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Runoff scheme: HD Hagemann and Dümenil-Gates, 2003


2.

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2 Ocean and cryosphere

Ocean model

MPIOM 1.6.3

Horizontal resolutionTP04 (0.4°) on a tripolar grid
Vertical resolutionL40
Time step1 h
Sea ice modelThermodynamic and sea-ice dynamics
Sea ice model resolutionsame as ocean model
Sea ice model levelszero-layer model
Wave modelNA
Wave model resolutionNA

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Model dynamics perturbationsno
Model physics perturbationsatmosphere: perturbation of diffusion in uppermost layer

If there is a control forecast, is it perturbed?

unperturbed control forecast

Detailed documentation: Baehr et al. (2015)

5. Forecast system and hindcasts

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www.dwd.de/seasonalforecasts