[MITgcm-support] MITgcm-support Digest, Vol 133, Issue 29

[Madeline Miller]

Hi Patrick,

Thanks! This is exactly what I was looking for; nothing more complicated
(yet).

Best,

Madeline


On Thu, Jul 24, 2014 at 12:00 PM, <mitgcm-support-request at mitgcm.org> wrote:

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> Today's Topics:
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>    1. Re: pkg for spatially variable vertical diffusivity
>       (Patrick Heimbach)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 24 Jul 2014 10:12:53 -0400
> From: Patrick Heimbach <heimbach at MIT.EDU>
> To: mitgcm-support at mitgcm.org
> Subject: Re: [MITgcm-support] pkg for spatially variable vertical
>         diffusivity
> Message-ID: <E0E1F24B-9220-44D4-8AF7-08499FCAFBEE at mit.edu>
> Content-Type: text/plain; charset="windows-1252"
>
>
> Hi Madeline,
>
> I suspect your question is more involved, but if, for a start, you just
> want to prescribe a spatially varying (time-mean) mixing field, all you
> need to do is:
>
> 1. compile model with
> #define ALLOW_3D_DIFFKR
> (in header file CPP_OPTIONS.h)
>
> 2. provide a 3-D mixing array: this file is read in ini_mixing.F
> and its filename is set in runtime parameter file data:
> in NAMELIST block PARM05 set
>  diffKrFile=?myfilename?,
>
> An example is in
> verification/cpl_atm2d+ocn/input_ocn/data
>
> Of course, things will get more involved once you plan to compute vertical
> mixing with your own scheme.
>
> Cheers
> -Patrick
>
> On Jul 24, 2014, at 9:45 AM, Madeline Miller <
> madelinemiller at fas.harvard.edu> wrote:
>
> > Hi folks,
> >
> > I'd like to run an experiment with spatially variable (fixed in time to
> start) vertical diffusion. As far as I can tell, this will require that I
> write a new pkg modeled after the various vertical mixing packages (kpp,
> ggl90, my82, pp80...).
> >
> > Am I right that I need to write new code, or is there already a way to
> read in vertical diffusivity from a file?
> >
> > Best,
> >
> > Madeline
> > _______________________________________________
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> > MITgcm-support at mitgcm.org
> > http://mitgcm.org/mailman/listinfo/mitgcm-support
>
>
> ---
> Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
> MIT | EAPS 54-1420 | 77 Massachusetts Ave | Cambridge MA 02139 USA
> FON +1-617-253-5259 | FAX +1-617-253-4464 | SKYPE patrick.heimbach
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