Attributes { X { String standard_name "longitude"; Float32 pointwidth 1.0; Int32 gridtype 1; String units "degree_east"; } Y { String standard_name "latitude"; Float32 pointwidth 1.0; Int32 gridtype 0; String units "degree_north"; } mask { String long_name "Land-Sea Mask"; Int32 expires 1297036800; String units "unitless"; } NC_GLOBAL { String Conventions "IRIDL"; } }