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Some aqua planet experiments looking at zonal wind and EKE at model top: /wiki/spaces/NGDNA/pages/1060077843
At NE256 (and probably higher) with EAM’s 72L configuration, the model is unstable and the sponge layer needs to be larger (but not stronger):
atm.log.* output:
V2 sponge layer with EAM’s 72L configuration, as a function of model level k
| Code Block |
|---|
sponge layer nu_top viscosity scaling factor
nu_scale_top 1 6.31593940963493
nu_scale_top 2 3.68438395258885
nu_scale_top 3 1.93067935592485
nu_scale_top 4 0.947489176847158
nu_scale_top 5 0.449005601189953
nu_scale_top 6 0.209135512288980
nlev_tom 6 |
V2 sponge layer with SCREAM’s 128L configuration, as a function of model level k
| Code Block |
|---|
sponge layer nu_top viscosity scaling factor
nu_scale_top 1 6.92938665202230
nu_scale_top 2 5.24308179845195
nu_scale_top 3 4.03996081024441
nu_scale_top 4 3.10359169059755
nu_scale_top 5 2.32272228570900
nu_scale_top 6 1.70442520504892
nu_scale_top 7 1.26207319730247
nu_scale_top 8 0.952199042385671
nu_scale_top 9 0.717276924434574
nu_scale_top 10 0.536309905915625
nu_scale_top 11 0.404311076629692
nu_scale_top 12 0.311695543485728
nu_scale_top 13 0.242880418339046
nu_scale_top 14 0.189128525227522
nlev_tom 14 |