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An attempt to provide a rather comprehensive set of informations for newbies that start to use ORCHIDEE can be found here : http://orchidee-orme.extra.cea.fr/ if you are in LSCE (website available on the intranet).
You can get a copy to browse it on your own computer . Simply download it, uncompress and open the file doc_ORCHIDEE/index.html with your favorite browser :
(Please email
This e-mail address is being protected from spambots. You need JavaScript enabled to view it
This e-mail address is being protected from spambots. You need JavaScript enabled to view it if you are interested and are not within LSCE (it was not yet put on http://dods.ipsl.jussieu.fr/orchidee/ as it need to be validated by the orchidee-project group).
Model description for Branville 2008
This presentation (in french) gives the structure of the model and the future releases.
Model description for Trouville 2004
This presentation
(in french) gives the structure of the model and the future releases.
Some talks (in French) about ORCHIDEE (02/10/2003)
Gerhard Krinner : Global simulations with ORCHIDEE (pdf) , ppt
NicolasViovy : Validation of ORCHIDEE against fluxnet data (pdf) , ppt
Nathalie de Noblet : Focus on the dynamics of the vegetation (Western Europe) (pdf) , ppt
Rachid Benshila : Tools for simple diagnostics with ORCHIDEE (technical talk) (pdf) , ppt
A forward looking presentation of ORCHIDEE
This talk was given during the strategy meeting of the LMD held in Gurcy from the 11th to the 13th December 2000.
Description of the coding principles which guided ORCHIDEE
This presentation gives the structure in which ORCHIDEE was coded. The aim was to achieve a modular land-surface scheme which can be applied over a large range of spatial scles and which runs as well coupled as off-line. The interface to the atmosphere complies with the PILPS-4c standard and is documented on the PILPS Web pages.
A presentation given at international workshop on Technical Aspects of Future Sea-Ice-Ocean-Atmosphere-Biosphere Coupling organized by CERFACS and FUJITSU (Toulouse, 19-20 October 2000) might be of interest to understand the coupling of ORCHIDEE to the atmosphere.
Technical note on the STOMATE & LPJ model (Krinner 99)
This technical note gives the main equations used by STOMATE and LPJ. html version
Some documents which might give some guidance for using ORCHIDEE
The Input/Output of ORCHIDEE is done using the IOIPSL for which a description is available.
Some variables in the model represent complex processes and it is useful to have them clearly defined. A list of definitions is thus available. The model allows to choose from lists of variables which will be written to the history file. This is performed by choosing a history level between 0 for very few variables and 10 the most complete output list. The mechanism exists for the two componenets of ORCHIDEE : SECHIBA and STOMATE :
- The available lists of variables for the SECHIBA component
- The available lists of variables for the STOMATE componenet
A short list of publications
As ORCHIDEE is the marriage of SECHIBA and STOMATE all the older publications refer to either one of both models.
Ducoudé, N., Laval, K. and Perrier, A. (1993) SECHIBA, a new set of parametrizations of the hydrologic exchanges at the land/atmosphere interface within the LMD atmospheric general circulation model. Journal of Climate 2(9):248-273.
Polcher J., Laval, K., Dümenil, L., Lean, J., Rowntree, P.R. (1996) Comparing three land surface schemes used in GCMs. Journal of Hydrology 18:373-394.
Peylin, P., Polcher J., Bonan, G., Williamson, D., Laval, K. (1996) Comparison of two complex Land-Surface Schemes coupled to the NCAR-GCM J. Geophys. Res. 102:19,413-19,431.
Schulz, J.-P., L. Dümenil, J. Polcher, C. A. Schlosser, Y. Xue, (199 8) Land surface energy and moisture fluxes: comparing three models, J. Appl. Meteor. 37:288-307.
Ducharne, A. Laval, K. and Polcher, J. (1998) Sensitivity of the hydrological cycle to the parameterization of soil hydrology in a GCM. Climate Dynamics, 14, pp 307-327.
Polcher, J., McAvaney, B., Viterbo, P., Gaertner, M.-A., Hahmann, A., Mahfouf, J.-F., Noilhan, J., Phillips, T., Pitman, A.J., Schlosser, C.A., Schulz, J.-P., Timbal, B., Verseghy D., and Xue, Y. (1998) A proposal for a general interface between land-surface schemes and general circulation models. Global and Planetary Change , 19, pp 263-278.
De Rosnay, P. and Polcher J. (1998) Modeling root water uptake in a complex land surface scheme coupled to a GCM. Hydrology and Earth System Sciences 2(2-3):239-256.
Schulz, J.-P., Dümenil, L. and Polcher, J. (2000). On the land-surface/atmosphere coupling and its impact in a single column atmospheric model. J.of Applied Meteo. , in press
de Rosnay, P., Bruen, M. and Polcher, J., (2000). Sensitivity of the surface fluxes to the number of layers in the soil model used in GCMs. Geophys. Res. Lett. 27(20): 3329-3332.
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