OPeNDAP Data Access Form for OMI-Aura_L3-OMHCHOd_2012m0101_v003-2019m0726t073235.nc

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dataset: OMI-Aura_L3-OMHCHOd_2012m0101_v003-2019m0726t073235.nc

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Global Attributes	HDF5_GLOBAL IdentifierProductDOI: 10.5067/AURA/OMI/DATA3010 ProductGenerationAlgorithm: OMHCHOd RangeBeginningDate: 2012-01-01 ContactPersonName: Kelly Chance GranuleID: OMI-Aura_L3-OMHCHOd_2012m0101_v003-2019m0726t073235.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: 2019m0726t073235Z 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_2011m1231t2301-o39693_v003-2014m0630t121703.he5,OMI-Aura_L2-OMHCHO_2012m0101t0040-o39694_v003-2014m0630t122057.he5,OMI-Aura_L2-OMHCHO_2012m0101t0219-o39695_v003-2014m0630t121952.he5,OMI-Aura_L2-OMHCHO_2012m0101t0358-o39696_v003-2014m0630t122607.he5,OMI-Aura_L2-OMHCHO_2012m0101t0536-o39697_v003-2014m0630t122145.he5,OMI-Aura_L2-OMHCHO_2012m0101t0715-o39698_v003-2014m0630t121729.he5,OMI-Aura_L2-OMHCHO_2012m0101t0854-o39699_v003-2014m0630t121646.he5,OMI-Aura_L2-OMHCHO_2012m0101t1033-o39700_v003-2014m0630t122102.he5,OMI-Aura_L2-OMHCHO_2012m0101t1212-o39701_v003-2014m0630t121930.he5,OMI-Aura_L2-OMHCHO_2012m0101t1351-o39702_v003-2014m0630t122613.he5,OMI-Aura_L2-OMHCHO_2012m0101t1530-o39703_v003-2014m0630t123337.he5,OMI-Aura_L2-OMHCHO_2012m0101t1709-o39704_v003-2014m0630t123258.he5,OMI-Aura_L2-OMHCHO_2012m0101t1848-o39705_v003-2014m0630t123027.he5,OMI-Aura_L2-OMHCHO_2012m0101t2026-o39706_v003-2014m0630t122816.he5,OMI-Aura_L2-OMHCHO_2012m0101t2205-o39707_v003-2014m0630t123301.he5,OMI-Aura_L2-OMHCHO_2012m0101t2344-o39708_v003-2014m0630t123312.he5 Conventions: CF-1.7 source: OMI DayOfYear: 001 LatitudeResolution: 0.1000000015 LongName: OMI/Aura Formaldehyde (HCHO) Total Column Daily L3 Weighted Mean Global 0.1deg Lat/Lon Grid RangeEndingDate: 2012-01-02 ShortName: OMHCHOd WesternmostLongitude: -180.0000000 history: 2019m0726t073235Z; Original file created by OMI SIPS key_science_data: support_data: qa_statistics:

Variables	key_science_data_column_amount[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Float32) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Float32) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Float32) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Int16) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Float32) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Float32) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Float32) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Float32) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Float32) attributes _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[ latitude= 0 ..1799] [ longitude= 0 ..3599] (Type is Int16) attributes _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[ latitude= 0 ..1799] (Type is Float32) attributes _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[ longitude= 0 ..3599] (Type is Float32) attributes _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

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dataset: OMI-Aura_L3-OMHCHOd_2012m0101_v003-2019m0726t073235.nc

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