[MITgcm-support] Strange results from GAD diagnostics using SOM

Christopher L. Wolfe clwolfe at ucsd.edu
Tue Jan 8 16:10:35 EST 2008


Awesome. Thanks.

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Dr. Christopher L. Wolfe                   858-534-4560
Physical Oceanography Research Division    OAR 357
Scripps Institution of Oceanography, UCSD  clwolfe at ucsd.edu
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On Jan 8, 2008, at 12:11 PM, Jean-Michel Campin wrote:

> Hi Martin and Christopher,
>
> I've just changed the SOM advection S/R so that the output
> fluxes are no longer multiplied by the time-step.
> I checked rapidly that they look reasonable but did not
> try (yet) to close the budget with SOM advection scheme.
> Let me know if something else looks strange.
> Thanks,
> Jean-Michel
>
> On Tue, Jan 08, 2008 at 04:33:35PM +0100, Martin Losch wrote:
>> Christopher,
>>
>> by coincidence, the same problem you are having was encountered in
>> our lab today, which forced me to have closer look at
>> gad_som_adv_x.F. My conclusion from a rough scale analysis is that
>> the diagnostic ADVx/y/r_TH etc is multiplied by the (tracer) time-
>> step, so dividing your output by deltaTtracer, or if you don't have
>> that, by deltaT, should bring the values down to normal.
>>
>> Jean-Michel, can you fix this (if it is really the problem)? I don't
>> know this part of the code too well.
>>
>> Martin
>>
>> Martin Losch // Alfred-Wegener-Institut für Polar- und  
>> Meeresforschung
>> Postfach 120161, 27515 Bremerhaven, Germany
>> mailto:Martin.Losch at awi.de // Tel./Fax: ++49(471)4831-1872/1797
>> http://www.awi.de/People/show?mlosch
>>
>>
>>
>>
>>
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