[NARCCAP-discuss] Common Grid for NARCCAP?

[Ethan Bodnaruk]

Hi Seth,

Thanks so much for your help.  I'm just starting to take a look at your
code.  Originally I imagined a situation in which I have a location of
interest surrounded by 4 actual domain coordinates or grids.  A program
could take those 4 locations and interpolate to create data corresponding
to the desired location.

It looks like your program requires one input file plus the gridfile,
though.  So if I only want to regrid for one particular location (i.e. a
certain city) does the gridfile I feed your program just need to contain
the lat/lon of that one city?  Your code would then take the .nc file for
all of North America and find the closest locations to my lat/lon and do
the interpolation from there?  Is that how it would work?

Thanks so much!
Ethan

On Wed, Jun 19, 2013 at 4:44 PM, Seth McGinnis <mcginnis at ucar.edu> wrote:

> Hi Ethan,
>
> It regrids to whatever set of locations you've got in the gridfile.  It is
> a
> pretty slow program, and fewer output locations does go faster, so it's
> good to
> reduce it just to the specific locations you need if you can.
>
> Cheers,
>
> --Seth
>
>
>
> On Wed, 19 Jun 2013 15:42:36 -0400
>  Ethan Bodnaruk <ebodnaruk at gmail.com> wrote:
> >Hi Seth,
> >
> >Does your code regrid for the entire North America region or can it regrid
> >for just a specific location (which would be much faster I would think)?
> >
> >Thanks!
> >Ethan
> >
> >On Tue, Jun 18, 2013 at 7:30 PM, Seth McGinnis <mcginnis at ucar.edu> wrote:
> >
> >> Hi Darrin,
> >>
> >> I have been using kriging functions from the R library "fields" to
> regrid
> >> the
> >> data.  (Fancy interpolation methods like kriging preserve the spatial
> >> variability better than averaging-based methods like
> >> inverse-distance-weighting
> >> in mountainous and coastal regions.)
> >>
> >> You can find my code here:
> http://www.narccap.ucar.edu/contrib/tools/R/
> >>
> >> (I've regridded a bunch of time-average data for temp and precip, and
> have
> >> plans to publish it as part of the NARCCAP archive, but it's not quite
> >> polished
> >> enough to make it available to the general public just yet.)
> >>
> >> Cheers,
> >>
> >> --Seth
> >>
> >>
> >>
> >> On Fri, 14 Jun 2013 11:42:56 -0600
> >>  Darrin Sharp <dsharp at coas.oregonstate.edu> wrote:
> >> >What's the easiest way to put all the NARCCAP results on a common grid
> >> (i.e.
> >> >with the same lat/lon points for all the models)? Is there a tool
> >> specifically
> >> >for this? Has somebody already done it?
> >> >
> >> >Trying to avoid writing this code myself - I know I'm not the first
> >> person to
> >> >need this.
> >> >
> >> >-Darrin
> >> >
> >> >======================================
> >> >Darrin Sharp
> >> >Faculty Research Assistant
> >> >Oregon Climate Change Research Inst. (OCCRI)
> >> >dsharp at coas.oregonstate.edu
> >> >970-219-6713
> >> >
> >> >_______________________________________________
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> >>
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> >>
> >
> >
> >
> >--
> >Ethan Bodnaruk
> >M.S. Nuclear Engineering
> >Ph.D. Student, Ecological Engineering
> >Author, *Beyond Religion: Science and Spirituality Aligned*
> >www.ethanbodnaruk.com
> >_______________________________________________
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> >narccap-discuss at mailman.ucar.edu
> >http://mailman.ucar.edu/mailman/listinfo/narccap-discuss
>
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-- 
Ethan Bodnaruk
M.S. Nuclear Engineering
Ph.D. Student, Ecological Engineering
Author, *Beyond Religion: Science and Spirituality Aligned*
www.ethanbodnaruk.com