OPeNDAP Data Access Form for OMPS-NPP_NMNO2-L2_2020m1227t032728_o47497_2020m1227t074433.h5
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dataset: OMPS-NPP_NMNO2-L2_2020m1227t032728_o47497_2020m1227t074433.h5




  • HDF5_GLOBAL
    • DATA_QUALITY: 0
    • DayNightFlag: Day
    • Format: HDF5
    • acknowledgement: This dataset was generated by NASA's SNPP Ozone Science Team, with support provided by the NASA Ozone SIPS.
    • comment:
    • contributor_name: NASA SNPP Ozone Science Team and NASA Ozone SIPS.
    • contributor_role: Data producers.
    • VersionID: 2
    • VersionNumber: 2.0
    • DOI: 10.5067/N0XVLE2QAVR3
    • ShortName: OMPS_NPP_NMNO2_L2
    • LongName: OMPS-NPP L2 NM Nitrogen Dioxide (NO2) Total and Tropospheric Column swath orbital
    • creator_email: kaiyang@umd.edu
    • creator_institution: University of Maryland, College Park
    • creator_name: Kai Yang
    • creator_type: person
    • history: 2020-12-27T12:21:33.000Z: Original file created by Ozone SIPS
    • id: OMPS_NPP_NMNO2_L2
    • institution: NASA Goddard Space Flight Center and University of Maryland
    • keywords: NASA, Goddard Space Flight Center, GSFC, Atmospheric Chemistry, University of Maryland, UMCP, Nitrogen Dioxide, Suomi NPP, Ozone Mapping and Profiler Suite, OMPS
    • metadata_link: http://dx.doi.org/10.5067/N0XVLE2QAVR3
    • processing_level: L2
    • publisher_email: gsfc-help-disc@lists.nasa.gov
    • publisher_institution: NASA Goddard Space Flight Center
    • publisher_name: NASA GES DISC
    • publisher_type: group
    • publisher_url: http://disc.gsfc.nasa.gov
    • references: Yang, K., S. A. Carn, C. Ge, J. Wang, and R. R. Dickerson (2014), Advancing measurements of tropospheric NO2 from space: New algorithm and first global results from OMPS, Geophys. Res. Lett., 41, 4777-4786, doi:10.1002/2014GL060136.
    • source: Suomi-NPP OMPS Nadir Mapper
    • summary: Total and tropospheric nitrogen dioxide (NO2) vertical column density data retrieved from the OMPS Nadir Mapper. For details on the NO2 algorithm, see (ATBD citation).
    • title: Suomi-NPP OMPS Nadir Mapper L2 Retrieved Nitrogen Dioxide Product
    • EquatorCrossingDate: 2020-12-27
    • EquatorCrossingLongitude: 141.5113068
    • EquatorCrossingTime: 03:58:33.4687
    • PGEVersion: 1.0.7
    • LocalGranuleID: OMPS-NPP_NMNO2-L2_2020m1227t032728_o47497_2020m1227t074433.h5
    • OrbitNumber: 47497
    • ProductionDateTime: 2020-12-27T07:44:33.997Z
    • RangeBeginningDateTime: 2020-12-27T03:27:28.882362Z
    • RangeEndingDateTime: 2020-12-27T04:17:16.714139Z
    • date_created: 2020-12-27T07:44:33.997Z
    • time_coverage_end: 2020-12-27T04:17:16.714139Z
    • time_coverage_start: 2020-12-27T03:27:28.882362Z
    • TAI93At0zOfGranule: 883180810.00000000
  • GeolocationData
    • SunEarthDistance: 147112769534.76630
    • SunEarthDistance_units: m
    • fullnamepath: /GeolocationData
  • ScienceData:
    • DODS_EXTRA
      • Unlimited_Dimension: DimCorners


    GeolocationData_GroundPixelQualityFlags[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is UInt16)
    • attributes
      • long_name: Ground Pixel Quality Flags
      • coverage_content_type: qualityInformation
      • valid_range: 0, 65534
      • _FillValue: 65535
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • FlagMasks: 0, 256
      • FlagMeanings: Good_Pixel Eclipse_Warning
      • origname: GroundPixelQualityFlags
      • fullnamepath: /GeolocationData/GroundPixelQualityFlags
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    GeolocationData_ImageMidpoint_TAI93[ DimAlongTrack= 0 ..399] (Type is Float64)
    • attributes
      • long_name: TAI93 Image Midpoint Time
      • coverage_content_type: referenceInformation
      • units: seconds since 1993-01-01 00:00:00Z
      • valid_range: -5000000000.0000000, 10000000000.000000
      • _FillValue: -1.2676506002282294e+30
      • DIMENSION_LABELS: DimAlongTrack
      • origname: ImageMidpoint_TAI93
      • fullnamepath: /GeolocationData/ImageMidpoint_TAI93
    GeolocationData_InstrumentQualityFlags[ DimAlongTrack= 0 ..399] (Type is Int32)
    • attributes
      • long_name: Swath Level Geolocation Quality Flags
      • coverage_content_type: qualityInformation
      • valid_range: 0, 2147483647
      • _FillValue: 0
      • DIMENSION_LABELS: DimAlongTrack
      • FlagMasks: 3145728, 16, 32
      • FlagMeanings: SAA_Warning Maneuver_Flag Attitude_Threshold_Flag
      • origname: InstrumentQualityFlags
      • fullnamepath: /GeolocationData/InstrumentQualityFlags
    GeolocationData_LatitudeCorner[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] [ DimCorners= 0 ..3] (Type is Float32)
    • attributes
      • long_name: Geodetic Latitude of Corner Points
      • coverage_content_type: modelResult
      • units: degrees_North
      • valid_range: -90.00000000, 90.00000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack, DimCorners
      • comment: counter clockwise relative to flight direction: LL,LR,UR,UL
      • origname: LatitudeCorner
      • fullnamepath: /GeolocationData/LatitudeCorner
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude DimCorners
    GeolocationData_LongitudeCorner[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] [ DimCorners= 0 ..3] (Type is Float32)
    • attributes
      • long_name: Geodetic Longitude of Corner Points
      • coverage_content_type: modelResult
      • units: degrees_East
      • valid_range: -180.0000000, 180.0000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack, DimCorners
      • comment: counter clockwise relative to flight direction: LL,LR,UR,UL
      • origname: LongitudeCorner
      • fullnamepath: /GeolocationData/LongitudeCorner
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude DimCorners
    GeolocationData_RelativeAzimuthAngle[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Relative Azimuth Angle
      • coverage_content_type: modelResult
      • units: degrees
      • valid_range: -180.0000000, 180.0000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • comment: sun + 180 - view
      • origname: RelativeAzimuthAngle
      • fullnamepath: /GeolocationData/RelativeAzimuthAngle
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    GeolocationData_SolarAzimuthAngle[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Solar Azimuth Angle
      • coverage_content_type: modelResult
      • units: degrees
      • valid_range: -180.0000000, 180.0000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: SolarAzimuthAngle
      • fullnamepath: /GeolocationData/SolarAzimuthAngle
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    GeolocationData_SolarZenithAngle[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Solar Zenith Angle
      • coverage_content_type: modelResult
      • units: degrees
      • valid_range: 0.000000000, 180.0000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: SolarZenithAngle
      • fullnamepath: /GeolocationData/SolarZenithAngle
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    GeolocationData_SpacecraftAltitude[ DimAlongTrack= 0 ..399] (Type is Float64)
    • attributes
      • long_name: Spacecraft Altitude
      • coverage_content_type: modelResult
      • units: m
      • valid_range: 400000.00000000000, 900000.00000000000
      • _FillValue: -1.2676506002282294e+30
      • DIMENSION_LABELS: DimAlongTrack
      • origname: SpacecraftAltitude
      • fullnamepath: /GeolocationData/SpacecraftAltitude
    GeolocationData_SpacecraftLatitude[ DimAlongTrack= 0 ..399] (Type is Float64)
    • attributes
      • long_name: Spacecraft Latitude
      • units: degrees_North
      • valid_range: -90.000000000000000, 90.000000000000000
      • _FillValue: -1.2676506002282294e+30
      • coverage_content_type: modelResult
      • DIMENSION_LABELS: DimAlongTrack
      • origname: SpacecraftLatitude
      • fullnamepath: /GeolocationData/SpacecraftLatitude
    GeolocationData_SpacecraftLongitude[ DimAlongTrack= 0 ..399] (Type is Float64)
    • attributes
      • long_name: Spacecraft Longitude
      • coverage_content_type: modelResult
      • units: degrees_East
      • valid_range: -180.00000000000000, 180.00000000000000
      • _FillValue: -1.2676506002282294e+30
      • DIMENSION_LABELS: DimAlongTrack
      • origname: SpacecraftLongitude
      • fullnamepath: /GeolocationData/SpacecraftLongitude
    GeolocationData_SpacecraftSolarZenith[ DimAlongTrack= 0 ..399] (Type is Float64)
    • attributes
      • long_name: Sub Satellite Solar Zenith Angle
      • coverage_content_type: modelResult
      • units: degrees
      • valid_range: 0.0000000000000000, 180.00000000000000
      • _FillValue: -1.2676506002282294e+30
      • DIMENSION_LABELS: DimAlongTrack
      • origname: SpacecraftSolarZenith
      • fullnamepath: /GeolocationData/SpacecraftSolarZenith
    GeolocationData_UTC_CCSDA_A[ DimAlongTrack= 0 ..399] (Type is String)
    • attributes
      • long_name: UTC Image Midpoint Time
      • coverage_content_type: referenceInformation
      • _FillValue: 0000-00-00T00:00:00.000000Z
      • valid_range: 2012-01-01T00:00:00.000000Z, 2099-12-31T00:00:00.000000Z
      • DIMENSION_LABELS: DimAlongTrack
      • origname: UTC_CCSDA_A
      • fullnamepath: /GeolocationData/UTC_CCSDA_A
    GeolocationData_ViewingAzimuthAngle[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Viewing Azimuth Angle
      • coverage_content_type: modelResult
      • units: degrees
      • valid_range: -180.0000000, 180.0000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: ViewingAzimuthAngle
      • fullnamepath: /GeolocationData/ViewingAzimuthAngle
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    GeolocationData_ViewingZenithAngle[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Viewing Zenith Angle
      • coverage_content_type: modelResult
      • units: degrees
      • valid_range: 0.000000000, 70.00000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: ViewingZenithAngle
      • fullnamepath: /GeolocationData/ViewingZenithAngle
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_AerosolIndex[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: UV Aerosol Index
      • coverage_content_type: physicalMeasurement
      • units: 1
      • valid_range: -15.00000000, 15.00000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: AerosolIndex
      • fullnamepath: /ScienceData/AerosolIndex
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_CloudFraction[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Cloud Fraction
      • coverage_content_type: physicalMeasurement
      • units: 1
      • valid_range: 0.000000000, 1.000000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: CloudFraction
      • fullnamepath: /ScienceData/CloudFraction
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_CloudPressure[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Effective Cloud Pressure
      • coverage_content_type: physicalMeasurement
      • units: hPa
      • valid_range: 0.000000000, 1050.000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: CloudPressure
      • fullnamepath: /ScienceData/CloudPressure
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_CloudRefletivity[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Cloud Reflectivity
      • coverage_content_type: physicalMeasurement
      • units: 1
      • valid_range: 0.000000000, 1.100000024
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: CloudRefletivity
      • fullnamepath: /ScienceData/CloudRefletivity
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_ColumnAmountNO2[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: NO2 Total Vertical Column Density
      • coverage_content_type: physicalMeasurement
      • units: DU
      • valid_range: -1.000000000, 10.00000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: ColumnAmountNO2
      • fullnamepath: /ScienceData/ColumnAmountNO2
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_ColumnAmountNO2strat[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: NO2 Stratospheric Vertical Column Density
      • coverage_content_type: physicalMeasurement
      • units: DU
      • valid_range: -1.000000000, 10.00000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: ColumnAmountNO2strat
      • fullnamepath: /ScienceData/ColumnAmountNO2strat
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_ColumnAmountNO2tropo[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: NO2 Tropospheric Vertical Column Density
      • coverage_content_type: physicalMeasurement
      • units: DU
      • valid_range: -1.000000000, 10.00000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: ColumnAmountNO2tropo
      • fullnamepath: /ScienceData/ColumnAmountNO2tropo
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_GroundRefletivity[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Ground Reflectivity
      • coverage_content_type: physicalMeasurement
      • units: 1
      • valid_range: -0.1000000015, 1.100000024
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: GroundRefletivity
      • fullnamepath: /ScienceData/GroundRefletivity
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_PixelQualityFlags[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is UInt16)
    • attributes
      • long_name: Pixel Quality Flags
      • coverage_content_type: qualityInformation
      • valid_range: 0, 65534
      • _FillValue: 65535
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • FlagMasks: 0, 65535
      • FlagMeanings: Good_Pixel Bad_Pixel
      • origname: PixelQualityFlags
      • fullnamepath: /ScienceData/PixelQualityFlags
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_RadiativeCloudFraction[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Radiative Cloud Fraction
      • coverage_content_type: physicalMeasurement
      • units: 1
      • valid_range: 0.000000000, 1.000000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • comment: CloudFraction*Icloud/Itotal
      • origname: RadiativeCloudFraction
      • fullnamepath: /ScienceData/RadiativeCloudFraction
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_ScenePressure[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Effective Scene Pressure
      • coverage_content_type: physicalMeasurement
      • units: hPa
      • valid_range: 0.000000000, 1050.000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: ScenePressure
      • fullnamepath: /ScienceData/ScenePressure
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_SceneRefletivity[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Lambertian Equivalent Reflectivity
      • units: 1
      • coverage_content_type: physicalMeasurement
      • valid_range: -0.1000000015, 1.100000024
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: SceneRefletivity
      • fullnamepath: /ScienceData/SceneRefletivity
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_SlantColumnAmountNO2[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: NO2 Slant Column Amount
      • coverage_content_type: physicalMeasurement
      • units: DU
      • valid_range: -1.000000000, 10.00000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: SlantColumnAmountNO2
      • fullnamepath: /ScienceData/SlantColumnAmountNO2
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    ScienceData_TerrainPressure[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Terrain Pressure
      • coverage_content_type: physicalMeasurement
      • units: hPa
      • valid_range: 0.000000000, 1050.000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: TerrainPressure
      • fullnamepath: /ScienceData/TerrainPressure
      • coordinates: GeolocationData_Latitude GeolocationData_Longitude
    DimAlongTrack[ DimAlongTrack= 0 ..399] (Type is Int32)
    • attributes
      • long_name: Along-track dimension
      • origname: DimAlongTrack
      • fullnamepath: /DimAlongTrack
    DimCrossTrack[ DimCrossTrack= 0 ..35] (Type is Int32)
    • attributes
      • long_name: Cross-track dimension
      • origname: DimCrossTrack
      • fullnamepath: /DimCrossTrack
    DimCorners[ DimCorners= 0 ..3] (Type is Int32)
    • attributes
      • long_name: Pixel corner points dimension
      • comment: counter clockwise relative to flight direction: LL,LR,UR,UL
      • origname: DimCorners
      • fullnamepath: /DimCorners
    GeolocationData_Latitude[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Geodetic Latitude
      • coverage_content_type: modelResult
      • _FillValue: -1.267650600e+30
      • valid_range: -90.00000000, 90.00000000
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: Latitude
      • fullnamepath: /GeolocationData/Latitude
      • units: degrees_north
    GeolocationData_Longitude[ DimAlongTrack= 0 ..399] [ DimCrossTrack= 0 ..35] (Type is Float32)
    • attributes
      • long_name: Geodetic Longitude
      • coverage_content_type: modelResult
      • valid_range: -180.0000000, 180.0000000
      • _FillValue: -1.267650600e+30
      • DIMENSION_LABELS: DimAlongTrack, DimCrossTrack
      • origname: Longitude
      • fullnamepath: /GeolocationData/Longitude
      • units: degrees_east

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