[MITgcm-devel] seaice adjoint and EVP

[Jinlun Zhang]

Dimitris,
I used central differencing. Is it what you have been using?
Jinlun

Dimitris Menemenlis wrote:

> Jinlun, thank you for suggestion.  We've tried time steps down to 1 
> s.  So it must be something else.
>
> On a separate topic, your 2007 AOMIP paper re background vertical 
> diffusivity, what ocean advection scheme were you using.  An and I 
> find that reducing bacground vertical diffusivity in Arctic does not 
> change much, we suspect because background coefficient is swamped by 
> spurious numerical diffusivity from the advection scheme.
>
> D.
> _______________________________________________