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All-This provides an example of the different ways that an ensemble dimension can be used and that the CDM can handle. For Antonio's example, the dimension ordering is:
float tas(ensemble=5, time1=121, height=1, lat=126, lon=201);
:_CoordinateAxes = "ensemble time1 height lat lon ";
:standard_name = "air_temperature";
:long_name = "Surface air temperature";
:units = "Celsius";
with ensemble as the leftmost dimension
In the ensemble files I generate, they are:
float Total_precipitation(time=1, ens=11, lat=27, lon=51);
:_FillValue = 9999.0f; // float
:units = "kg m-2";
:long_name = "Total_precipitation_Accumulation (Accumulation for
Mixed Intervals) @ surface";
I put time in the leftmost dimension.The nice thing is that the CDM does not care! You can structure it according to your needs.
Don On 11/5/13 12:59 PM, Cofiño Gonzalez, Antonio Santiago wrote:
Roland, This is an example with Ensemble coordinate axis http://www.meteo.unican.es/thredds/catalog/WRFUC/2013110412/catalog.html?dataset=OPERWRF12DatasetScan/2013110412/oper_gfs_mgrama_2013110412_d02.ncml Antonio S. Cofiño Santander Meteorology Group University of Cantabria El 05/11/2013, a las 16:45, "Roland Schweitzer - NOAA Affiliate" <roland.schweitzer@xxxxxxxx <mailto:roland.schweitzer@xxxxxxxx>> escribió:Hi, I see hints in the Java netCDF API that it can understand a grid that has an ensemble axis. What's not clear to me is how one constructs a netCDF data source (either in the file or via some sort of TDS aggregation) that represents the ensemble. The CF conventions document doesn't seem say anything about ensembles. Google is failing me, can anybody offer some examples or documentation links for data sources with an ensemble axis? Thanks, Roland _______________________________________________ netcdf-java mailing list netcdf-java@xxxxxxxxxxxxxxxx <mailto:netcdf-java@xxxxxxxxxxxxxxxx> For list information or to unsubscribe, visit: http://www.unidata.ucar.edu/mailing_lists/_______________________________________________ netcdf-java mailing list netcdf-java@xxxxxxxxxxxxxxxx For list information or to unsubscribe, visit: http://www.unidata.ucar.edu/mailing_lists/
-- Don Murray NOAA/ESRL/PSD and CU-CIRES 303-497-3596 http://www.esrl.noaa.gov/psd/people/don.murray/
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