Re: U.S. shapefiles

Hi Keith,

not sure if this is going to help you. I have a .ncl script that
generates a mask for the timezones across
the US. It checks for each gridpoint which timezone the gridpoint is in,
the timezones come from a shapefile.

It seems to me if you have a shapefile that has all the states in it (
http://www.nationalatlas.gov/atlasftp.html#statep0 ) it may be possible
to adjust my script for your purpose. You can generate mask files for
the different regions using the states shapefile instead of the
timezones I was using.

Hope this helps,
Maria

On 11/08/2013 11:59 AM, Keith Oleson wrote:
> Hi Dave,
>
> They are borders on state lines.
> I've attached a figure from Peterson et al. 2013 BAMS showing the
> regions.
>
> Thanks,
>
> Keith
>
> On 11/8/2013 11:54 AM, David Brown wrote:
>> Hi Keith,
>> Is there a picture of the regions somewhere? Are the borders on state
>> lines or are they aligned with more natural climate-type boundaries?
>> -dave
>>
>>
>> On Nov 8, 2013, at 10:51 AM, Keith Oleson <oleson@ucar.edu> wrote:
>>
>>> Hi,
>>>
>>> Does anyone know where I might be able to get shapefiles (compatible
>>> with NCL) for the USGCRP regions used for, e.g., the National Climate
>>> Assessment report. There are eight regions (Alaska, Northwest,
>>> Southwest, Great Plains North, Great Plains South, Midwest, Southeast,
>>> Northwest).
>>>
>>> Or if someone knows of a way to join the states shapefiles into regions
>>> (http://www.ncl.ucar.edu/Applications/shapefiles.shtml), that would
>>> work
>>> also.
>>>
>>> Thanks,
>>>
>>> Keith
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>
>
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-- 
Maria Gehne
Postdoctoral Fellow
NCAR/CGD/CAS
P.O. Box 3000
Boulder, CO 80307

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