OPeNDAP Server Dataset Access Form
Action:
Data URL:
Global Attributes:
HDF5_GLOBAL.IdentifierProductDOI: 10.5067/AURA/OMI/DATA3010 HDF5_GLOBAL.ProductGenerationAlgorithm: OMHCHOd HDF5_GLOBAL.RangeBeginningDate: 2012-02-20 HDF5_GLOBAL.ContactPersonName: Kelly Chance HDF5_GLOBAL.GranuleID: OMI-Aura_L3-OMHCHOd_2012m0220_v003-2019m0726t073748.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: 2019m0726t073748Z 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_2012m0219t2252-o40421_v003-2014m0630t183959.he5,OMI-Aura_L2-OMHCHO_2012m0220t0031-o40422_v003-2014m0630t184230.he5,OMI-Aura_L2-OMHCHO_2012m0220t0210-o40423_v003-2014m0630t184559.he5,OMI-Aura_L2-OMHCHO_2012m0220t0349-o40424_v003-2014m0630t184740.he5,OMI-Aura_L2-OMHCHO_2012m0220t0528-o40425_v003-2014m0630t184700.he5,OMI-Aura_L2-OMHCHO_2012m0220t0707-o40426_v003-2014m0630t184936.he5,OMI-Aura_L2-OMHCHO_2012m0220t0846-o40427_v003-2014m0630t184304.he5,OMI-Aura_L2-OMHCHO_2012m0220t1025-o40428_v003-2014m0630t185732.he5,OMI-Aura_L2-OMHCHO_2012m0220t1203-o40429_v003-2014m0630t184634.he5,OMI-Aura_L2-OMHCHO_2012m0220t1342-o40430_v003-2014m0630t185127.he5,OMI-Aura_L2-OMHCHO_2012m0220t1521-o40431_v003-2014m0630t185047.he5,OMI-Aura_L2-OMHCHO_2012m0220t1700-o40432_v003-2014m0630t190256.he5,OMI-Aura_L2-OMHCHO_2012m0220t1839-o40433_v003-2014m0630t185133.he5,OMI-Aura_L2-OMHCHO_2012m0220t2018-o40434_v003-2014m0630t184826.he5,OMI-Aura_L2-OMHCHO_2012m0220t2157-o40435_v003-2014m0630t184718.he5,OMI-Aura_L2-OMHCHO_2012m0220t2336-o40436_v003-2014m0630t184850.he5 HDF5_GLOBAL.Conventions: CF-1.7 HDF5_GLOBAL.source: OMI HDF5_GLOBAL.DayOfYear: 051 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: 2012-02-21 HDF5_GLOBAL.ShortName: OMHCHOd HDF5_GLOBAL.WesternmostLongitude: -180.0000000 HDF5_GLOBAL.history: 2019m0726t073748Z; 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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