[MITgcm-support] How to diagnose the diapycnal diffusivity?

[yzb]

Thanks for you reply. Sorry for the confusion of my question. This is something I should have written more about the diapycnal diffusivity. The diffusivity I want to calculate is the diapycnal mixing ( ,unit is m^2/s), maybe can be regarded as eddy coefficient. I am not sure the  which is in the Gmredi pkg can be represented for it. There is a diagnostics option in Gmredi pkg which is called 'GM_VisbK' and this may be relate to my question.



------------------ Original ------------------
From:  "Martin Losch"<Martin.Losch at awi.de>;
Date:  Mon, Jul 16, 2018 07:35 PM
To:  "MITgcm Support"<mitgcm-support at mitgcm.org>;

Subject:  Re: [MITgcm-support] How to diagnose the diapycnal diffusivity?



Yang,

when you run your model with a default debugLevel (=1), then you’ll a file called “available_diagnostics.log”, that will show you all diagnostics for your particular configuration. If you have turned on GM (useGMredi=.TRUE. in data.pkg), then you the GM-diagnostics should be part of that list. I am not sure if there is a diagnostic for diapycnal diffusivity (do you mean diffusive flux?) …

Martin

> On 16. Jul 2018, at 11:12, yzb <853245241 at qq.com> wrote:
> 
> Hello,
> 
>      I want to diagnose the diapycnal diffusivity directly from model. But I don't know the diagnostic name of it. Could anyone tell me the diagnostic name? Meanwhile, I found the package of Gmredi may contain this diagnosis. If so, what's the diagnostic name in that package? 
> 
>     Thanks,
>     Yang
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