| title: | Multi-Instrument Fused Level 4 bias-corrected XCO2 and other select fields aggregated as Level 4 daily files V3 |
| VersionID: | 3 |
| ACOSDataVersion: | v9 |
| OCO2DataVersion: | v10 |
| ShortName: | MultiInstrumentFusedXCO2 |
| RangeBeginningDate: | 2018-08-31 |
| RangeBeginningTime: | 01:06:51.092105 |
| RangeEndingDate: | 2018-08-31 |
| RangeEndingTime: | 23:51:45.139027 |
| ProductionDateTime: | 2021-12-17 00:15:56.366458 |
| IdentifierProductDOI: | 10.5067/ZS346LH1NTIS |
| IdentifierProductDOIAuthority: | http://dx.doi.org/ |
| GranuleID: | MultiInstrumentFusedXCO2_20180831_v3_1639700156.nc |
| Format: | netCDF |
| ProcessingLevel: | 4 |
| Conventions: | CF-1.9 |
| co2_profile_apriori: | Grid units: ppm long_name: CO2 Apriori Profile missing_value: -999999.000
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| date: | Array of 16 bit Integers [time = 0..2045][epoch_dimension = 0..6] long_name: Observation date and time matching fused or gridded value missing_value: -9999 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. |
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| inflation_factor_land: | 32 bit Real long_name: Error inflation factor for Land missing_value: -999999 description: The sum (elementwise) of the full prediction covariance matrix divided by the sum of the diagonals |
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| inflation_factor_ocean: | 32 bit Real long_name: Error inflation factor for Ocean missing_value: -999999 description: The sum (elementwise) of the full prediction covariance matrix divided by the sum of the diagonals |
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| latitude: | Grid units: degrees_north long_name: latitude
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| longitude: | Grid units: degrees_east long_name: longitude
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| precision_matrix_col_indices_land: | Array of 16 bit Integers [land_dimension = 0..6097] long_name: Column indices of sparse precision matrix for land predictions missing_value: -9999 description: Column indices of non-zero elements of the precision matrix for land predictions in dictionary of keys (DOK) format. Indices are 1-based |
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| precision_matrix_col_indices_ocean: | Array of 16 bit Integers [ocean_dimension = 0..6553] long_name: Column indices of sparse precision matrix for ocean predictions missing_value: -9999 description: Column indices of non-zero elements of the precision matrix for ocean predictions in dictionary of keys (DOK) format. Indices are 1-based |
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| precision_matrix_row_indices_land: | Array of 16 bit Integers [land_dimension = 0..6097] long_name: Row indices of sparse precision matrix for land predictions missing_value: -9999 description: Row indices of non-zero elements of the precision matrix for land predictions in dictionary of keys (DOK) format. Indices are 1-based |
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| precision_matrix_row_indices_ocean: | Array of 16 bit Integers [ocean_dimension = 0..6553] long_name: Row indices of sparse precision matrix for ocean predictions missing_value: -9999 description: Row indices of non-zero elements of the precision matrix for ocean predictions in dictionary of keys (DOK) format. Indices are 1-based |
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| precision_matrix_size_land: | 16 bit Integer long_name: Size of the sparse precision matrix for land predictions missing_value: -9999 description: The number of fusion grid points over land. This value is necessary to reconstruct the precision matrix from (row,column,value) tuples |
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| precision_matrix_size_ocean: | 16 bit Integer long_name: Size of the sparse precision matrix for ocean predictions missing_value: -9999 description: The number of fusion grid points over ocean. This value is necessary to reconstruct the precision matrix from (row,column,value) tuples |
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| precision_matrix_values_land: | Array of 32 bit Reals [land_dimension = 0..6097] units: 1/ppm^2 long_name: Non-zero values of sparse precision matrix for land predictions missing_value: -999999.000 description: Values of non-zero elements of the precision matrix for land predictions in dictionary of keys (DOK) format. Indices are 1-based |
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| precision_matrix_values_ocean: | Array of 32 bit Reals [ocean_dimension = 0..6553] units: 1/ppm^2 long_name: Non-zero values of sparse precision matrix for ocean predictions missing_value: -999999.000 description: Values of non-zero elements of the precision matrix for ocean predictions in dictionary of keys (DOK) format. Indices are 1-based |
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| pressure_levels: | Grid units: hPa long_name: Pressure_Levels missing_value: -999999.000 description: The atmospheric pressure level grid for each sounding in hPa.
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| pressure_weight: | Grid long_name: Pressure Weighting Function missing_value: -999999.000 description: The pressure weighting function on levels used in the retrieval.
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| sif_740nm: | Grid units: W/m^2/sr/\302\265m long_name: Solar Induced Fluorescence at 740 nm missing_value: -999999.000 description: Solar induced chlorophyll fluorescence at retrieved wavelength: SIF_740
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| source_data_mode: | Grid long_name: Indicator for the mode of data source (e.g., land, ocean, etc.) missing_value: -1 description: Land Only = 1, Ocean Only = 2, Land and Ocean = 3, Target = 4
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| time: | Array of 64 bit Reals [time = 0..2045] units: seconds since 1970-01-01 00:00:00 long_name: time missing_value: -999999.0000000000 |
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| xco2: | Grid units: ppm long_name: Total column carbon dioxide missing_value: -999999.000
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| xco2_apriori: | Grid units: ppm long_name: A priori XCO2 Value missing_value: -999999.000
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| xco2_averaging_kernel: | Grid long_name: XCO2 Column Averaging Kernel missing_value: -999999.000
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| xco2_uncertainty: | Grid units: ppm long_name: XCO2_Posterior_Error missing_value: -999999.000
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| levels: | Array of 16 bit Integers [levels = 0..19] |