Format

The data files are in the netCDF-3 format and are compatible with the CF convention. It defines the meaning of attributes, the units, the coordinate variables.

The files are organized by variable, by day. 

Related file Naming and Structure information

• The subdirectories are the following:/FFF/RESOL/XXX/LL/YYYY/MM/name_file

• FFF: format (NC)
• RESOL: is the resolution:  native_resol
• XXX: is the temporal resolution (daily)
• LL: LL is the level type (SF for surface, ML for Model Level)
• YYYY: year
• MM: month 

• File names: NAME.MERRAID.YYYYMMDD.nc

• NAME: is the netcdf parameter name (see parameters lists)
• MERRAID: MERRA dataset name ID
• YYYYMMDD: date