Attributes {
    Z {
        String long_name "Depth";
        Int32 gridtype 0;
        String units "m";
    }
    Z_01 {
        String long_name "Depth";
        Int32 gridtype 0;
        String units "m";
    }
    Z_02 {
        Int32 gridtype 0;
        String units "m";
    }
    T {
        String long_name "time";
        Int32 gridtype 0;
        String units "kya";
    }
    Z_03 {
        String long_name "Depth";
        Int32 gridtype 0;
        String units "m";
    }
    T_01 {
        String long_name "age";
        Float32 pointwidth 100.0;
        Int32 gridtype 0;
        String units "years before present";
    }
    ch4 {
        Float32 missing_value -99.999901;
        String long_name "methane";
        String history "noaa ftp site";
        String units "ppbv";
    }
    CO2{
        gas_age {
            Float32 missing_value -99.999901;
            String units "kya";
            String long_name "Gas Age";
            String history " noaa ftp site";
        }
        ice_age {
            Float32 missing_value -99.999901;
            String units "kya";
            String long_name "Ice Age";
            String history " noaa ftp site";
        }
        max {
            Float32 missing_value -99.999901;
            String units "ppmv";
            String long_name "carbon dioxide maximum";
            String history "noaa ftp site";
        }
        mean {
            Float32 missing_value -99.999901;
            String units "ppmv";
            String long_name "carbon dioxide";
            String history "noaa ftp site";
        }
        min {
            Float32 missing_value -99.999901;
            String units "ppmv";
            String long_name "carbon dioxide minimum";
            String history "noaa ftp site";
        }
    }
    deuterium {
        String units "unitless";
    }
    dstflx {
        Float32 missing_value -99.999901;
        String long_name "dust flux";
        String history "noaa ftp site";
        String units "mg m-2 a-1";
    }
    dstvlm {
        Float32 missing_value -99.999901;
        String long_name "dust volume: insoluble microparticles";
        String history "noaa ftp site";
        String units "10-9cm3g-1";
    }
    gas_age {
        String units "kya";
        String long_name "Gas Age";
        Float32 file_missing_value -99.999901;
        Float32 missing_value NaN;
        String history " noaa ftp site", "Z regridded on ICE CORE VOSTOK gas_age";
    }
    ice_age {
        String units "kya";
        String long_name "Ice Age";
        Float32 file_missing_value -99.999901;
        Float32 missing_value NaN;
        String history " noaa ftp site", "Z regridded on ICE CORE VOSTOK ice_age";
    }
    temp {
        String long_name "temperature difference from present";
        String units "Celsius_scale";
    }
NC_GLOBAL {
    String iridl:hasSemantics "iridl:CNRS";
    String Conventions "IRIDL";
    String references "Jouzel_etal1987 Petit_etal1990";
    String CO2.long_name "$@ CO sub 2$";
}
}