| IdentifierProductDOI: | 10.5067/AURA/OMI/DATA3010 |
| ProductGenerationAlgorithm: | OMHCHOd |
| RangeBeginningDate: | 2017-12-25 |
| ContactPersonName: | Kelly Chance |
| GranuleID: | OMI-Aura_L3-OMHCHOd_2017m1225_v003-2019m0726t151731.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: | 2019m0726t151731Z |
| 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_2017m1224t2255-o71512_v003-2017m1225t074733.he5,OMI-Aura_L2-OMHCHO_2017m1225t0034-o71513_v003-2017m1225t093400.he5,OMI-Aura_L2-OMHCHO_2017m1225t0213-o71514_v003-2017m1225t093524.he5,OMI-Aura_L2-OMHCHO_2017m1225t0352-o71515_v003-2017m1225t112329.he5,OMI-Aura_L2-OMHCHO_2017m1225t0531-o71516_v003-2017m1225t125511.he5,OMI-Aura_L2-OMHCHO_2017m1225t0710-o71517_v003-2017m1225t143209.he5,OMI-Aura_L2-OMHCHO_2017m1225t0849-o71518_v003-2017m1225t180359.he5,OMI-Aura_L2-OMHCHO_2017m1225t1027-o71519_v003-2017m1225t195713.he5,OMI-Aura_L2-OMHCHO_2017m1225t1206-o71520_v003-2017m1225t195558.he5,OMI-Aura_L2-OMHCHO_2017m1225t1345-o71521_v003-2017m1225t212217.he5,OMI-Aura_L2-OMHCHO_2017m1225t1524-o71522_v003-2017m1225t231305.he5,OMI-Aura_L2-OMHCHO_2017m1225t1703-o71523_v003-2017m1226t022728.he5,OMI-Aura_L2-OMHCHO_2017m1225t1842-o71524_v003-2017m1226t040018.he5,OMI-Aura_L2-OMHCHO_2017m1225t2021-o71525_v003-2017m1226t051950.he5,OMI-Aura_L2-OMHCHO_2017m1225t2200-o71526_v003-2017m1226t052823.he5,OMI-Aura_L2-OMHCHO_2017m1225t2339-o71527_v003-2017m1226t070244.he5 |
| Conventions: | CF-1.7 |
| source: | OMI |
| DayOfYear: | 359 |
| LatitudeResolution: | 0.1000000015 |
| LongName: | OMI/Aura Formaldehyde (HCHO) Total Column Daily L3 Weighted Mean Global 0.1deg Lat/Lon Grid |
| RangeEndingDate: | 2017-12-26 |
| ShortName: | OMHCHOd |
| WesternmostLongitude: | -180.0000000 |
| history: | 2019m0726t151731Z; 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 |