[MITgcm-devel] pkg/layers verification exp.

[Martin Losch]

OK, it's not exactly urgent anyway.

Martin

On Jan 8, 2013, at 11:33 PM, Jean-Michel Campin <jmc at ocean.mit.edu> wrote:

> Hi Ryan and others,
> 
> Will start to make changes in cfc_example to add a pkg/layers test
> (working with David on this).
> Will need to make few changes in pkg/layers so that it compiles
> in this set-up.
> Martin, if you can postpone your changes until this is done,
> it will make things easier.
> 
> Cheers,
> Jean-Michel
> 
> On Tue, Jan 08, 2013 at 11:25:32AM -0500, Ryan Abernathey wrote:
>> I am not super familiar with these experiments, but I think the cfc_example
>> is a better choice. What would really be ideal is an eddying experiment,
>> but this is probably not practical for the daily test reports. Certainly an
>> experiment with a realistic stratification and overturning is a necessity.
>> Someone else (Martin / David / Ross / Jean-Michel) would probably be better
>> than me at setting this up. The fact is that I don't run realistic global
>> models. I am still stuck in a channel with no salinity! Layers has evolved
>> quite a bit beyond my original setup.
>> 
>> A nice accompaniment to this would be some real documentation. I have
>> promised to work on this for quite some time, but it's one of those things
>> that is hard to prioritize. ;)
>> 
>> I have many ambitions for the future of layers. For example, I would love
>> to be able to accumulate all the tracer-budget diagnostics that are filled
>> in gad_advection.F in layer space. This would permit, for example, the
>> online calculation of water mass transformation with an unprecedented level
>> of precision. I am very glad that all you numerical wizards are getting
>> involved because I will need your help to go down that road! The final
>> step, the momentum budget in layer space, is pretty intimidating. And at
>> that point you are probably better off just running GOLD. ;)
>> 
>> Cheers,
>> Ryan
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> On Mon, Jan 7, 2013 at 9:46 AM, Jean-Michel Campin <jmc at ocean.mit.edu>wrote:
>> 
>>> Hi Ryan, David, Martin and others,
>>> 
>>> In response to Martin's concern about having an example that uses
>>> pkg/layers,
>>> I would propose to turn it on in one of the verification experiment.
>>> 
>>> Right now, it's already compiled in exp4, but given the simple
>>> T,S structure (+ only 8 levels) of this experiment, I was wondering
>>> if we should rather pick an other experiment, may be a realistic set-up ?
>>> 
>>> In term of realistic set-up, I would propose cfc_example, 2.8 x 2.8 global
>>> with 15 levels, starting from a pickup.
>>> It is not too complicated (does not test too many critical features),
>>> and also adding pkg/layers will not make it less clear the "cfc example"
>>> part,
>>> I think.
>>> 
>>> But if exp4 is good enough to test pkg/layers, could just go with this one.
>>> 
>>> What do you think ?
>>> 
>>> Cheers,
>>> Jean-Michel
>>> 
>>> _______________________________________________
>>> MITgcm-devel mailing list
>>> MITgcm-devel at mitgcm.org
>>> http://mitgcm.org/mailman/listinfo/mitgcm-devel
>>> 
> 
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> 
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