[MITgcm-support] Buoyancy anomaly

[Jody Klymak]

Hi Martin,

On Mar 22, 2007, at 1:45 AM, Martin Losch wrote:

>
> 1. I am not sure, if you are looking at the appropriate  
> diagnostics. the density anomaly for a linear equation of state is
> rho-rhoConst = rhoNil*tAlpha*(theta(i,j,k,bi,bj)-tRef(k))
> Your stratification is the vertical gradient of this.  I believe  
> the diagnostic for  this is:
>       diagName  = 'DRHODR  '
>       diagTitle = 'Stratification: d.Sigma/dr (kg/m3/r_unit)'
>       diagUnits = 'kg/m^4

I'm sorry, but I'm not sure what you are saying here.  Are you saying  
the diagnostic that Lee was plotting was the gradient of the density  
anomaly \rho'?

\rho' = \rho-\rho0-rho_ref(z)?

i.e. d\rho/dz -d\rho_ref/dz?

That would jibe with your equation above.  Otherwise, I'm a little  
confused.

Thanks a lot for any clarification,

Cheers, Jody


--
Jody Klymak
http://web.uvic.ca/~jklymak/