[MITgcm-support] instantaneous density anomaly diagnostics

[Sergey Vinogradov]

Hello everyone,

I need to look at density anomaly instantaneous, not time-averaged, 
output (created in the same manner as Eta.*, T.*, etc in write_state.F, 
with specified dumpFreq).
1. Is there any way I can add the line into write_state.F such as 
something like CALL WRITE_FLD_XYZ_RL('RHOA.', suff, 
alphaRho,myIter,myThid) ?
If done as shown above, it does not know the variable alphaRho (or any 
other "rho-related" variable names) as it is not in the list of 
DYNVARS.h. So it gives an error.
2. My next option is to use RHOAnoma var in diagnostics pkg. In 
data.diagnostics, is it possible to specify the frequency(1) in a 
meaning of dumpFreq, not taveFreq, as I don't need time-averaging done? 
I can always set frequency(1)=1 and retain only files that correspond to 
dumpFreq but it is not very efficient approach.
3. I tried to include diagnostics pkg in my setup. It compiled ok but it 
didn't save any output that I specified in data.diagnostcics. I searched 
through our mailing list but I didn't see such problem being mentioned. 
I included data.diagnostics, changed data.pkg and packages.conf (all 
attached). Does anyone see the reason why it wouldn't do the output? 
(the standard output files are still created).

Thank you,

-- 
Sergey Vinogradov, Ph.D.,
Oceanography Group
Atmospheric and Environmental Research, Inc.
131 Hartwell Ave., Lexington, MA 02421, USA
Phone: 1-781-761-2256        sergey at aer.com
Fax:   1-781-761-2299    http://www.aer.com

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