[ncl-talk] vinth2p help

[Adam Phillips]

Hi Barbara,
To answer your PS query: PS is not normally given within the individual
variable files (U, V, for instance). You will need to download the PS files
separately.
Adam

On Mon, Jan 25, 2016 at 1:51 PM, Dennis Shea <shea at ucar.edu> wrote:

> As noted by GusC ... the following is incorrect.
>
> TonP = vinth2p(U(:,1,:,:),hyam,hybm,pnew,PS,interp,P0mb,1,extrap)  ?
>
>
> You are passing in only one vertical (hybrid) level. Interpolation
> requires multiple levels.
>
> For 'fun', try
>
>    printVarSummary(U(:1,:,:))
>
> What do you see? NCL will eliminate the "degenerate dimension".
> Regardless, you must enter multiple levels.
>
> I will make one correction to GusC's suggestion. As a rule, if you are
> referring to a full array, use U rather than for assorted reasons
>
> UonP = vinth2p(U,hyam,hybm,pnew,PS,interp,P0mb,1,extrap) ; pass a
> reference (pointer to the variable)
>
> Note: there are numerous examples
>
> http://www.ncl.ucar.edu
>
> Click 'Examples'
>
> On right side, click "Vertical Interpolation"
>
> Good Luck
>
> On Mon, Jan 25, 2016 at 12:49 PM, Gus Correa <gus at ldeo.columbia.edu>
> wrote:
> > Maybe using all of U's four dimensions (level included):
> >
> > UonP = vinth2p(U(:,:,:,:),hyam,hybm,pnew,PS,interp,P0mb,1,extrap)
> >
> > instead of:
> >
> > TonP = vinth2p(U(:,1,:,:),hyam,hybm,pnew,PS,interp,P0mb,1,extrap)  ?
> >
> >
> > On 01/25/2016 02:15 PM, Barbara Wortham wrote:
> >> Hello,
> >>
> >> I am working to convert the elevations in U and V files from the CESM
> >> LME dataset to pressure levels. I think I should be using vinth2p and
> >> attached is the code I am using. However, it seems like the variable PS
> >> can't be called upon in these files.
> >
> > Why?
> > Maybe it is in another file?
> > Or is it called "ps" instead of "PS"?
> >
> >> I was wondering if you had a
> >> suggestion for a surface pressure that is anchored in space that I could
> >> use for the conversion?
> >>
> >> Thanks, barbara
> >>
> >> --
> >> Barbara E. Wortham
> >> Graduate Student
> >> Boston College
> >> Department of Earth and Environmental Science
> >> Devlin 311
> >>
> >>
> >> _______________________________________________
> >> ncl-talk mailing list
> >> ncl-talk at ucar.edu
> >> List instructions, subscriber options, unsubscribe:
> >> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
> >>
> >
> > _______________________________________________
> > ncl-talk mailing list
> > ncl-talk at ucar.edu
> > List instructions, subscriber options, unsubscribe:
> > http://mailman.ucar.edu/mailman/listinfo/ncl-talk
> _______________________________________________
> ncl-talk mailing list
> ncl-talk at ucar.edu
> List instructions, subscriber options, unsubscribe:
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>



-- 
Adam Phillips
Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
www.cgd.ucar.edu/staff/asphilli/   303-497-1726

<http://www.cgd.ucar.edu/staff/asphilli>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20160125/8d3c0c5a/attachment.html