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2.1 Atmosphere and land surface
| Model | ARPEGE v6.2 SURFEX v8.1 |
|---|---|
| Horizontal resolution and grid | TL359; 0.5° reduced Gauss grid |
| Atmosphere vertical resolution | 91 layers |
| Top of atmosphere | top layer above 0.2 Pa hPa |
| Soil levels | 14 layers |
| Time step | 7.5 min |
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Soil model (SURFEX) http://www.umr-cnrm.fr/surfex//IMG/pdf/surfex_scidoc_v8.1.pdf
2.
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2 Ocean and cryosphere
| Ocean model | NEMO v3.4 |
|---|---|
| Horizontal resolution | 1° ORCA grid |
| Vertical resolution | 75 levels |
| Time step | 30 min |
| Sea ice model | GELATO v6 |
| Sea ice model resolution | 1° ORCA grid |
| Sea ice model levels | 9 (+1 for snow) |
| Wave model | None |
| Wave model resolution | NA |
Detailed documentation: NEMO documentation
3. Initialization and initial condition (IC) perturbations
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Detailed documentation:Batté, L. and Déqué, M., 2016: Randomly correcting model errors in the ARPEGE-Climate v6. 1 component of CNRM-CM: applications for seasonal forecasts, Geoscientific Model Development,9, 2055-2076, doi:10.5194/gmd-9-2055-2016
5. Forecast system and hindcasts
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