[MITgcm-support] boundary condition on tracer

[Baylor Fox-Kemper]

Hi Joe,
   The model is doubly-reentrant, so the one side of the basin is both 
sides of the basin...
    Cheers,
     -Baylor



On Mar 31, 2005, at 3:25 AM, Joseph LaCasce wrote:

>
> Hello!
>
> I'm trying to understand how the boundary conditions are implemented 
> for
> a tracer in the model. Take a square basin with a flat bottom. It 
> looks like---
> in GAD_GRAD_X for instance---that no-heat flux is imposed on one side
> of the basin (the west?). But where is it imposed for the other 
> boundary?
>
> Thanks!
> Joe LaCasce
>
>      *DO* j 
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> <http://mitgcm.org/sealion/code_reference/vdb/names/333.htm>
>       dfx 
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> <http://mitgcm.org/sealion/code_reference/vdb/names/334.htm>,j 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8M.htm>*)*=0.
>       *DO* i 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8L.htm>=1-Olx 
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> <http://mitgcm.org/sealion/code_reference/vdb/names/106.htm>+Olx 
> <http://mitgcm.org/sealion/code_reference/vdb/names/334.htm>
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> <http://mitgcm.org/sealion/code_reference/vdb/names/8L.htm>,j 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8M.htm>*)* = 
> -diffKh 
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> <http://mitgcm.org/sealion/code_reference/vdb/names/EF.htm>*(*i 
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>     &      *_recip_dxC 
> <http://mitgcm.org/sealion/code_reference/vdb/names/3Z1.htm>*(*i 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8L.htm>,j 
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> <http://mitgcm.org/sealion/code_reference/vdb/names/85.htm>*)*
>     &      **(*Tracer 
> <http://mitgcm.org/sealion/code_reference/vdb/names/1UR.htm>*(*i 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8L.htm>,j 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8M.htm>*)*-Tracer 
> <http://mitgcm.org/sealion/code_reference/vdb/names/1UR.htm>*(*i 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8L.htm>-1,j 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8M.htm>*)**)*
>     &      *CosFacU 
> <http://mitgcm.org/sealion/code_reference/vdb/names/90L.htm>*(*j 
> <http://mitgcm.org/sealion/code_reference/vdb/names/8M.htm>,bi 
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> <http://mitgcm.org/sealion/code_reference/vdb/names/85.htm>*)*
>       *ENDDO*
>      *ENDDO*
>
>
> -- 
> J.H. LaCasce, Phone: +47 22 96 33 11; FAX: +47 22 69 63 55
> Norwegian Meteorological Institute, P.O. Box 43 Blindern, 0313 Oslo
> or (UPS) Niels Henrik Abelsvei 40, 0371 Oslo, Norway
> http://met.no/english/r_and_d_activities/people/josephhl.html
>
>
>
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