| IdentifierProductDOI: | 10.5067/AURA/OMI/DATA3010 |
| ProductGenerationAlgorithm: | OMHCHOd |
| RangeBeginningDate: | 2021-09-03 |
| ContactPersonName: | Kelly Chance |
| GranuleID: | OMI-Aura_L3-OMHCHOd_2021m0903_v003-2021m0904t062114.nc |
| RangeBeginningTime: | 00:00:00Z |
| RangeEndingTime: | 00:00:00Z |
| ContactPersonEmail: | kchange@cfa.harvard.edu |
| DataSetQuality: | OMHCHOd dataset has been computed after excluding level 2 observations with SZA > 70 and cloud fraction > 0.3 and including only the highest quality retrievals as characterized by the level 2 product quality flags. Further details can be found in the OMHCHOd.README file |
| ProcessingLevel: | Level 3 |
| VersionID: | 003 |
| IdentifierProductionDOIAuthority: | https://www.doi.org |
| references: | Sun et al., 2018 (https://doi.org/10.5194/amt-11-6679-2018),Gonzalez Abad et al., 2015 (https://doi.org/10.5194/amt-8-19-2015) |
| SouthernmostLatitude: | -90.00000000 |
| ContactPersonRole: | Lead algorithm scientist |
| ObservationArea: | Global |
| institution: | OMI SIPS |
| ProductionDateTime: | 2021m0904t062114Z |
| NorthernmostLatitude: | 90.00000000 |
| MaximumCloudFraction: | 0.3000000119 |
| ProductGenerationAlgorithmVersion: | 0.0.5 |
| LongitudeResolution: | 0.1000000015 |
| title: | OMI/Aura Formaldehyde (HCHO) Total Column Daily L3 Weighted Mean Global 0.1deg Lat/Lon Grid |
| MaximumSZA: | 70.00000000 |
| Format: | NetCDF-4 |
| EasternmostLongitude: | 180.0000000 |
| InputOriginalFile: | OMI-Aura_L2-OMHCHO_2021m0902t2240-o91142_v003-2021m0903t065449.he5,OMI-Aura_L2-OMHCHO_2021m0903t0018-o91143_v003-2021m0903t065326.he5,OMI-Aura_L2-OMHCHO_2021m0903t0157-o91144_v003-2021m0903t084801.he5,OMI-Aura_L2-OMHCHO_2021m0903t0336-o91145_v003-2021m0903t101525.he5,OMI-Aura_L2-OMHCHO_2021m0903t0515-o91146_v003-2021m0903t123054.he5,OMI-Aura_L2-OMHCHO_2021m0903t0654-o91147_v003-2021m0903t151830.he5,OMI-Aura_L2-OMHCHO_2021m0903t0833-o91148_v003-2021m0903t171637.he5,OMI-Aura_L2-OMHCHO_2021m0903t1012-o91149_v003-2021m0903t170214.he5,OMI-Aura_L2-OMHCHO_2021m0903t1151-o91150_v003-2021m0903t193044.he5,OMI-Aura_L2-OMHCHO_2021m0903t1329-o91151_v003-2021m0903t195545.he5,OMI-Aura_L2-OMHCHO_2021m0903t1508-o91152_v003-2021m0903t223451.he5,OMI-Aura_L2-OMHCHO_2021m0903t1647-o91153_v003-2021m0904t005312.he5,OMI-Aura_L2-OMHCHO_2021m0903t1826-o91154_v003-2021m0904t022300.he5,OMI-Aura_L2-OMHCHO_2021m0903t2005-o91155_v003-2021m0904t022253.he5,OMI-Aura_L2-OMHCHO_2021m0903t2144-o91156_v003-2021m0904t041106.he5,OMI-Aura_L2-OMHCHO_2021m0903t2323-o91157_v003-2021m0904t055511.he5 |
| Conventions: | CF-1.7 |
| source: | OMI |
| DayOfYear: | 246 |
| LatitudeResolution: | 0.1000000015 |
| LongName: | OMI/Aura Formaldehyde (HCHO) Total Column Daily L3 Weighted Mean Global 0.1deg Lat/Lon Grid |
| RangeEndingDate: | 2021-09-04 |
| ShortName: | OMHCHOd |
| WesternmostLongitude: | -180.0000000 |
| history: | 2021m0904t062114Z; Original file created by OMI SIPS |
| key_science_data_column_amount: | Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599] _FillValue: -1.000000015e+30 comment: mean formaldehyde column amount; units of molecules/cm^2 long_name: HCHO column amount units: molecules/cm^2 coordinates: longitude latitude _Storage: contiguous origname: column_amount fullnamepath: /key_science_data/column_amount |
| key_science_data_column_uncertainty: | Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599] _FillValue: -1.000000015e+30 comment: mean column amount uncertainty; units of molecules/cm^2 long_name: HCHO column uncertainty units: molecules/cm^2 coordinates: longitude latitude _Storage: contiguous origname: column_uncertainty fullnamepath: /key_science_data/column_uncertainty |
| support_data_albedo: | Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599] _FillValue: -1.000000015e+30 comment: surface albedo long_name: surface albedo units: 1 valid_min: 0.000000000 valid_max: 1.000000000 coordinates: longitude latitude _Storage: contiguous origname: albedo fullnamepath: /support_data/albedo |
| support_data_terrain_height: | Array of 16 bit Integers [latitude = 0..1799][longitude = 0..3599] _FillValue: -30000 comment: terrain height long_name: terrain height units: m valid_min: -1000 valid_max: 10000 coordinates: longitude latitude _Storage: contiguous origname: terrain_height fullnamepath: /support_data/terrain_height |
| support_data_cloud_fraction: | Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599] _FillValue: -1.000000015e+30 comment: cloud fraction for AMF calculation long_name: AMF cloud fraction units: 1 valid_min: 0.000000000 valid_max: 1.000000000 coordinates: longitude latitude _Storage: contiguous origname: cloud_fraction fullnamepath: /support_data/cloud_fraction |
| support_data_cloud_pressure: | Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599] _FillValue: -1.000000015e+30 comment: cloud pressure for AMF calculation long_name: AMF cloud pressure units: hPa valid_min: 0.000000000 valid_max: 1200.000000 coordinates: longitude latitude _Storage: contiguous origname: cloud_pressure fullnamepath: /support_data/cloud_pressure |
| support_data_amf: | Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599] _FillValue: -1.000000015e+30 comment: air mass factor (AMF) long_name: air mass factor units: 1 valid_min: 0.000000000 valid_max: 100.0000000 coordinates: longitude latitude _Storage: contiguous origname: amf fullnamepath: /support_data/amf |
| support_data_sample_weight: | Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599] _FillValue: -1.000000015e+30 comment: sample weight long_name: sample weight units: 1 valid_min: 0.000000000 coordinates: longitude latitude _Storage: contiguous origname: sample_weight fullnamepath: /support_data/sample_weight |
| qa_statistics_num_samples: | Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599] _FillValue: -1.000000000 comment: number of samples in the calculation considering the summed spatial sensitivity of all satellite pixels in each level 3 grid box long_name: number of samples units: 1 valid_min: 0.000000000 valid_max: 1000.000000 coordinates: longitude latitude _Storage: contiguous origname: num_samples fullnamepath: /qa_statistics/num_samples |
| qa_statistics_data_quality_flag: | Array of 16 bit Integers [latitude = 0..1799][longitude = 0..3599] _FillValue: 2 comment: main data quality flag. 0 (good, number of samples > 0.1)1 (good, number of samples < 0.1) 2 (bad / not computed) long_name: main data quality flag falg_values: 0, 1, 2 flag_meanings: good_number_of_samples_greater_than_0.1 good_number_of_samples_less_than_0.1 bad_or_not_computed valid_min: 0 valid_max: 2 coordinates: longitude latitude _Storage: contiguous origname: data_quality_flag fullnamepath: /qa_statistics/data_quality_flag |
| latitude: | Array of 32 bit Reals [latitude = 0..1799] _FillValue: -1.000000015e+30 comment: latitude at grid box center long_name: latitude units: degrees_north valid_min: -90.00000000 valid_max: 90.00000000 _Storage: contiguous origname: latitude fullnamepath: /latitude |
| longitude: | Array of 32 bit Reals [longitude = 0..3599] _FillValue: -1.000000015e+30 comment: longitude at grid box center long_name: longitude units: degrees_east valid_min: -180.0000000 valid_max: 180.0000000 _Storage: contiguous origname: longitude fullnamepath: /longitude |