[MITgcm-support] balancing the heat equation

[David Ferreira]

Hi,
If you turn on the diagnostics package, and run a couple of
of time steps, the model should spit out a file called 
"available_diagnostics.log" which, I think, has the list of all
available dignostics for your particular configuration.
Or are there some hidden diagnostics not written to this file ?
david



Martin Losch wrote:
> Hi Nicolas/Allison,
> 
> the safest way to find out what diagnostics are available is to have  a 
> look in the respective "diagnostics_init" files. The are usually:
> pkg/diagnostics/diagsnostics_init_main.F (for general stuff, e.g.  
> TOTTTEND)
> pkg/$pkg/$pkg_diagnostics_init.F
> so for all the advective and diffusive stuff you'd have to look in  
> pkg/generic_advdiff/gad_diagnostics_init.F (which is already a  counter 
> example to the about scheme, oh well).
> 
> Anyway, for checking the balance offline you'll find everything in  
> these two files except for the non-local transport of KPP. Since you  
> have all the other terms, you could assume that the residual is the  
> non-local transport of KPP. If you don't trust the MITgcm (shame on  you 
> (-:) then you'll have to do the modifications suggested earlier  in this 
> thread.
> 
> Martin
> 
> On 6 Sep 2007, at 22:59, Nicolas Wienders wrote:
> 
>>
>>> Hi Allison,
>>> without checking details in the code I would suggest that you use  
>>> the diagnostics package for diagnosing the different  contributions. 
>>> As far as I can see, the diagnostics are all  available:
>>> dT/dt:
>>>       diagName  = 'TOTTTEND'
>>>       diagTitle = 'Tendency of Potential Temperature'
>>> uTx/vTy/wTz: 'ADVx/y/r_TH '
>>> KTxx/yy/zz: 'DFx/y/rE_TH ' (and 'DFrI_TH ' for the implicit part  
>>> which is relevant for KPP)
>>
>>
>>
>> I didn't see the variable 'TOTTTEND' in the manual (pages 376-385)  
>> but could find it in the code.
>>
>> - Are some available variables missing in the package documentation  
>> (manual) ?
>>
>> - Has anyone done a complete Heat equation balance and in that case  
>> what diagnostics variables
>>    where you outputting?
>>
>> Thank you.
>>
>>
>>
>>
>>
>>
>> -- 
>>
>> Dr. Nicolas Wienders                      (850) 644-1987 (office)
>> Florida State University                              294-3542 (cell)
>> Oceanography - OSB415                          644-2581 (fax)
>> P.O. Box 3064320                      117 N. Woodward Avenue
>> Tallahassee, FL 32306-4320    wienders at ocean.fsu.edu
>>
>>
>>
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> 
> 
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