[MITgcm-support] noise in high resolution run

Nicolas Wienders wienders at ocean.fsu.edu
Wed Apr 5 12:12:57 EDT 2006

On Apr 5, 2006, at 10:39 AM, Baylor Fox-Kemper wrote:

> Hi Nicolas,
>   Things to try:
>   1) You are using no_slip_sides=.false., it seems from your  
> velocity fields.  Might be interesting to try .true. This will  
> change the solutions dramatically, but if it gets rid of the noise  
> then we know where to look.
>   2) Try usejamartwetpoints=.true.  This may help your w field near  
> walls...
>   3) You might try different advection schemes for tracers, too.  
> There have been some issues of 'digging' near boundaries with some  
> of the schemes.  I personally like tempadvscheme=33 and  
> saltadvscheme=33.  This may make diagnosis a bit more difficult but  
> will reduce certain kinds of 'noise'.
>   Hope that helps,
>     -Baylor

Hello Baylor, Thanks a lot for your help.
I was already using no_slip_sides=.true.
but i will try your 2) and 3) right now.
Thanks a lot again.

More information about the MITgcm-support mailing list