Attributes { NC_GLOBAL { String title "GEOS-CF (Composition Forecast)"; String Conventions "COARDS", "GrADS"; String dataType "Grid"; String history "Sat Nov 29 21:04:51 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 "10z04aug2025"; String grads_step "60mn"; String units "days since 1-1-1 00:00:0.0"; String long_name "time"; String minimum "10z04aug2025"; String maximum "09z29nov2025"; Float32 resolution 0.041666668; } lev { String grads_dim "z"; String grads_mapping "levels"; String units "millibar"; String long_name "altitude"; Float64 minimum 1.00000000000; Float64 maximum 72.00000000000; Float32 resolution 1.0; } cl { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "atomic chlorine (cl, mw=35.45 g mol-1) mole fraction in dry air (mol mol-1) "; } h2o2 { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "hydrogen peroxide (h2o2, mw=34.02 g mol-1) mole fraction in dry air (mol mol-1) "; } ho2 { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "hydroperoxyl radical (ho2, mw=33.01 g mol-1) mole fraction in dry air (mol mol-1) "; } no3 { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "nitrate radical (no3, mw=62.01 g mol-1) mole fraction in dry air (mol mol-1) "; } o1d { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "excited atomic oxygen (1d) (o(1d), mw=16.0 g mol-1) mole fraction in dry air (mol mol-1) "; } oh { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "hydroxyl radical (oh, mw=17.01 g mol-1) mole fraction in dry air (mol mol-1) "; } oh_reactivity { Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "oh reactivity (s-1) "; } }