Shortname: OMTO3 Longname: OMI/Aura Ozone (O3) Total Column 1-Orbit L2 Swath 13x24km PFS Version: 1.1.2 Date: 19 June 2009 Author(s): Kai Yang (UMBC), Charles Wellemeyer (SSAI), David Haffner (SSAI), Peter Leonard (SSAI) PGE Version: 1.1.2 Lead Algorithm Scientist: Pawan K. Bhartia (NASA/GSFC) Lead Algorithm Developer: Kai Yang (UMBC) Lead PGE Developer: Kai Yang (UMBC) PGE Developer(s): David Haffner (SSAI), Shifang Luo (SSAI) Description: > This document specifies the product format for the OMTO3 Level 2 PGE, which uses the V8 TOMS algorithm to estimate total column ozone from OMI UV-2 measurements (Reference 1). The product is stored as one HDF-EOS 5 swath file for each granule (i.e., one orbit) of OMI Level 1B data, and has a size range of 5 to 500 Mb. Global Metadata: - Metadata Name: AuthorAffiliation Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Valids: NASA/GSFC Data Source: PCF Description: Example is "NASA/GSFC". - Metadata Name: AuthorName Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Valids: U.S. OMI Science Team Data Source: PCF Description: Example is "U.S. OMI Science Team". - Metadata Name: GranuleDay Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Minimum Value: 1 Maximum Value: 31 Data Source: PGE Description: The day of the month at the start of the granule. - Metadata Name: GranuleMonth Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Minimum Value: 1 Maximum Value: 12 Data Source: PGE Description: The month at the start of the granule. - Metadata Name: GranuleYear Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Minimum Value: 2000 Maximum Value: 2099 Data Source: PGE Description: The (four-digit) year at the start of the granule. - Metadata Name: HDFEOSVersion Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Data Source: HE Description: Example is "HDFEOS_5.1.5". - Metadata Name: InputVersions Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Data Source: PGE Description: > A list of every ESDT (including version) whose product was used as input for the processing. - Metadata Name: InstrumentName Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Valids: OMI Data Source: PCF Description: Actual is "OMI" (see Section 6.1 of Reference 2). - Metadata Name: OrbitData Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Valids: DEFINITIVE,PREDICTED Data Source: L1B Description: > Indicates whether orbit data used by the Level 1B processor is definitive or predicted. - Metadata Name: PGEVERSION Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Data Source: PCF Description: Example is "1.1.0" (see Appendix K of Reference 3). - Metadata Name: ProcessingCenter Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Valids: OMIDAPS,TLCF Data Source: PCF Description: Example is "OMIDAPS". - Metadata Name: ProcessingHost Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Data Source: PCF Description: > The output from executing the Unix "uname -a" command on the processing machine. - Metadata Name: ProcessLevel Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Valids: 2 Data Source: PCF Description: Actual is "2". - Metadata Name: TAI93At0zOfGranule Mandatory: T Data Type: HE5T_NATIVE_DOUBLE Number of Values: 1 Minimum Value: 0.0 Maximum Value: 1.0e+30 Data Source: PGE Description: > The TAI93 time at 0z of the granule (see Section 6.1 of Reference 2). - Metadata Name: WavelengthOfAdjustment Mandatory: T Data Type: HE5T_NATIVE_FLOAT Number of Values: 6 Minimum Value: 300.0 Maximum Value: 400.0 Data Source: PGE Description: > The wavelengths at which the N-Value adjustments occur. - Metadata Name: NVXAdjustment Mandatory: T Data Type: HE5T_NATIVE_FLOAT Number of Values: 360 Minimum Value: -5.0 Maximum Value: 5.0 Data Source: PGE Description: > The N-Value adjustments for the 6 wavelengths and 60 cross-track scan positions. Swath Metadata: - Metadata Name: EarthSunDistance Mandatory: T Data Type: HE5T_NATIVE_FLOAT Number of Values: 1 Minimum Value: 1.47e+11 Maximum Value: 1.53e+11 Data Source: L1B Description: > The Earth-sun distance (in m) at the time of the irradiance measurement. - Metadata Name: NumTimes Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Minimum Value: 0 Maximum Value: 9999 Data Source: L1B Description: The number of "scan" lines in the swath. - Metadata Name: NumTimesSmallPixel Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Minimum Value: 0 Maximum Value: 9999 Data Source: L1B Description: The number of small pixel "scan" lines in the swath. - Metadata Name: SwathName Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Valids: OMI Column Amount O3 Data Source: PGE Description: Actual is "OMI Column Amount O3". - Metadata Name: VerticalCoordinate Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Valids: Total Column Data Source: PGE Description: Actual is "Total Column" (see Section 6.2 of Reference 2). Swath Dimensions: - Dimension Name: nLayers Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Minimum Value: 1 Maximum Value: 11 Data Source: PGE Description: The number of layers in the ozone profile per ground pixel. - Dimension Name: nTimes Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Minimum Value: 0 Maximum Value: 9999 Data Source: L1B Description: The number of "scan" lines in the swath. - Dimension Name: nTimesSmallPixel Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Minimum Value: 0 Maximum Value: 9999 Data Source: L1B Description: The number of small pixel "scan" lines in the swath. - Dimension Name: nWavel Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Minimum Value: 1 Maximum Value: 500 Data Source: PGE Description: The number of wavelengths per ground pixel. - Dimension Name: nXtrack Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Minimum Value: 1 Maximum Value: 60 Data Source: L1B Description: The number of ground pixels per "scan" line. Geolocation Fields: - Field Name: GroundPixelQualityFlags Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack,nTimes Minimum Value: 0 Maximum Value: 65534 Missing Value: 65535 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: L1B Title: Ground Pixel Quality Flags Unique Field Definition: TOMS-OMI-Shared Description: > Bits 0 to 3 together contain the land/water flags: 0 - shallow ocean 1 - land 2 - shallow inland water 3 - ocean coastline/lake shoreline 4 - ephemeral (intermittent) water 5 - deep inland water 6 - continental shelf ocean 7 - deep ocean 8-14 - not used 15 - error flag for land/water Bits 4 to 6 are flags that are set to 0 for FALSE, or 1 for TRUE: Bit 4 - sun glint possibility flag Bit 5 - solar eclipse possibility flag Bit 6 - geolocation error flag Bit 7 is reserved for future use (currently set to 0). Bits 8 to 14 together contain the snow/ice flags (based on NISE): 0 - snow-free land 1-100 - sea ice concentration (percent) 101 - permanent ice (Greenland, Antarctica) 102 - not used 103 - dry snow 104 - ocean (NISE-255) 105-123 - reserved for future use 124 - mixed pixels at coastline (NISE-252) 125 - suspect ice value (NISE-253) 126 - corners undefined (NISE-254) 127 - error Bit 15 - NISE nearest neighbor filling flag. (See Section 6.2 of Reference 4 for more details.) - Field Name: Latitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -90.0 Maximum Value: 90.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg Data Source: L1B Title: Geodetic Latitude Unique Field Definition: TOMS-Aura-Shared Description: > The geodetic latitude (in deg) at the center of the ground pixel. - Field Name: Longitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -180.0 Maximum Value: 180.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg Data Source: L1B Title: Geodetic Longitude Unique Field Definition: TOMS-Aura-Shared Description: > The geodetic longitude (in deg) at the center of the ground pixel. - Field Name: RelativeAzimuthAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -180.0 Maximum Value: 180.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg(EastofNorth) Data Source: L1B Title: Relative Azimuth Angle (sun + 180 - view) Unique Field Definition: TOMS-OMI-Shared Description: > The relative (sun + 180 - view) azimuth angle (in deg) at the center of the ground pixel. - Field Name: SecondsInDay Data Type: HE5T_NATIVE_FLOAT Dimensions: nTimes Minimum Value: 0.0 Maximum Value: 86401.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: s Data Source: L1B Title: Seconds after UTC midnight Unique Field Definition: TOMS-Aura-Shared Description: > The time (in s) after UTC midnight at the start of the "scan". - Field Name: SolarAzimuthAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -180.0 Maximum Value: 180.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg(EastofNorth) Data Source: L1B Title: Solar Azimuth Angle Unique Field Definition: TOMS-Aura-Shared Description: > The solar azimuth angle (in deg) at the center of the ground pixel. - Field Name: SolarZenithAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 180.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg Data Source: L1B Title: Solar Zenith Angle Unique Field Definition: TOMS-Aura-Shared Description: > The solar zenith angle (in deg) at the center of the ground pixel. - Field Name: SpacecraftAltitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nTimes Minimum Value: 4.0e+05 Maximum Value: 9.0e+05 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: m Data Source: L1B Title: Spacecraft Altitude Unique Field Definition: TOMS-Aura-Shared Description: Height above WGS84 ellipsoid. - Field Name: SpacecraftLatitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nTimes Minimum Value: -90.0 Maximum Value: 90.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg Data Source: L1B Title: Spacecraft Latitude Unique Field Definition: TOMS-Aura-Shared Description: Geodetic latitude above WGS84 ellipsoid. - Field Name: SpacecraftLongitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nTimes Minimum Value: -180.0 Maximum Value: 180.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg Data Source: L1B Title: Spacecraft Longitude Unique Field Definition: TOMS-Aura-Shared Description: Geodetic longitude above WGS84 ellipsoid. - Field Name: TerrainHeight Data Type: HE5T_NATIVE_INT16 Dimensions: nXtrack,nTimes Minimum Value: -200 Maximum Value: 10000 Missing Value: -32767 Offset: 0.0 Scale Factor: 1.0 Units: m Data Source: L1B Title: Terrain Height Unique Field Definition: TOMS-Aura-Shared Description: > The terrain height (in m) at the center of the ground pixel (from the OMI Level 1B file). - Field Name: Time Data Type: HE5T_NATIVE_DOUBLE Dimensions: nTimes Minimum Value: -5.0e+09 Maximum Value: 1.0e+10 Missing Value: -1.2676506002282294e+30 Offset: 0.0 Scale Factor: 1.0 Units: s Data Source: L1B Title: Time at Start of Scan (TAI93) Unique Field Definition: TOMS-Aura-Shared Description: The TAI93 time (in s) at the start of the "scan". - Field Name: ViewingAzimuthAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -180.0 Maximum Value: 180.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg(EastofNorth) Data Source: L1B Title: Viewing Azimuth Angle Unique Field Definition: TOMS-OMI-Shared Description: > The viewing azimuth angle (in deg) at the center of the ground pixel. - Field Name: ViewingZenithAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 70.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: deg Data Source: L1B Title: Viewing Zenith Angle Unique Field Definition: TOMS-OMI-Shared Description: > The viewing zenith angle (in deg) at the center of the ground pixel. Data Fields: - Field Name: AlgorithmFlags Data Type: HE5T_NATIVE_UINT8 Dimensions: nXtrack,nTimes Minimum Value: 0 Maximum Value: 13 Missing Value: 255 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Algorithm Flags Unique Field Definition: TOMS-OMI-Shared Description: > The algorithm flag associated with the ground pixel: 0 - skipped 1 - standard 2 - adjusted for profile shape 3 - based on C-pair (331 and 360 nm) Add 10 for snow/ice. - Field Name: APrioriLayerO3 Data Type: HE5T_NATIVE_FLOAT Dimensions: nLayers,nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 125.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: DU Data Source: PGE Title: A Priori Ozone Profile Unique Field Definition: TOMS-OMI-Shared Description: The apriori layer ozone values. - Field Name: RadiativeCloudFraction Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 1.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Radiative Cloud Fraction Unique Field Definition: TOMS-OMI-Shared Description: The radiative cloud fraction. - Field Name: fc Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 1.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: MLER Cloud Fraction Unique Field Definition: TOMS-OMI-Shared Description: The MLER model parameter: effective cloud fraction. - Field Name: CloudPressure Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 1013.25 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: hPa Data Source: PGE Title: Effective Cloud Pressure Unique Field Definition: TOMS-OMI-Shared Description: > The cloud top pressure (in hPa) associated with the ground pixel. - Field Name: ColumnAmountO3 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 50.0 Maximum Value: 700.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: DU Data Source: PGE Title: Best Total Ozone Solution Unique Field Definition: TOMS-OMI-Shared Description: > The best total ozone solution (in DU) associated with the ground pixel. - Field Name: dN_dR Data Type: HE5T_NATIVE_FLOAT Dimensions: nWavel,nXtrack,nTimes Minimum Value: -200.0 Maximum Value: 0.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Reflectivity Sensitivity Ratio, dN/dR Unique Field Definition: TOMS-OMI-Shared Description: The reflectivity sensitivity ratio, dN/dR. - Field Name: dN_dT Data Type: HE5T_NATIVE_FLOAT Dimensions: nWavel,nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 1.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Ozone Weighted Temperature Sensitivity Ratio, dN/dT Unique Field Definition: TOMS-OMI-Shared Description: > The ozone weighted temperature sensitivity ratio, dN/dT. - Field Name: InstrumentConfigurationId Data Type: HE5T_NATIVE_UINT8 Dimensions: nTimes Minimum Value: 0 Maximum Value: 200 Missing Value: 255 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: L1B Unique Field Definition: OMI-Specific Title: Instrument Configuration ID Description: > Instrument Configuration ID as defined by OMIS operations. - Field Name: LayerEfficiency Data Type: HE5T_NATIVE_FLOAT Dimensions: nLayers,nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 10.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Algorithmic Layer Efficiency Unique Field Definition: TOMS-OMI-Shared Description: The algorithmic layer efficiency. - Field Name: MeasurementQualityFlags Data Type: HE5T_NATIVE_UINT8 Dimensions: nTimes Minimum Value: 0 Maximum Value: 254 Missing Value: 255 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Measurement Quality Flags Unique Field Definition: TOMS-OMI-Shared Description: > The measurement quality flag associated with each "scan" line (Bit value is 0 for not set and 1 for set): Bit 0 - Measurement Missing Flag: All ground pixels have L1B PixelQualityFlags bit 0 set. Bit 1 - Measurement Error Flag: Any of L1B MeasurementQualityFlags bit 0, 1 or 3 are set for radiance or solar product used. Bit 2 - Measurement Warning Flag: Any of L1B MeasurementQualityFlags bit 2, 4, 5, 8, 9 are set for radiance or solar product used. Bit 3 - Rebinned Measurement Flag: L1B radiance MeasurementQualityFlags bit 7 is set. Bit 4 - SAA Flag: L1B MeasurementQualityFlags bit 10 is set for radiance or solar product used. Bit 5 - Spacecraft Maneuver Flag: L1B MeasurementQualityFlags bit 11 is set for radiance or solar product used. Bit 6 - Instrument Setting Error Flag: Values for Earth and solar InstrumentConfigurationId are not compatible. Bit 7 - To be defined (currently set to 0). - Field Name: NumberSmallPixelColumns Data Type: HE5T_NATIVE_UINT8 Dimensions: nTimes Minimum Value: 0 Maximum Value: 5 Missing Value: 255 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: L1B Title: Number of Small Pixel Columns Unique Field Definition: OMI-Specific Description: > NumberSmallPixelColumns is either 0 (for no or invalid small pixel column selected) or equal to the number of co-additions. - Field Name: NValue Data Type: HE5T_NATIVE_FLOAT Dimensions: nWavel,nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 600.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Measured N-Value Unique Field Definition: TOMS-OMI-Shared Description: The measured N-value. - Field Name: O3BelowCloud Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 100.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: DU Data Source: PGE Title: Ozone Below Fractional Cloud Unique Field Definition: TOMS-OMI-Shared Description: The ozone below fractional cloud (DU). - Field Name: QualityFlags Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack,nTimes Minimum Value: 0 Maximum Value: 65534 Missing Value: 65535 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Quality Flags Unique Field Definition: TOMS-OMI-Shared Description: > Bits 0 to 3 together contain several output error flags: 0 - good sample 1 - glint contamination (corrected) 2 - sza > 84 (degree) 3 - 360 residual > threshold 4 - residual at unused ozone wavelength > 4 sigma 5 - SOI > 4 sigma (SO2 present) 6 - non-convergence 7 - abs(residual) > 16.0 (fatal) Add 8 for descending data. Bits 4 to 5 are reserved for future use (currently set to 0). Bit 6 - set to 0 when the data are unaffected by the OMI instrument row anomaly, set to 1 when data are affected. Bit 7 - set to 0 when OMI cloud (OMCLDRR or OMCLDO2) pressure is used, set to 1 when climatolgical cloud pressure is used. Bits 8 to 15 are flags that are set to 0 for FALSE (good value), or 1 for TRUE (bad value): Bit 8 - geolocation error (anomalous FOV Earth location) Bit 9 - sza > 88 (degree) Bit 10 - missing input radiance Bit 11 - error input radiance Bit 12 - warning input radiance Bit 13 - missing input irradiance Bit 14 - error input irradiance Bit 15 - warning input irradiance - Field Name: RadianceBadPixelFlagAccepted Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack,nTimes Minimum Value: 0 Maximum Value: 65534 Missing Value: 65535 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Radiance Bad Pixel Flag Accepted Unique Field Definition: OMI-Specific Description: > Indicates the wavelength(s) in the algorithm for which the field radiance PixelQualityFlags was set to BAD_PIXEL (Reference 4, p. 34) in the L1b input. Bits are indexed starting at zero for the first wavelength in the "Wavelength" data field. In all cases, the algorithm proceededs with retrieval despite occurence of BAD_PIXEL flags on radiance pixels. - Field Name: Reflectivity331 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -15.0 Maximum Value: 115.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: "%" Data Source: PGE Title: Effective Surface Reflectivity at 331 nm Unique Field Definition: TOMS-OMI-Shared Description: > The effective surface reflectivity at 331 nm (percent). - Field Name: Reflectivity360 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -15.0 Maximum Value: 115.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: "%" Data Source: PGE Title: Effective Surface Reflectivity at 360 nm Unique Field Definition: TOMS-OMI-Shared Description: > The effective surface reflectivity at 360 nm (percent). - Field Name: Residual Data Type: HE5T_NATIVE_FLOAT Dimensions: nWavel,nXtrack,nTimes Minimum Value: -32.0 Maximum Value: 32.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: N-Value Residual Unique Field Definition: TOMS-OMI-Shared Description: The N-value residual. - Field Name: ResidualStep1 Data Type: HE5T_NATIVE_FLOAT Dimensions: nWavel,nXtrack,nTimes Minimum Value: -32.0 Maximum Value: 32.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Step 1 N-Value Residual Unique Field Definition: TOMS-OMI-Shared Description: The step 1 N-value residual. - Field Name: ResidualStep2 Data Type: HE5T_NATIVE_FLOAT Dimensions: nWavel,nXtrack,nTimes Minimum Value: -32.0 Maximum Value: 32.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Step 2 N-Value Residual Unique Field Definition: TOMS-OMI-Shared Description: The step 2 N-value residual. - Field Name: Sensitivity Data Type: HE5T_NATIVE_FLOAT Dimensions: nWavel,nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 1.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: Ozone Sensitivity Ratio, dN/dOmega Unique Field Definition: TOMS-OMI-Shared Description: The ozone sensitivity ratio, dN/dOmega. - Field Name: SmallPixelColumn Data Type: HE5T_NATIVE_INT16 Dimensions: nTimes Minimum Value: 0 Maximum Value: 1000 Missing Value: -32767 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: L1B Title: Small Pixel Column Unique Field Definition: OMI-Specific Description: > Column number on the CCD for which the pixels are additionally transmitted without co-addition. - Field Name: SO2index Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -300.0 Maximum Value: 300.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: SO2 Index Unique Field Definition: TOMS-OMI-Shared Description: The SO2 index associated with the ground pixel. - Field Name: StepOneO3 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 50.0 Maximum Value: 700.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: DU Data Source: PGE Title: Step 1 Ozone Solution Unique Field Definition: TOMS-OMI-Shared Description: > The step 1 ozone solution (in DU) associated with the ground pixel. - Field Name: StepTwoO3 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 50.0 Maximum Value: 700.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: DU Data Source: PGE Title: Step 2 Ozone Solution Unique Field Definition: TOMS-OMI-Shared Description: > The step 2 ozone solution (in DU) associated with the ground pixel. - Field Name: TerrainPressure Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: 0.0 Maximum Value: 1013.25 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: hPa Data Source: PGE Title: Terrain Pressure Unique Field Definition: TOMS-OMI-Shared Description: > The terrain pressure at the center of the ground pixel (from the V8 TOMS algorithm). - Field Name: UVAerosolIndex Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Minimum Value: -30.0 Maximum Value: 30.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: UV Aerosol Index Unique Field Definition: TOMS-OMI-Shared Description: > The UV aerosol index associated with the ground pixel. - Field Name: Wavelength Data Type: HE5T_NATIVE_FLOAT Dimensions: nWavel Minimum Value: 300.0 Maximum Value: 400.0 Missing Value: -1.2676506e+30 Offset: 0.0 Scale Factor: 1.0 Units: nm Data Source: PGE Title: Wavelength Unique Field Definition: TOMS-OMI-Shared Description: The wavelength used in the OMTO3 algorithm. Core Metadata: - Metadata Name: AssociatedInstrumentShortName Mandatory: T Data Type: VA20 Number of Values: 1 Valids: OMI Data Source: MCF Description: Actual is "OMI". - Metadata Name: AssociatedPlatformShortName Mandatory: T Data Type: VA20 Number of Values: 1 Valids: Aura Data Source: MCF Description: Actual is "Aura". - Metadata Name: AssociatedSensorShortName Mandatory: T Data Type: VA20 Number of Values: 1 Valids: CCD Ultra Violet,CCD Visible Data Source: MCF Description: Actual is "CCD Ultra Violet". - Metadata Name: AutomaticQualityFlag Mandatory: T Data Type: VA64 Number of Values: 1 Valids: Passed,Suspect,Failed Data Source: PGE Description: > A granule-level quality flag that applies generally to the granule and specifically to the parameters at the granule level. - Metadata Name: AutomaticQualityFlagExplanation Mandatory: T Data Type: VA255 Number of Values: 1 Data Source: PGE Description: > The AutomaticQualityFlag is set to 1) "Passed" if QAPercentHighQualityData >= 90%, 2) "Suspect" if QAPercentHightQualityData >= 60% or if the input L1B file does not have its AutomaticQualityFlag set to "Passed", and 3) "Failed" if QAPercentHighQualityData < 60%. - Metadata Name: DayNightFlag Mandatory: T Data Type: VA5 Number of Values: 1 Valids: Day,Night,Both Data Source: MCF Description: Actual is "Day". - Metadata Name: EquatorCrossingDate Mandatory: T Data Type: D Number of Values: 1 Data Source: L1B Description: The date of the ascending equator crossing in the granule. - Metadata Name: EquatorCrossingLongitude Mandatory: T Data Type: LF Number of Values: 1 Minimum Value: -180.0 Maximum Value: 180.0 Data Source: L1B Description: > The terrestrial longitude of the ascending equator crossing in the granule. - Metadata Name: EquatorCrossingTime Mandatory: T Data Type: T Number of Values: 1 Data Source: L1B Description: The time of the ascending equator crossing in the granule. - Metadata Name: InputPointer Mandatory: T Data Type: VA255 Number of Values: 0,10 Data Source: PGE Description: > Example is ("OMI-Aura_L1-OML1BRUG_2002m0630t2354-o21434_v001-2003m0327t181402.he4", "OMI-Aura_L1-OML1BIRR_2002m0630t2354-o21434_v001-2003m0327t181812.he4", "OZON_CLIM.txt", "TEMP_CLIM.txt", "terrain_pressure.he4", "cloud_pressure.he4", "NVAL_LUT_omiTOMS_RRS.h5", "DNDX_LUT_omiTOMS.h5"). - Metadata Name: LocalGranuleID Mandatory: T Data Type: VA80 Number of Values: 1 Data Source: PGE Description: > Example is "OMI-Aura_L1-OMTO3_2002m0630t2354-o21434_v001-2003m0515t181917.he5" (see Appendix E of Reference 3). - Metadata Name: LOCALVERSIONID Mandatory: T Data Type: VA60 Number of Values: 1 Data Source: PCF Description: > MD5 fingerprint of the HDF product file. Example valids are "RFC1321 MD5 = not yet calculated" and "RFC1321 MD5 = [0-9,a-f]{32}". - Metadata Name: OperationalQualityFlag Mandatory: T Data Type: VA20 Number of Values: 1 Valids: > Passed,Failed,Being Investigated,Not Investigated,Inferred Passed, Inferred Failed,Suspect Data Source: PGE Description: > A granule-level quality flag that applies generally to the granule and specifically to the parameters at the granule level. - Metadata Name: OperationalQualityFlagExplanation Mandatory: T Data Type: VA255 Number of Values: 1 Data Source: PGE Description: > The criteria for setting the OperationalQualityFlag should be stated here (this Metadata will not appear in the granule). - Metadata Name: OPERATIONMODE Mandatory: T Data Type: VA20 Number of Values: 1 Valids: Normal,Test Data Source: PCF Description: Example is "Normal" (not implemented yet). - Metadata Name: OrbitNumber Mandatory: T Data Type: I Number of Values: 1 Minimum Value: 1 Maximum Value: 999999 Data Source: L1B Description: The OMI orbit number. - Metadata Name: ParameterName Mandatory: T Data Type: VA40 Number of Values: 1 Valids: Total Column Ozone Data Source: PGE Description: The measured science parameter expressed in the granule. - Metadata Name: PGEVERSION Mandatory: T Data Type: VA10 Number of Values: 1 Data Source: PCF Description: Example is "0.9.33" (see Appendix K of Reference 3). - Metadata Name: ProductionDateTime Mandatory: T Data Type: DT Number of Values: 1 Data Source: TK Description: The date and time of the Level 2 processing. - Metadata Name: QAPercentMissingData Mandatory: T Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > The percent of missing data from Level 1B calibrated radiance needed by OMTO3 PGE data per granule. - Metadata Name: RangeBeginningDate Mandatory: T Data Type: D Number of Values: 1 Data Source: L1B Description: The year, month and day when the granule began. - Metadata Name: RangeBeginningTime Mandatory: T Data Type: T Number of Values: 1 Data Source: L1B Description: > The hour, minute, second and fraction of a second when the granule began. - Metadata Name: RangeEndingDate Mandatory: T Data Type: D Number of Values: 1 Data Source: L1B Description: The year, month and day when the granule ended. - Metadata Name: RangeEndingTime Mandatory: T Data Type: T Number of Values: 1 Data Source: L1B Description: > The hour, minute, second and fraction of a second when the granule ended. - Metadata Name: REPROCESSINGACTUAL Mandatory: T Data Type: VA20 Number of Values: 1 Valids: > processed 1 time,processed 2 times,processed 3 times,processed 4 times Data Source: PCF Description: > An indication of what reprocessing has been performed on the granule. - Metadata Name: ReprocessingPlanned Mandatory: T Data Type: VA45 Number of Values: 1 Valids: > no further update anticipated,further update is anticipated, further update anticipated using enhanced PGE Data Source: DP Description: Actual is "further update is anticipated". - Metadata Name: ScienceQualityFlag Mandatory: T Data Type: VA20 Number of Values: 1 Valids: > Passed,Failed,Being Investigated,Not Investigated,Inferred Passed, Inferred Failed,Suspect Data Source: DP Description: Actual is "Not Investigated". - Metadata Name: ScienceQualityFlagExplanation Mandatory: T Data Type: VA255 Number of Values: 1 Data Source: DP Description: > An explanation of the criteria used to set the science quality flag should go here. - Metadata Name: ShortName Mandatory: T Data Type: VA8 Number of Values: 1 Valids: OMTO3 Data Source: MCF Description: Actual is "OMTO3". - Metadata Name: SizeMBECSDataGranule Mandatory: F Data Type: LF Number of Values: 1 Minimum Value: 0.0 Maximum Value: 10000.0 Data Source: DSS Description: > The volume of data contained in the granule in Mb (this Metadata will not appear in the granule). - Metadata Name: VersionID Mandatory: T Data Type: SI Number of Values: 1 Minimum Value: 0 Maximum Value: 999 Data Source: MCF Description: Actual is 1 for test and pre-launch. Product Specific Attributes: - Metadata Name: EndBlockNr Mandatory: T Data Type: SI Number of Values: 1,500 Minimum Value: 1 Maximum Value: 50 Data Source: L1B Description: The number of the NOSE end block along the track. - Metadata Name: ExpeditedData Mandatory: T Data Type: VA10 Number of Values: 1 Valids: TRUE,FALSE Data Source: L1B Description: The indicator for expedited Level 0 data. - Metadata Name: ExposureTimes Mandatory: T Data Type: F Number of Values: 1,256 Minimum Value: 0.0 Maximum Value: 2000.0 Data Source: L1B Description: > An array containing the exposure times in seconds used for the measurements. - Metadata Name: InstrumentConfigurationIDs Mandatory: T Data Type: SI Number of Values: 1,256 Minimum Value: 0 Maximum Value: 255 Data Source: L1B Description: > An array containing the instrument configuration identifiers used for the measurements. - Metadata Name: MasterClockPeriods Mandatory: T Data Type: F Number of Values: 1,128 Minimum Value: 0.0 Maximum Value: 10.0 Data Source: L1B Description: > An array containing the master clock periods in seconds used for the measurements. - Metadata Name: NrMeasurements Mandatory: T Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 9999 Data Source: L1B Description: > The number of measurements in the granule (per output product). - Metadata Name: NrSpatialZoom Mandatory: T Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 9999 Data Source: L1B Description: The number of measurements in spatial zoom mode. - Metadata Name: NrSpectralZoom Mandatory: T Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 9999 Data Source: L1B Description: The number of measurements in spectral zoom mode. - Metadata Name: NrZoom Mandatory: T Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 9999 Data Source: L1B Description: The number of measurements in zoom modes. - Metadata Name: PathNr Mandatory: T Data Type: I Number of Values: 1,500 Minimum Value: 1 Maximum Value: 466 Data Source: L1B Description: Number of the NOSE path within the repeat cycle. - Metadata Name: SolarEclipse Mandatory: T Data Type: VA10 Number of Values: 1 Valids: TRUE,FALSE Data Source: L1B Description: > The indicator that during part of the measurements a solar eclipse occurred. - Metadata Name: SouthAtlanticAnomalyCrossing Mandatory: T Data Type: VA10 Number of Values: 1 Valids: TRUE,FALSE Data Source: L1B Description: > The indicator that during part of the measurements the spacecraft was in the South Atlantic Anomaly. - Metadata Name: SpacecraftManeuverFlag Mandatory: T Data Type: VA10 Number of Values: 1 Valids: TRUE,FALSE,UNKNOWN Data Source: L1B Description: > The indicator that during part of the measurements the spacecraft was performing a maneuver. - Metadata Name: StartBlockNr Mandatory: T Data Type: SI Number of Values: 1,500 Minimum Value: 1 Maximum Value: 50 Data Source: L1B Description: Number of the NOSE start block along the track. Archived Metadata: - Metadata Name: AlgorithmPath1QualityFlagCounts Mandatory: F Data Type: I Number of Values: 16 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of samples that are processed through algorithm path 1 that have QualityFlags set in the respective categories. - Metadata Name: AlgorithmPath2QualityFlagCounts Mandatory: F Data Type: I Number of Values: 16 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of samples that are processed through algorithm path 2 that have QualityFlags set in the respective categories. - Metadata Name: AlgorithmPath3QualityFlagCounts Mandatory: F Data Type: I Number of Values: 16 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of samples that are processed through algorithm path 3 that have QualityFlags in the respective categories. - Metadata Name: APrioriOzoneProfileSource Mandatory: F Data Type: VA80 Number of Values: 1 Data Source: PCF Description: > The source of apriori ozone profile used in derived total ozone. Example is "Climatology". - Metadata Name: BackupSolarProductUsed Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 1 Data Source: PGE Description: > Set to 1 if the backup Solar product is used instead of the normal solar product. - Metadata Name: CloudPressureSource Mandatory: F Data Type: VA80 Number of Values: 1 Data Source: PCF Description: > The source of cloud top pressure used in derived total ozone. Examples are "Climtology", "OMCLDRR Cloud Pressure" and "OMCLDO2 Cloud Pressure". - Metadata Name: ESDTDescriptorRevision Mandatory: T Data Type: VA20 Number of Values: 1 Data Source: MCF Description: > The version of the ESDT descriptor file as determined by ECS. - Metadata Name: InstrumentConfigurationIDsNonCompatible Mandatory: F Data Type: VA80 Number of Values: 1 Valids: TRUE Data Source: L1B Description: > Set to TRUE if NumberOfInstrumentSettingsError is greater than 0. Otherwise it would not appear in the Archived Metadata. - Metadata Name: IrradianceSceinceQualityFlag Mandatory: F Data Type: VA80 Number of Values: 1 Valids: > Passed,Failed,Being Investigated,Not Investigated,Inferred Passed, Inferred Failed,Suspect Data Source: L1B Description: > Set to the value for the radiance product ScienceQualityFlag attribute. - Metadata Name: LongName Mandatory: T Data Type: VA80 Number of Values: 1 Valids: OMI/Aura Ozone (O3) Total Column 1-Orbit L2 Swath 13x24km Data Source: MCF Description: > Actual is "OMI/Aura Ozone (O3) Total Column 1-Orbit L2 Swath 13x24km" (see Section 7.0 of Reference 2). - Metadata Name: NumberOfBadInputSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of bad samples out of NumberOfInputSamples. The error flag is set for these samples. - Metadata Name: NumberOfGlintCorrectedSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of glint corrected samples in the ascending part of the orbit. QualityFlags is set to 1 for these samples. - Metadata Name: NumberOfGoodInputSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of good samples out of NumberOfInputSamples in the ascending part of the orbit. No error, warning or geolocation flags are set for these samples. - Metadata Name: NumberOfGoodOutputSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of good samples in the ascending part of the orbit. QualityFlags is set to 0 for these samples. - Metadata Name: NumberOfInputSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of samples read from the Level 1B file for processing. In general this is equal to nXtrack * nTimes . - Metadata Name: NumberOfInputWarningSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of warning samples out of NumberOfInputSamples. The warning flag is set for these samples. - Metadata Name: NumberOfLargeSZAInputSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of samples out of NumberOfGoodInputSamples with a Solar Zenith Angle (SZA) greater or equal to 84.0 degrees in the ascending part of the orbit. - Metadata Name: NumberOfMissingInputSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of missing samples out of NumberOfInputSamples. - Metadata Name: NumberOfSkippedSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: The total number of samples that are skipped. - Metadata Name: NumberOfStep1InvalidSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of samples with errors detected in step one processing. - Metadata Name: NumberOfStep2InvalidSamples Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100000 Data Source: PGE Description: > The total number of samples with errors detected in step two processing. - Metadata Name: QAPctInstrumentSettingsError Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of "scan" lines for which L2 MeasurementQualityFlags bit 5 is set. - Metadata Name: QAPctIrradianceError Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of ground pixels for which L2 QualityFlags bit 14 is set. - Metadata Name: QAPctIrradianceMissing Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of ground pixels for which L2 QualityFlags bit 13 is set. - Metadata Name: QAPctIrradianceWarning Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of ground pixels for which L2 QualityFlags bit 15 is set. - Metadata Name: QAPctMeasurementError Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of "scan" lines for which L2 MeasurementQualityFlags bit 1 is set. - Metadata Name: QAPctMeasurementManeuver Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of "scan" lines for which L2 MeasurementQualityFlags bit 5 is set. - Metadata Name: QAPctMeasurementMissing Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of "scan" lines for which L2 MeasurementQualityFlags bit 0 is set. - Metadata Name: QAPctMeasurementRebinned Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of "scan" lines for which L2 MeasurementQualityFlags bit 3 is set. - Metadata Name: QAPctMeasurementSAA Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of "scan" lines for which L2 MeasurementQualityFlags bit 4 is set. - Metadata Name: QAPctMeasurementWarning Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of "scan" lines for which L2 MeasurementQualityFlags bit 2 is set. - Metadata Name: QAPctRadianceError Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of ground pixels for which L2 QualityFlags bit 11 is set. - Metadata Name: QAPctRadianceMissing Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of ground pixels for which L2 QualityFlags bit 10 is set. - Metadata Name: QAPctRadianceWarning Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > Percent of ground pixels for which L2 QualityFlags bit 12 is set. - Metadata Name: QAPercentHighQualityData Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 100 Data Source: PGE Description: > QAPercentHighQualityData = 100 * (NumberOfGoodOutputSamples + NumberOfGlintCorrectedSamples) / (NumberOfGoodInputSamples - NumberOfLargeSZAInputSamples). - Metadata Name: RadianceScienceQualityFlag Mandatory: F Data Type: VA80 Number of Values: 1 Valids: > Passed,Failed,Being Investigated,Not Investigated,Inferred Passed, Inferred Failed,Suspect Data Source: L1B Description: > Set to the value for the radiance product ScienceQualityFlag metadata attribute. - Metadata Name: SnowIceSource Mandatory: F Data Type: VA80 Number of Values: 1 Data Source: PCF Description: > The source of Snow/Ice coverage used in derived total ozone. Example is "NISE from OML1BRUG". - Metadata Name: SolarIrradianceWarning Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 1 Data Source: PGE Description: Set to 1 if NumberOfIrradianceWarning is larger than 0. - Metadata Name: SolarProductMissing Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 1 Data Source: PGE Description: > Set to 1 if Normal Solar product could not be opened, or when there is fatal error in reading the solar irradiance file. - Metadata Name: SolarProductOutOfDate Mandatory: F Data Type: I Number of Values: 1 Minimum Value: 0 Maximum Value: 1 Data Source: PGE Description: > Set to 1 if the time difference between the used Solar product and the radiance file is larger than the threshold. - Metadata Name: TemperatureSource Mandatory: F Data Type: VA80 Number of Values: 1 Data Source: PCF Description: > The source of temperature profile used in derived total ozone. Example is "Climtology". - Metadata Name: TerrainPressureSource Mandatory: F Data Type: VA80 Number of Values: 1 Data Source: PCF Description: > The source of terrain pressure used in derived total ozone. Example is "Climtology". - Metadata Name: ZonalLatitudeMaximum Mandatory: F Data Type: D Number of Values: 5 Minimum Value: -90.0 Maximum Value: 90.0 Data Source: PGE Description: The maximum latitude of each zone. - Metadata Name: ZonalLatitudeMinimum Mandatory: F Data Type: D Number of Values: 5 Minimum Value: -90.0 Maximum Value: 90.0 Data Source: PGE Description: The minimum latitude of each zone. - Metadata Name: ZonalOzoneMaximum Mandatory: F Data Type: D Number of Values: 5 Minimum Value: 0.0 Maximum Value: 700.0 Data Source: PGE Description: The maximum ozone (in DU) of each zone. - Metadata Name: ZonalOzoneMinimum Mandatory: F Data Type: D Number of Values: 5 Minimum Value: 0.0 Maximum Value: 700.0 Data Source: PGE Description: The minimum ozone (in DU) of each zone. References: > 1. "OMI Algorithm Theoretical Basis Document, Volume II, OMI Ozone Products" (OMI-ATBD-VOL2, ATBD-OMI-02, Version 2.0, August 2002) 2. "HDF-EOS Aura File Format Guidelines" (OMI-AURA-DATA-GUIDE, Version 1.3, 16 October 2003) 3. "OMI Science Software Delivery Guide for Version 0.9" (OMI-SSDG-0.9.8, Version 0.9.8, 14 August 2003) 4. "OMI GDPS Input/Output Data Specification (IODS) Volume 2" (OMI-GDPS-IODS-2, SD-OMIE-7200-DS-467, 9 April 2003) 5. "Release 6A Implementation Earth Science Data Model for the ECS Project" (420-TP-022-002, June 2001) (http://edhs1.gsfc.nasa.gov/waisdata/rel6/html/tp4202202.html and http://edhs1.gsfc.nasa.gov/waisdata/rel6/html/tp42022_adds.html) 6. "OMI L2 - L4 Metadata Reference Guide" (3 July 2002) (https://omiwww.gsfc.nasa.gov/mlinda/OMImetadataRefGuide.html)