Attributes { IZ { String long_name "IZ"; Float32 pointwidth 1.0; Int32 gridtype 0; String units "unitless"; } ISTA { String long_name "ISTA"; Int32 gridtype 2; String units "ids"; } TCO2 { Float32 missing_value NaN; String long_name "total $@ CO sub 2$"; String units "micromole/kg"; } NC_GLOBAL { String Conventions "IRIDL"; } }