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| Titel |
The detailed snowpack scheme Crocus and its implementation in SURFEX v7.2 |
| VerfasserIn |
V. Vionnet, E. Brun, S. Morin, A. Boone, S. Faroux, P. Moigne, E. Martin, J.-M. Willemet |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1991-959X
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| Digitales Dokument |
URL |
| Erschienen |
In: Geoscientific Model Development ; 5, no. 3 ; Nr. 5, no. 3 (2012-05-24), S.773-791 |
| Datensatznummer |
250002616
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| Publikation (Nr.) |
 copernicus.org/gmd-5-773-2012.pdf |
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| Zusammenfassung |
| Detailed studies of snow cover processes require models that offer a fine
description of the snow cover properties. The detailed snowpack model Crocus
is such a scheme, and has been run operationally for avalanche forecasting
over the French mountains for 20 yr. It is also used for climate or
hydrological studies. To extend its potential applications, Crocus has been
recently integrated within the framework of the externalized surface module
SURFEX. SURFEX computes the exchanges of energy and mass between different
types of surface and the atmosphere. It includes in particular the land
surface scheme ISBA (Interactions between Soil, Biosphere, and Atmosphere).
It allows Crocus to be run either in stand-alone mode, using a time series of
forcing meteorological data or in fully coupled mode (explicit or fully
implicit numerics) with atmospheric models ranging from meso-scale models to
general circulation models. This approach also ensures a full coupling
between the snow cover and the soil beneath. Several applications of this new
simulation platform are presented. They range from a 1-D stand-alone
simulation (Col de Porte, France) to fully-distributed simulations in complex
terrain over a whole mountain range (Massif des
Grandes Rousses, France), or in coupled mode such as a surface energy balance and
boundary layer simulation over the East Antarctic Ice Sheet (Dome C). |
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