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The global model GAME
The global model GAME
The Geophysical Fluids Modeling Framework (GAME) is a global hexagonal C-grid non-hydrostatic dynamical core. The aim is to combine the best aspects of ICON and MPAS.Aspect | ICON | MPAS | GAME |
---|---|---|---|
Hexagonal grid? | no | yes | yes |
Thuburn-constraint? | no | no | yes |
Energy-conserving? | no | almost | almost |
A very brief scientific overview of the model can be foundA more extensive theoretical derivation can be found in this German textbook.
Sample plots
Ullrich test
The Ullrich test is a standard test case for the adiabatic part of dynamical cores of global atmospheric models.![Ullrich test surface pressure after eight days](ullrich_sp+11520min.png)
![Ullrich test 850 hPa temperature after eight days](ullrich_temperature_850+11520min.png)
![Ullrich test 850 hPa relative vorticity after eight days](ullrich_rel_vort_850+11520min.png)
Held-Suarez test
The Held-Suarez testexamines a dynamical core's climatology under a very simple radiative forcing, which depends only on absolute latitude and height. The test is usually run for 1200 days, with the first 200 days being used as a spin-up period.![zonal mean of zonal wind of the Held-Saurez test](held_suarez.png)