[MITgcm-support] how to represent advective forcing

[Andrea Molod]

hi bill,
the routine 'external forcing' might be a better place to
add the forcing you propose (i assume that you are talking
about adding this 'vertical velocity forcing' in u,v,t and q
equations). for some guidance maybe you could
look at the routine itself (external_forcing.F) and at the
version of it that sits in the 'hs94.cs-32x32x5' verification
experiment (MITgcm/verification/hs94.cs-32x32x5/code/external_forcing.F).
that is a 'held-suarez' simulation, and the forcing is just a
relaxation back to a specified temperature profile.

hope this is useful.

andrea

On Wed, 7 Jun 2006, William Boos wrote:

> I am using the MIT GCM in 2D (latitude-height), and would like to represent a 
> dynamical forcing (such as a zonally propagating wave) passing through the 
> model.  My thought is to use a vertical velocity forcing in the advection 
> tendencies for temperature, humidity, and momentum.   Is there some standard 
> way to do this, or would I need to modify the advection code (e.g. specify my 
> applied vertical velocity in subroutines THERMODYNAMICS and 
> CALC_COMMON_FACTORS)?
>
> Or is there a better method for representing a full-field dynamical forcing?
>
> Regards,
> Bill Boos
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