Attributes {
    NC_GLOBAL {
        String title "MERRA2_GMI tavg24_3d_dat_Np: 3d,Daily,Time-Averaged,Pressure-Level,Replay,Daily Average Tracer Diagnostics";
        String Conventions "COARDS", "GrADS";
        String dataType "Grid";
        String history "Tue Oct 10 19:16:34 UTC 2023 : imported by GrADS Data Server 2.0";
        String extra_das_attribute "This is an example of metadata added using a supplementary DAS file. See testdata/extra.das for the source.";
    }
    var_co_50 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_co_50 ";
    }
    e90s {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "constant burden 90 day tracer 40s-pole emiss ";
    }
    sf6 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "sulfur hexaflouride ";
    }
    var_e90s {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_e90s ";
    }
    var_pb210 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_pb210 ";
    }
    var_ps {
        String units "Pa Pa";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_ps ";
    }
    aoa {
        String units "days";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "age-of-air ";
    }
    var_e90 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_e90 ";
    }
    ps {
        String units "Pa";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "surface_pressure ";
    }
    be7 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "beryllium-7 ";
    }
    var_nh_50 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_nh_50 ";
    }
    var_aoa {
        String units "days days";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_aoa ";
    }
    nh_5 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "northern hemisphere 5 day tracer ";
    }
    aoa_nh {
        String units "days";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "age of air northern hemisphere tracer ";
    }
    pb210 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "lead-210 ";
    }
    nh_50 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "northern hemisphere 50 day tracer ";
    }
    var_sto3 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_sto3 ";
    }
    var_nh_5 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_nh_5 ";
    }
    var_co_50_na {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_co_50_na ";
    }
    var_aoa_nh {
        String units "days days";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_aoa_nh ";
    }
    co_50_na {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "anthro co 50 day tracer north america ";
    }
    be10 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "beryllium-10 ";
    }
    var_sf6 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_sf6 ";
    }
    sto3 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "strat ozone w/ loss in troposphere ";
    }
    var_co_50_eu {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_co_50_eu ";
    }
    co_50_eu {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "anthro co 50 day tracer europe ";
    }
    e90 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "constant burden 90 day tracer ";
    }
    e90n {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "constant burden 90 day tracer 40n-pole emiss ";
    }
    var_st80_25 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_st80_25 ";
    }
    var_ch3i {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_ch3i ";
    }
    var_be10 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_be10 ";
    }
    co_25 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "anthro co 25 day tracer ";
    }
    co_50 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "anthro co 50 day tracer ";
    }
    co_50_sa {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "anthro co 50 day tracer south asia ";
    }
    rn222 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "radon-222 ";
    }
    var_rn222 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_rn222 ";
    }
    st80_25 {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "stratospheric source 25 day tracer ";
    }
    co_50_ea {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "anthro co 50 day tracer east asia ";
    }
    var_be7 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_be7 ";
    }
    var_co_50_sa {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_co_50_sa ";
    }
    ch3i {
        String units "mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "methyl iodide ";
    }
    var_e90n {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_e90n ";
    }
    var_co_50_ea {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_co_50_ea ";
    }
    var_co_25 {
        String units "mol mol-1 mol mol-1";
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "variance_of_co_25 ";
    }
    lon {
        String grads_dim "x";
        String grads_mapping "linear";
        String grads_size "576";
        String units "degrees_east";
        String long_name "longitude";
        Float64 minimum -180.00000000000;
        Float64 maximum 179.37500000000;
        Float32 resolution 0.625;
    }
    lat {
        String grads_dim "y";
        String grads_mapping "linear";
        String grads_size "361";
        String units "degrees_north";
        String long_name "latitude";
        Float64 minimum -90.00000000000;
        Float64 maximum 90.00000000000;
        Float32 resolution 0.5;
    }
    time {
        String grads_dim "t";
        String grads_mapping "linear";
        String grads_size "480";
        String grads_min "00z15jan1980";
        String grads_step "1mo";
        String units "days since 1-1-1 00:00:0.0";
        String long_name "time";
        String minimum "00z15jan1980";
        String maximum "00z15dec2019";
        Float32 resolution 30.436325;
    }
    lev {
        String grads_dim "z";
        String grads_mapping "levels";
        String units "millibar";
        String long_name "altitude";
        Float64 minimum 1000.00000000000;
        Float64 maximum 0.10000000000;
        Float32 resolution 23.253489;
    }
}