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Detailed documentation:
ECHAM6: Stevens et al., 2013
Soil scheme: Hagemann and Stacke, 2014
...
Detailed documentation:
MPIOM: Jungclaus et al., 2013
3. Initialization and initial condition (IC) perturbations
...
| Hindcast | Forecast | ||
|---|---|---|---|
| Atmosphere initialization | ERA-Interim | IFS-Analyses | |
| Atmosphere IC perturbations | perturbation of diffusion in uppermost layer | none | noneperturbation of diffusion in uppermost layer |
Land Initialization | indirect via atmosphere initialization | indirect via atmosphere initialization | |
| Land IC perturbations | none | none | |
| Soil moisture initialization | indirect via atmosphere initialization | indirect via atmosphere initialization | |
| Snow initialization | indirect via atmosphere initialization | indirect via atmosphere initialization | |
| Unperturbed control forecast? | yes | yes |
Detailed documentation:
More DA details?
Data assimilation method for control analysis:
Horizontal and vertical resolution of perturbations: T42L91 SVs+ T399L137 EDA perturbations
Perturbations in +/- pairs: Yes
3.2 Ocean and cryosphere
| Hindcast | Forecast | |
|---|---|---|
| Ocean initialization | ORAS5 | ORAS5 |
| Ocean IC perturbations | bred vectors add small disturbances to the global three-dimensional ocean temperature and salinity fields | bred vectors add small disturbances to the global three-dimensional ocean temperature and salinity fields |
| Unperturbed control forecast? | yes | yes |
Detailed documentation:
GCFS ocean data assimilation: Baehr & Piontek, 2014
More ocean data assimilation details?
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| Model dynamics perturbations | no |
|---|---|
| Model physics perturbations | atmosphere: perturbation of diffusion in uppermost layer |
If there is a control forecast, is it perturbed? | unperturbed control forecast |
5. Forecast system and hindcasts
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7. Where to find more information