Attributes {
    NC_GLOBAL {
        String title "GEOS-CF (Composition Forecast)";
        String Conventions "COARDS", "GrADS";
        String dataType "Grid";
        String history "Sat Nov 29 21:04:52 UTC 2025 : 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.";
    }
    lon {
        String grads_dim "x";
        String grads_mapping "linear";
        String grads_size "1440";
        String units "degrees_east";
        String long_name "longitude";
        Float64 minimum -180.00000000000;
        Float64 maximum 179.75000000000;
        Float32 resolution 0.25;
    }
    lat {
        String grads_dim "y";
        String grads_mapping "linear";
        String grads_size "721";
        String units "degrees_north";
        String long_name "latitude";
        Float64 minimum -90.00000000000;
        Float64 maximum 90.00000000000;
        Float32 resolution 0.25;
    }
    time {
        String grads_dim "t";
        String grads_mapping "linear";
        String grads_size "2808";
        String grads_min "09:30z04aug2025";
        String grads_step "60mn";
        String units "days since 1-1-1 00:00:0.0";
        String long_name "time";
        String minimum "09:30z04aug2025";
        String maximum "08:30z29nov2025";
        Float32 resolution 0.041666668;
    }
    aod550_bc {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "aerosol optical depth at 550 nm of black carbon aerosols (1) ";
    }
    aod550_dust {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "aerosol optical depth at 550 nm of dust aerosols (1) ";
    }
    aod550_oc {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "aerosol optical depth at 550 nm of organic aerosols (1) ";
    }
    aod550_psc {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "aerosol optical depth at 550 nm of polar stratospheric cloud (1) ";
    }
    aod550_sla {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "aerosol optical depth at 550 nm of stratospheric liquid aerosols (1) ";
    }
    aod550_sna {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "aerosol optical depth at 550 nm of sulfate-nitrate-ammonium aerosols (1) ";
    }
    aod550_ss {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "aerosol optical depth at 550 nm of sea salt aerosols (1) ";
    }
    cosz {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "cosine_of_the_solar_zenith_angle (1) ";
    }
    pblcol_no2 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "boundary layer column density of nitrogen dioxide (mw=46.01 g mol-1) (1.0e15 molec cm-2) ";
    }
    pblcol_o3 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "boundary layer column density of ozone (mw=48.0 g mol-1) (1.0e15 molec cm-2) ";
    }
    pblcol_so2 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "boundary layer column density of sulfur dioxide (mw=64.04 g mol-1) (1.0e15 molec cm-2) ";
    }
    totcol_bro {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "total column density of bromine monoxide (mw=95.9 g mol-1) (1.0e15 molec cm-2) ";
    }
    totcol_co {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "total column density of carbon monoxide (mw=28.01 g mol-1) (1.0e15 molec cm-2) ";
    }
    totcol_io {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "total column density of iodine monoxide (mw=206.9 g mol-1) (1.0e15 molec cm-2) ";
    }
    totcol_no2 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "total column density of nitrogen dioxide (mw=46.01 g mol-1) (1.0e15 molec cm-2) ";
    }
    totcol_o3 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "total column density of ozone (mw=48.0 g mol-1) (dobsons) ";
    }
    totcol_so2 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "total column density of so2 sulfur dioxide (mw=64.04 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_bro {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of bromine monoxide (mw=95.9 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_co {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of carbon monoxide (mw=28.01 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_glyx {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of glyoxal (mw=58.04 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_hcho {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of formaldehyde (mw=30.03 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_hcooh {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of formic acid (mw=46.03 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_io {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of iodine monoxide (mw=206.9 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_isop {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of isoprene (mw=100.13 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_nh3 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of ammonia (mw=17.04 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_no2 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of nitrogen dioxide (mw=46.01 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_o3 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of ozone (mw=48.0 g mol-1) (dobsons) ";
    }
    tropcol_pan {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of peroxyacetyl nitrate (mw=121.06 g mol-1) (1.0e15 molec cm-2) ";
    }
    tropcol_so2 {
        Float32 _FillValue 1.0E15;
        Float32 missing_value 1.0E15;
        String long_name "tropospheric column density of sulfur dioxide (mw=64.04 g mol-1) (1.0e15 molec cm-2) ";
    }
}