|Description||Longitude is positive eastward; its units of degree_east (or equivalent) indicate this explicitly. In a latitude-longitude system defined with respect to a rotated North Pole, the standard name of grid_longitude should be used instead of longitude. Grid longitude is positive in the grid-eastward direction, but its units should be plain degree.|
|AMIP code (Library of AMIP Data Transmission Standards)||longitude|
|GRIB code||not specified|
The parameter was taken from the NetCDF CF Metadata Convention.