Richardson-number mixing
The Pacanowski and Philander [PacanowskiPhilander] mixing scheme was developed primarily for use in tropical ocean and, although it is often used elsewhere in the global ocean, the user should be aware of the possible need to adjust its parameters ([Peters et al],[Gent]).
| &vmix_rich_nml | LANL default |
CESM1 default |
Richardson-number mixing (Pacanowski-Philander) |
|---|---|---|---|
| bckgrnd_vvc | 1.0 | 1.0 | background vertical viscosity (cm2/s) |
| bckgrnd_vdc | 0.1 | 0.1 | background vertical diffusivity (cm2/s) |
| rich_mix | 50.0 | 50.0 | coefficient for Richardson-number function |
| / |