[MITgcm-support] heat flux at bottom

Jean-Michel Campin jmc at ocean.mit.edu
Mon Aug 18 11:01:16 EDT 2008

Hi Hilla,

I don't see a bottom heat flux in the present code (but this
has been used for geothermal heating, probably in a customized
version). It means you will have to modify the code.

To add a bottom heat flux, I would probably use "mypackage"
and modify/add things there:
(in mypackage_tendency_apply.F), to something like 
  IF ( k.EQ.kLowC(i,j,bi,bj) THEN 
   gT(i,j,k,bi,bj) = gT(i,j,k,bi,bj)
                   + bottomHeatFlux(i,j,bi,bj)*recip_Cp*mass2rUnit
where the IF is just testing if this level is the bottom level.
And you could even store bottomHeatFlux into one of myPacakge 2-D 
array (e.g., myPa_Surf1).

On Mon, Aug 18, 2008 at 05:01:06PM +0300, Hila Afargan wrote:
> Hi,
> I am looking for a way to impose a certain heat flux at the bottom,  
> rather than at the surface.
> What do you think will be the best way to try that?
> Is there a known way that will allow me to load heat flux forcing file  
> (same as surfQfile)?
> Thanks,
> Hilla
> -- 
> Hilla Afargan
> Department of Environmental Sciences,
> Weizmann Institute of Science,
> Rehovot,76100
> Israel
> Tel:+972-8-9344924
> Fax:+972-8-9344124
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