OPeNDAP Server Dataset Access Form
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Data URL:
Global Attributes:
HDF5_GLOBAL.IdentifierProductDOI: 10.5067/AURA/OMI/DATA3010 HDF5_GLOBAL.ProductGenerationAlgorithm: OMHCHOd HDF5_GLOBAL.RangeBeginningDate: 2017-08-24 HDF5_GLOBAL.ContactPersonName: Kelly Chance HDF5_GLOBAL.GranuleID: OMI-Aura_L3-OMHCHOd_2017m0824_v003-2019m0726t143942.nc HDF5_GLOBAL.RangeBeginningTime: 00:00:00Z HDF5_GLOBAL.RangeEndingTime: 00:00:00Z HDF5_GLOBAL.ContactPersonEmail: kchange@cfa.harvard.edu HDF5_GLOBAL.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 HDF5_GLOBAL.ProcessingLevel: Level 3 HDF5_GLOBAL.VersionID: 003 HDF5_GLOBAL.IdentifierProductionDOIAuthority: https://www.doi.org HDF5_GLOBAL.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) HDF5_GLOBAL.SouthernmostLatitude: -90.00000000 HDF5_GLOBAL.ContactPersonRole: Lead algorithm scientist HDF5_GLOBAL.ObservationArea: Global HDF5_GLOBAL.institution: OMI SIPS HDF5_GLOBAL.ProductionDateTime: 2019m0726t143942Z HDF5_GLOBAL.NorthernmostLatitude: 90.00000000 HDF5_GLOBAL.MaximumCloudFraction: 0.3000000119 HDF5_GLOBAL.ProductGenerationAlgorithmVersion: 0.0.5 HDF5_GLOBAL.LongitudeResolution: 0.1000000015 HDF5_GLOBAL.title: OMI/Aura Formaldehyde (HCHO) Total Column Daily L3 Weighted Mean Global 0.1deg Lat/Lon Grid HDF5_GLOBAL.MaximumSZA: 70.00000000 HDF5_GLOBAL.Format: NetCDF-4 HDF5_GLOBAL.EasternmostLongitude: 180.0000000 HDF5_GLOBAL.InputOriginalFile: OMI-Aura_L2-OMHCHO_2017m0823t2324-o69721_v003-2017m0824t064053.he5,OMI-Aura_L2-OMHCHO_2017m0824t0102-o69722_v003-2017m0824t101219.he5,OMI-Aura_L2-OMHCHO_2017m0824t0241-o69723_v003-2017m0824t114653.he5,OMI-Aura_L2-OMHCHO_2017m0824t0420-o69724_v003-2017m0824t114824.he5,OMI-Aura_L2-OMHCHO_2017m0824t0559-o69725_v003-2017m0824t131231.he5,OMI-Aura_L2-OMHCHO_2017m0824t0738-o69726_v003-2017m0824t150529.he5,OMI-Aura_L2-OMHCHO_2017m0824t0917-o69727_v003-2017m0824t163211.he5,OMI-Aura_L2-OMHCHO_2017m0824t1056-o69728_v003-2017m0824t194326.he5,OMI-Aura_L2-OMHCHO_2017m0824t1235-o69729_v003-2017m0824t212942.he5,OMI-Aura_L2-OMHCHO_2017m0824t1414-o69730_v003-2017m0824t211218.he5,OMI-Aura_L2-OMHCHO_2017m0824t1552-o69731_v003-2017m0824t225943.he5,OMI-Aura_L2-OMHCHO_2017m0824t1731-o69732_v003-2017m0825t012013.he5,OMI-Aura_L2-OMHCHO_2017m0824t1910-o69733_v003-2017m0825t040254.he5,OMI-Aura_L2-OMHCHO_2017m0824t2049-o69734_v003-2017m0825t053356.he5,OMI-Aura_L2-OMHCHO_2017m0824t2228-o69735_v003-2017m0825t072732.he5 HDF5_GLOBAL.Conventions: CF-1.7 HDF5_GLOBAL.source: OMI HDF5_GLOBAL.DayOfYear: 236 HDF5_GLOBAL.LatitudeResolution: 0.1000000015 HDF5_GLOBAL.LongName: OMI/Aura Formaldehyde (HCHO) Total Column Daily L3 Weighted Mean Global 0.1deg Lat/Lon Grid HDF5_GLOBAL.RangeEndingDate: 2017-08-25 HDF5_GLOBAL.ShortName: OMHCHOd HDF5_GLOBAL.WesternmostLongitude: -180.0000000 HDF5_GLOBAL.history: 2019m0726t143942Z; Original file created by OMI SIPS
Variables:
key_science_data_column_amount
: Array of 32 bit Reals [latitude = 0..1799][longitude = 0..3599]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
longitude:
_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]
latitude:
_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]
longitude:
_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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