[MITgcm-support] external forcing input interpolation

[Patrick Heimbach]

Hi Nicolas,

a trivial example,
mapping 90x40x15 onto itself is in
verification/global_with_exf/input/data.exf

-p.

On Wed, 2006-08-23 at 15:17, Dimitris Menemenlis wrote:
> > 1- How is the interpolation in longitude done since there
> >      is no specification of the longitude range of the model
> >      grid in the "data" file (like there is in latitude by specifying
> >     phiMin)?
> 
> for longitude there is thetamin, which defaults to 0 if not specified
> 
> > 1.5- If i am correct and by checking the code, field_lon_inc
> >     and field_lat_inc can be negative, right?
> 
> I have never tried negative increments
> 
> > 2- I don't understand in the manual (page 299) and in the
> >     global_with_exf exemple, the value for hflux_lat_inc=39*4.
> > 
> >    Shouldn't that be just: hflux_lat_inc=4    ?
> > 
> >    Or if not, shouldn't we have hflux_lon_inc=89*4   ?
> 
> hflux_lat_inc is a vector, which allows variable meridional spacing of input grid
> 
> hflux_lon_inc is a scalar, that is, it assumes homogeneous zonal spacing of 
> input grid
> 
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-- 
Dr Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
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