Changes between Version 22 and Version 23 of GridConventions


Ignore:
Timestamp:
04/15/11 14:28:17 (7 years ago)
Author:
jacob
Comment:

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  • GridConventions

    v22 v23  
    134134The GCRM adds attributes such as "coordinates_cells", "coordinates_corners", and "coordinates_edges".   See an [https://svn.pnl.gov/gcrm/attachment/wiki/WikiStart/geodesic_enhanced.cdl example of the header from a GCRM netcdf file]. 
    135135 
     136The output from the HOMME version of CAM (on the cubed sphere) does not follow CF conventions but can, as option, add the same metdata the GCRM uses (this option is to support Visit). 
     137 
     138The output from HOMME is a 1D list of points for each horizontal level.  The points are all vertexes of quads (no cell centered data). 
     139{{{ 
     140dimensions: 
     141        ncol = 777602 ; 
     142        lev = 26 ; 
     143        ilev = 27 ; 
     144        time = UNLIMITED ; // (1 currently) 
     145 
     146        float CMFDQ(time, lev, ncol) ; 
     147                CMFDQ:units = "k" ; 
     148                CMFDQ:long_name = "Q " ; 
     149                CMFDQ:cell_methods = "time: mean" ; 
     150 
     151        double lev(lev) ; 
     152                lev:long_name = "hybrid level at midpoints (1000*(A+B))" ; 
     153                lev:units = "level " ; 
     154                lev:positive = "down" ; 
     155                lev:standard_name = "atmosphere_hybrid_sigma_pressure_coordinate" ; 
     156                lev:formula_terms = "a: hyam b: hybm p0: P0 ps: PS" ; 
     157        double time(time) ; 
     158                time:long_name = "time" ; 
     159                time:units = "days since 0000-11-01 00:00:00" ; 
     160                time:calendar = "noleap" ; 
     161                time:bounds = "time_bnds"  
     162        double lat(ncol) ; 
     163                lat:long_name = "latitude" ; 
     164                lat:units = "degrees_north" ; 
     165        double lon(ncol) ; 
     166                lon:long_name = "longitude" ; 
     167                lon:units = "degrees_east" ; 
     168}}} 
     169 
    136170== Gridspec == 
    137171