[MITgcm-support] obcs/exf interactions
chris hill
cnh at mit.edu
Wed Oct 6 16:20:07 EDT 2004
I haven't seen anything like this before, but I would guess that it is
connected with OBCS. Would it be easy to do a simple perturbation
experiment starting from a stable stratification with no exf?
Chris
On Wed, 2004-10-06 at 14:27, Alistair Adcroft wrote:
> Resending msg:
>
> I've mostly sorted out this upgrade of Tom's experiment from
> ecco_c50_e29 to HEAD. The last problem has me puzzled - the attached
> figure is of (U,V) and the difference between the two versions of the
> model after just two steps using the same forcing/parameters.
>
> The straight line is hard to see in the original fields and I can't
> decide whether it comes from Tom's older code or is in the new model.
> The line does not line up with tile boundaries (black grid in last
> panel). The best I can determine is that the difference is something to
> do with exf prescribing the OBC values. Various permutations of code led
> me to this conclusion but I do not know which is right; I can only see
> the line when I do a difference of outputs.
>
> Anyone else seen a problem like this?
>
> A.
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