Attributes { co2_profile_apriori { String units "ppm"; String long_name "CO2 Apriori Profile"; Float32 missing_value -999999.000; } date { String long_name "Observation date and time matching fused or gridded value"; Int16 missing_value -9999; String description "The full date and time of the sounding in UTC, organized as [year,month,day,hour,minute,second,milliseconds]. This information is redundant with that from the time variable."; } inflation_factor_land { String long_name "Error inflation factor for Land "; String missing_value "-999999"; String description "The sum (elementwise) of the full prediction covariance matrix divided by the sum of the diagonals"; } inflation_factor_ocean { String long_name "Error inflation factor for Ocean "; String missing_value "-999999"; String description "The sum (elementwise) of the full prediction covariance matrix divided by the sum of the diagonals"; } latitude { String units "degrees_north"; String long_name "latitude"; } longitude { String units "degrees_east"; String long_name "longitude"; } precision_matrix_col_indices_land { String long_name "Column indices of sparse precision matrix for land predictions"; Int16 missing_value -9999; String description "Column indices of non-zero elements of the precision matrix for land predictions in dictionary of keys (DOK) format. Indices are 1-based"; } precision_matrix_col_indices_ocean { String long_name "Column indices of sparse precision matrix for ocean predictions"; Int16 missing_value -9999; String description "Column indices of non-zero elements of the precision matrix for ocean predictions in dictionary of keys (DOK) format. Indices are 1-based"; } precision_matrix_row_indices_land { String long_name "Row indices of sparse precision matrix for land predictions"; Int16 missing_value -9999; String description "Row indices of non-zero elements of the precision matrix for land predictions in dictionary of keys (DOK) format. Indices are 1-based"; } precision_matrix_row_indices_ocean { String long_name "Row indices of sparse precision matrix for ocean predictions"; Int16 missing_value -9999; String description "Row indices of non-zero elements of the precision matrix for ocean predictions in dictionary of keys (DOK) format. Indices are 1-based"; } precision_matrix_size_land { String long_name "Size of the sparse precision matrix for land predictions"; Int16 missing_value -9999; String description "The number of fusion grid points over land. This value is necessary to reconstruct the precision matrix from (row,column,value) tuples"; } precision_matrix_size_ocean { String long_name "Size of the sparse precision matrix for ocean predictions"; Int16 missing_value -9999; String description "The number of fusion grid points over ocean. This value is necessary to reconstruct the precision matrix from (row,column,value) tuples"; } precision_matrix_values_land { String units "1/ppm^2"; String long_name "Non-zero values of sparse precision matrix for land predictions"; Float32 missing_value -999999.000; String description "Values of non-zero elements of the precision matrix for land predictions in dictionary of keys (DOK) format. Indices are 1-based"; } precision_matrix_values_ocean { String units "1/ppm^2"; String long_name "Non-zero values of sparse precision matrix for ocean predictions"; Float32 missing_value -999999.000; String description "Values of non-zero elements of the precision matrix for ocean predictions in dictionary of keys (DOK) format. Indices are 1-based"; } pressure_levels { String units "hPa"; String long_name "Pressure_Levels"; Float32 missing_value -999999.000; String description "The atmospheric pressure level grid for each sounding in hPa."; } pressure_weight { String long_name "Pressure Weighting Function"; Float32 missing_value -999999.000; String description "The pressure weighting function on levels used in the retrieval."; } sif_740nm { String units "W/m^2/sr/\302\265m"; String long_name "Solar Induced Fluorescence at 740 nm"; Float32 missing_value -999999.000; String description "Solar induced chlorophyll fluorescence at retrieved wavelength: SIF_740"; } source_data_mode { String long_name "Indicator for the mode of data source (e.g., land, ocean, etc.)"; Int16 missing_value -1; String description "Land Only = 1, Ocean Only = 2, Land and Ocean = 3, Target = 4"; } time { String units "seconds since 1970-01-01 00:00:00"; String long_name "time"; Float64 missing_value -999999.0000000000; } xco2 { String units "ppm"; String long_name "Total column carbon dioxide"; Float32 missing_value -999999.000; } xco2_apriori { String units "ppm"; String long_name "A priori XCO2 Value"; Float32 missing_value -999999.000; } xco2_averaging_kernel { String long_name "XCO2 Column Averaging Kernel"; Float32 missing_value -999999.000; } xco2_uncertainty { String units "ppm"; String long_name "XCO2_Posterior_Error"; Float32 missing_value -999999.000; } levels { } NC_GLOBAL { String title "Multi-Instrument Fused Level 4 bias-corrected XCO2 and other select fields aggregated as Level 4 daily files V3"; String VersionID "3"; String ACOSDataVersion "v9"; String OCO2DataVersion "v10"; String ShortName "MultiInstrumentFusedXCO2"; String RangeBeginningDate "2017-11-17"; String RangeBeginningTime "00:12:02.631543"; String RangeEndingDate "2017-11-17"; String RangeEndingTime "23:13:49.414075"; String ProductionDateTime "2021-12-16 05:27:03.206819"; String IdentifierProductDOI "10.5067/ZS346LH1NTIS"; String IdentifierProductDOIAuthority "http://dx.doi.org/"; String GranuleID "MultiInstrumentFusedXCO2_20171117_v3_1639632423.nc"; String Format "netCDF"; String ProcessingLevel "4"; String Conventions "CF-1.9"; } }