[Go-essp-tech] CMIP5 Grid

[Steve Hankin]

Hi Jacqueline,

Much of the ESGF (CMIP5) support team is involved in a technical meeting 
this week, so I'm stepping in from the side-lines to see if I can help 
you out.  I'll step aside if one of the ESGF help desk folks comes on-line.

Each of the models potentially defines its own unique grid, and 
depending upon the particulars of the grid there are easier or more 
arduous ways to get the data into a GIS environment.  Lets start with 
which datasets you are downloading from ESGF.  When I try a search on
         "plant functional types AND past1000"
from ESGF (using the node at PCMDI) I get four hits:  two from Max 
Plank, one from University of Tokyo and one from IPSL.  Are we on the 
same track?

If you have already downloaded an example netCDF file, then do you have 
the utility called "ncdump" available to you?  If so, I can help you 
forward starting at that point.  I'll wait to hear back from you before 
proceeding further.  Feel free to take this discussion offline at your 
discretion.

     - Steve Hankin
     (NOAA/Pacific Marine Environmental Laboratory)

===============================

On 11/26/2012 9:18 AM, Getson, Jacqueline M wrote:
>
> Good morning,
>
> I am wondering if you could help me identify the grid that the models 
> are being run on. Ultimately I need to assign pollen records (points) 
> to each grid cell.  I assume that I need some way to assign lat/lon 
> coordinates from the field to their appropriate grid cell. A GIS layer 
> is probably the easiest way to do this.  As an example, I have 
> downloaded past1000 PFT data and see that the files have lat/lon.  I 
> am not sure if the lat/long is on a regular grid or if these are grid 
> corners or centers?
>
> Any help you can provide in understanding/using the grid would be 
> greatly appreciated.
>
> Thanks,
>
> Jackie
>
> Jackie Getson-Hardiman
> Laboratory Manager
>
>
> Boston University
> Department of Earth and the Environment
>
> Stone Science Laboratory Room 457C
>
> 675 Commonwealth Ave
>
> Boston, MA 02215
>
>
>
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