| 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: | 2020-06-14T15:53:58.000Z: 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: | 2020-06-14 |
| EquatorCrossingLongitude: | 46.40549850 |
| EquatorCrossingTime: | 10:19:09.2640 |
| PGEVersion: | 1.0.7 |
| LocalGranuleID: | OMPS-NPP_NMNO2-L2_2020m0614t100155_o44720_2020m0614t121138.h5 |
| OrbitNumber: | 44720 |
| ProductionDateTime: | 2020-06-14T12:11:38.495Z |
| RangeBeginningDateTime: | 2020-06-14T10:01:55.881260Z |
| RangeEndingDateTime: | 2020-06-14T10:51:43.705765Z |
| date_created: | 2020-06-14T12:11:38.495Z |
| time_coverage_end: | 2020-06-14T10:51:43.705765Z |
| time_coverage_start: | 2020-06-14T10:01:55.881260Z |
| TAI93At0zOfGranule: | 866246410.00000000 |
| Unlimited_Dimension: | DimCorners |
| GeolocationData_GroundPixelQualityFlags: | Array of 16 bit Unsigned integers [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 64 bit Reals [DimAlongTrack = 0..399] 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: | Array of 32 bit Integers [DimAlongTrack = 0..399] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35][DimCorners = 0..3] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35][DimCorners = 0..3] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 64 bit Reals [DimAlongTrack = 0..399] 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: | Array of 64 bit Reals [DimAlongTrack = 0..399] 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: | Array of 64 bit Reals [DimAlongTrack = 0..399] 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: | Array of 64 bit Reals [DimAlongTrack = 0..399] 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: | Array of Strings [DimAlongTrack = 0..399] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 16 bit Unsigned integers [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Integers [DimAlongTrack = 0..399] long_name: Along-track dimension origname: DimAlongTrack fullnamepath: /DimAlongTrack |
| DimCrossTrack: | Array of 32 bit Integers [DimCrossTrack = 0..35] long_name: Cross-track dimension origname: DimCrossTrack fullnamepath: /DimCrossTrack |
| DimCorners: | Array of 32 bit Integers [DimCorners = 0..3] long_name: Pixel corner points dimension comment: counter clockwise relative to flight direction: LL,LR,UR,UL origname: DimCorners fullnamepath: /DimCorners |
| GeolocationData_Latitude: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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: | Array of 32 bit Reals [DimAlongTrack = 0..399][DimCrossTrack = 0..35] 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 |