Marguinaud, P., Mokhtari, M., Morin, S., Pigeon, G., Salgado, R., Seity, Y., Taillefer, F., Tanguy, G., Tulet, P., Vincendon, B., Vionnet, V., and Voldoire, A.: The SURFEXv7.2 land and ocean surface platform for coupled or offline simulation of earth surface variables and fluxes, Geosci. Model Dev., 6, 929-960, doi:10.5194/gmd-6-929-2013, 2013.
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