Attributes { ISTA { String long_name "ISTA"; Int32 gridtype 2; String units "ids"; } IZ { String long_name "IZ"; Float32 pointwidth 1.0; Int32 gridtype 0; String units "unitless"; } AOU { String long_name "apparent oxygen utilization"; String units "micromole/kg"; Float32 missing_value NaN; } NC_GLOBAL { String Conventions "IRIDL"; } }