[MITgcm-support] bottom pressure diagnostics

[Jean-Michel Campin]

Hi Dimitris,

I would assume the same thing as you.
I will check when I am back from vacation.
Cheers,
Jean-Michel

On Thu, Feb 04, 2010 at 08:33:07AM -0800, Dimitris Menemenlis wrote:
> Jean-Michel, I will be very interested to hear your answer too.
> 
> Martin, up to now, I have always assumed that PHIBOT is the bottom pressure,
> specifically that PHIBOT in m^2/s^2 is the anomaly relative to Depth * rhonil * g
> so that the absolute bottom pressure in Pa is:
> Depth * rhonil * g + PHIBOT * rhonil
> 
> 6-hourly output of ETAN and PHIBOT is available for cube78 and cub81
> is available online and on skylla.
> 
> Dimitris
> 
> On Feb 4, 2010, at 8:00 AM, Martin Losch wrote:
> 
> > Hi Jean-Michel (and Dimitris),
> > 
> > we would like to cube78 or cube81 bottom pressure results. Can you confirm that for a time series of anomalies (in time) we need both PHIBOT and ETAN (for the linear free surface contribution):
> > 
> > bottom pressure = gravity*rhoConst*ETAN + PHIBOT/rhoConst (+terms that are constant in time)
> > 
> > From looking at calc_phi_hyd I gather, that the non-linear free surface contribution etaH is only included, when selectRstar=0, which is not the case in cube78/81, correct? But in diags_phi_rlow, it says in the head that phi_hyd_rlow is actually bottom pressure. I am confused.
> > 
> > Martin
> > 
> > 
> > _______________________________________________
> > MITgcm-support mailing list
> > MITgcm-support at mitgcm.org
> > http://mitgcm.org/mailman/listinfo/mitgcm-support
> 
> 
> _______________________________________________
> MITgcm-support mailing list
> MITgcm-support at mitgcm.org
> http://mitgcm.org/mailman/listinfo/mitgcm-support