Shortname: OMCLDO2 Longname: OMI/Aura Cloud Pressure and Fraction (O2-O2 Absorption) 1-Orbit L2 Swath 13x24km PSF Version: 2.0.2 Date: 27 October 2017 Author(s): Pepijn Veefkind, Maarten Sneep (KNMI) PGE Version: 2.0.0.9 Lead Algorithm Scientist: Pepijn Veefkind (KNMI) Lead Algorithm Developer: Maarten Sneep (KNMI) Lead PGE Developer: Jussi Johansson (SSF) PGE Developer(s): Jussi Johansson (SSF) Description: > This document specifies the product format for the OMCLDO2 Level 2 PGE, which uses the O2-O2 absorption band at 477 nm to determine the cloud fraction and cloud pressure from OMI VIS 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 1 to 30 Mb. Global Metadata: - Metadata Name: InstrumentName Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Valids are "HIRDLS", "MLS", "OMI" and "TES". Data Source: PCF Description: Actual is "OMI" (see Section 6.1 of Reference 2). - Metadata Name: ProcessLevel Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PCF Description: Actual is "2" (see Reference 7). - Metadata Name: GranuleMonth Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 1 to 12 Data Source: PGE Description: The month at the start of the granule. - Metadata Name: GranuleDay Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 1 to 31 Data Source: PGE Description: The day of the month at the start of the granule. - Metadata Name: GranuleYear Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 2003 to 2099 Data Source: PGE Description: The (four-digit) year at the start of the granule. - Metadata Name: TAI93At0zOfGranule Mandatory: T Data Type: HE5T_NATIVE_DOUBLE Number of Values: 1 Range or Valids: 0.0d+00 to 1.0d+30 Data Source: PGE Description: TAI time at 00:00 UTC at date of start of granule. - Metadata Name: PGEVersion Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Range is "0.0.0" to "9.9.99". Data Source: PGE Description: Example is "0.9.20" (see Appendix K of Reference 3). - Metadata Name: ProcessingSystem Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Valids are "OFFLINE", "NRT" and "VFD". Data Source: PCF Description: Actual is "OFFLINE" for OSIPS processing. - Metadata Name: CloudFractionHistogram Mandatory: T Data Type: HE5T_NATIVE_INT32 Number of Values: 10 Range or Valids: 0 to 1000000 Data Source: PGE Description: > Histogram of the cloud fraction in the granule, with a bin size of 0.10. - Metadata Name: CloudPressureHistogram Mandatory: T Data Type: HE5T_NATIVE_INT32 Number of Values: 21 Range or Valids: 0 to 1000000 Data Source: PGE Description: > Histogram of the cloud pressures in the granule, with a bin size of 50 hPa. - Metadata Name: CloudAlbedo Mandatory: T Data Type: HE5T_NATIVE_FLOAT Number of Values: 1 Range or Valids: Range is 0.0 to 1.0. Data Source: PGE Description: > Cloud albedo as used for deriving the cloud parameters. - Metadata Name: SolarProductMissing Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 1 Data Source: PGE Description: > Set if the Solar product could not be opened, read, is in unexpected format or the data is missing. The Backup product is used in this case. - Metadata Name: SolarProductOutOfDate Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 1 Data Source: PGE Description: > Set if the difference of the dates of the measurements of the Earth radiance and Solar irradiance is larger than maxSolarAge. - Metadata Name: SolarIrradianceWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 1 Data Source: PGE Description: > Set if QAPctIrradianceWarning is larger than 0. - Metadata Name: BackupSolarProductUsed Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 1 Data Source: PGE Description: > Set if the backup Solar product is used instead of the normal Solar product. - Metadata Name: ParametersInconsistent Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 1 Data Source: PGE Description: > Set if there is an inconsistency between the OPF parameters and the parameters of the LUTs. - Metadata Name: RadianceParametersMissing Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 1 Data Source: PGE Description: > Set if any of the general parameters from the L1B radiance product are missing. - Metadata Name: SnowIceProductMissing Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 1 Data Source: PGE Description: > Set if the SnowIce product could not be opened, read or is in unexpected format. - Metadata Name: RadianceScienceQualityFlag Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: > Valids are "Passed", "Failed", "Being Investigated", "Not Investigated", "Inferred Passed", "Inferred Failed" and "Suspect". Data Source: PGE Description: > Set to the value set for the radiance product ScienceQualityFlag metadata attribute. - Metadata Name: IrradianceScienceQualityFlag Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: > Valids are "Passed", "Failed", "Being Investigated", "Not Investigated", "Inferred Passed", "Inferred Failed" and "Suspect". Data Source: PGE Description: > Set to the value set for the Solar product ScienceQualityFlag metadata attribute. - Metadata Name: WavelengthCalibrationMethod Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Valids are "assigned" and "fitted" Data Source: PGE Description: > In the Level 1B radiance spectra two wavelength scales are available from version 1.1.3 of the level 1B onwards. However the fitted wavelengths are not available in all data sets. The fitted wavelength assignment is rather time intensive to calculate, and is therefore omitted from NRT and VFD data. This meta data item indicates which wavelengths were used. The value "assigned" indicates that the old wavelengths were used, the value "fitted indicates that the new wavelengths were used. - Metadata Name: QAPctSunGlint Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 GroundPixelQualityFlags bit 4 is set. - Metadata Name: QAPctEclipse Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 GroundPixelQualityFlags bit 5 is set. - Metadata Name: QAPctIrradianceWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 0 is set. - Metadata Name: QAPctRadianceMissing Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 1 is set. - Metadata Name: QAPctRadianceError Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 2 is set. - Metadata Name: QAPctRadianceWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 3 is set. - Metadata Name: QAPctNoSnowIceData Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 4 is set. - Metadata Name: QAPctFitError Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 5 is set - Metadata Name: QAPctFitWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 6 is set - Metadata Name: QAPctCloudFractionMissing Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 7 is set - Metadata Name: QAPctCloudFractionWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 8 is set - Metadata Name: QAPctCloudPressureMissing Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 9 is set - Metadata Name: QAPctCloudPressureWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 10 is set - Metadata Name: QAPctExtrapolationWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 11 is set - Metadata Name: QAPctCloudFractionClipped Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 12 is set - Metadata Name: QAPctWavelengthRegistrationWarning Mandatory: F Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 13 is set - Metadata Name: QAPctCloudPressureClipped Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 14 is set - Metadata Name: QAPctScdCorrectionWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of ground pixels for which L2 ProcessingQualityFlags bit 15 is set - Metadata Name: QAPctMeasMissing Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of measurements for which L2 MeasurementQualityFlags bit 0 is set - Metadata Name: QAPctMeasError Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of measurements for which L2 MeasurementQualityFlags bit 1 is set - Metadata Name: QAPctMeasWarning Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of measurements for which L2 MeasurementQualityFlags bit 2 is set - Metadata Name: QAPctRebinned Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of measurements for which L2 MeasurementQualityFlags bit 3 is set - Metadata Name: QAPctSAA Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of measurements for which L2 MeasurementQualityFlags bit 4 is set - Metadata Name: QAPctSpacecraftManeuver Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of measurements for which L2 MeasurementQualityFlags bit 5 is set - Metadata Name: QAPctInstrumentSettingsError Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > Percent of measurements for which L2 MeasurementQualityFlags bit 6 is set - Metadata Name: OPF_opfVersion Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_fittingWindow Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_fittingWindowColumnRange Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_level1ReadBufferSize Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_level2WriteBufferSize Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_meritFunction Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_fittingPolydegree Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_interpolationMethod Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. # Cutwindow is commented out because presently it is not used # - Metadata Name: OPF_cutWindow # Mandatory: F # Data Type: HE5T_NATIVE_CHAR # Number of Values: 1 # Range or Valids: Not applicable (free format). # Data Source: OPF # Description: OPF parameter. - Metadata Name: OPF_szaSplineInterpolation Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format) Data Source: OPF Description: > OPF parameter describing the use of spline interpolation in the lookup table when interpolating over the solar zenith angle. - Metadata Name: OPF_XTrackQualityFlagsErrorMask Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format) Data Source: OPF Description: > Values in the XTrackQualityFlags that indicate the presence of the row anomaly are translated into warning flags. This mask can promote certain mask values to true errors. A non-zero value of the bitwise AND of this value and the XTrackQualityFlags sets an error-bit (Radiance Error, bit 2) in the ProcessingQualityFlags. - Metadata Name: OPF_UseWavelengthFitCoefficient Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format) Data Source: OPF Description: > The OPF allows for an override to force the use of the assigned wavelengths, rather than the fitted wavelengths. If this flag is set to zero in the OPF, then the assigned wavelengths are used. - Metadata Name: OPF_NO2ReferenceTemperature Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format) Data Source: OPF Description: Reference temperature (Kelvin) for the NO2 spectrum. - Metadata Name: OPF_amfAngleUpperLimit Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_O3ReferenceTemperature Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_O2O2ReferenceTemperature Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxNSolarWavelengthsFlagged Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxNEarthWavelengthsFlagged Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxNEarthWavelengthsFlaggedMissing Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxSolarWavelnPrecision Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxEarthWavelnPrecision Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxScdPrecision Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxContinuumReferencePrecision Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxCloudFractionPrecision Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxCloudPressurePrecision Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxFitRms Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsSCD Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsContinuumReference Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsCloudFraction Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsCloudPressure Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsEarthRad Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxEarthRadPrecision Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsSolarIrrad Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxSolarIrradPrecision Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsLatitude Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsLongitude Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsSZA Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsSAZ Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsVZA Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsVAZ Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsRAZ Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsSurfaceHeigth Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsSurfacePressure Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_limitsSurfaceAlbedo Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxSCDCovariance Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_maxSolarIrradianceAgeInDays Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_albedoSnow Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_albedoDefault Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_albedoLandThreshold Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_albedoWaterThreshold Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_albedoSeaIceNH Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_albedoSeaIceSH Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_automaticQualityFailed Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_automaticQualitySuspect Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_ContinuumWavelength Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_O3VcdFixed Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_MaxFillInExtentDistance Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_wavelengthRagistrationLimit Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_PTprofileN Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_PTprofileP Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_PTprofileT Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. - Metadata Name: OPF_NumberOfIterationOutlierDetection Mandatory: F Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: OPF Description: OPF parameter. Swath Metadata: - Metadata Name: NumTimes Mandatory: T Data Type: HE5T_NATIVE_INT32 Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of "scan" lines in the swath. - Metadata Name: NumTimesSmallPixelUV Mandatory: T Data Type: HE5T_NATIVE_INT32 Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of small pixel "scan" lines in the swath in the UV channel. - Metadata Name: NumTimesSmallPixelVIS Mandatory: T Data Type: HE5T_NATIVE_INT32 Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of small pixel "scan" lines in the swath in the VIS channel. - Metadata Name: VerticalCoordinate Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Valids are "Pressure", "Altitude", "Potential Temperature" and "Total Column". Data Source: PGE Description: Actual is "Total Column" (see Section 6.2 of Reference 2). Swath Dimensions: - Dimension Name: nXtrack Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Range or Valids: 1 to 120 Data Source: L1B Description: The number of ground pixels per OMI measurement. - Dimension Name: nTimes Data Type: HE5T_NATIVE_INT Dimension Type: UNLIMITED Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of OMI measurements. - Dimension Name: nTimesSmallPixelUV Data Type: HE5T_NATIVE_INT Dimension Type: UNLIMITED Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of OMI small pixel measurements in the UV-2 channel. - Dimension Name: nTimesSmallPixelVIS Data Type: HE5T_NATIVE_INT Dimension Type: UNLIMITED Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of OMI small pixel measurements in the VIS channel. Geolocation Fields: - Field Name: Time Data Type: HE5T_NATIVE_DOUBLE Dimensions: nTimes Range or Valids: 0.0d+00 to 1.0d+30 Missing Value: "-1.2676506002282294d+30" Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: s Data Source: L1B Title: "Time at Start of Scan (s, TAI93)" Unique Field Definition: Aura-Shared Description: > The TAI93 time (in s) at the start of the "scan". - Field Name: Latitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -90.0 to 90.0. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: deg Data Source: L1B Title: "Latitude of the center of the groundpixel" Unique Field Definition: Aura-Shared Description: > The geodetic latitude (in degrees) at the center of the ground pixel. - Field Name: Longitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -180.0 to 180.0. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: deg Data Source: L1B Title: "Longitude of the center of the groundpixel" Unique Field Definition: Aura-Shared Description: > The geodetic longitude (in degrees) at the center of the ground pixel. - Field Name: SpacecraftLatitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nTimes Range or Valids: Range is -90.0 to 90.0. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: deg Data Source: L1B Title: "Geodetic Latitude above WGS84 ellipsoid" Unique Field Definition: HIRDLS-OMI-TES-Shared Description: > The geodetic latitude (in degrees) of the spacecraft. - Field Name: SpacecraftLongitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nTimes Range or Valids: Range is -180.0 to 180.0. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: deg Data Source: L1B Title: "Geodetic Longitude above WGS84 ellipsoid" Unique Field Definition: HIRDLS-OMI-TES-Shared Description: > The geodetic longitude (in degrees) of the spacecraft. - Field Name: SpacecraftAltitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nTimes Range or Valids: 600.0 to 800.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: m Data Source: L1B Title: "Altitude above WGS84 ellipsoid" Unique Field Definition: HIRDLS-OMI-TES-Shared Description: > The altitude (in meters) of the spacecraft. - Field Name: SolarZenithAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is 0.0 to 90.0. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: deg Data Source: L1B Title: "Solar zenith angle at WGS84 ellipsoid for center co-ordinate of the ground pixel" Unique Field Definition: Aura-Shared Description: > The solar zenith angle (in deg) at the center of the ground pixel. - Field Name: SolarAzimuthAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -180.0 to 180.0. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: deg(EastOfNorth) Data Source: L1B Title: "Solar azimuth angle at WGS84 ellipsoid for center co-ordinate of the ground pixel, defined East-of-North" Unique Field Definition: OMI-TES-Shared Description: > The solar azimuth angle (in deg) at the center of the ground pixel. - Field Name: ViewingZenithAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is 0.0 to 75.0. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: deg Data Source: L1B Title: "Viewing zenith angle at WGS84 ellipsoid for center co-ordinate of the ground pixel" Unique Field Definition: OMI-Specific Description: > The viewing zenith angle (in deg) at the center of the ground pixel. - Field Name: ViewingAzimuthAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -180.0 to 180.0. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: deg(EastOfNorth) Data Source: L1B Title: "Viewing azimuth angle at WGS84 ellipsoid for center co-ordinate of the ground pixel, defined East-of-North" Unique Field Definition: OMI-Specific Description: > The viewing azimuth angle (in deg) at the center of the ground pixel. - Field Name: TerrainHeight Data Type: HE5T_NATIVE_INT16 Dimensions: nXtrack,nTimes Range or Valids: Range is -100 to 10000. Missing Value: -32767 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: m Data Source: PGE Title: "Terrain height at the center co-ordinate of the ground pixel" Unique Field Definition: OMI-Specific Description: > The terrain height (in m) at the center of the ground pixel (from OMI Level 1B file). - Field Name: GroundPixelQualityFlags Data Type: HE5T_NATIVE_UINT16 Dimensions: nTimes,nXtrack Range or Valids: Not meaningful. Missing Value: Not Applicable Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: L1B Title: "Ground Pixel Quality Flags" Unique Field Definition: OMI-Specific 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: OrbitPhase Data Type: HE5T_NATIVE_FLOAT Dimensions: nTimes Range or Valids: Range is 0.0 to 1.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: L1B Title: "The place of OMI in orbit" Unique Field Definition: OMI-Specific Description: > The position of of OMI in the current orbit. O= orbit start, 1= orbit end. The orbit start is defined as spacecraft midnight, see L1B documentation Data Fields: - Field Name: CloudFraction Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Effective cloud fraction clipped between 0.0 and 1.0" Unique Field Definition: OMI-Specific Description: > Effective cloud fraction clipped between 0.0 and 1.0. - Field Name: CloudFractionNotClipped Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -0.2 to 1.5. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Effective cloud fraction." Unique Field Definition: OMI-Specific Description: > Effective cloud fraction. - Field Name: CloudFractionPrecision Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Precision of the effective cloud fraction" Unique Field Definition: OMI-Specific Description: > Precision of the effective cloud fraction. - Field Name: CloudPressure Data Type: HE5T_NATIVE_INT16 Dimensions: nXtrack,nTimes Range or Valids: 0 to 1100 Missing Value: -32767 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: hPa Data Source: PGE Title: "Effective cloud pressure clipped to the surface pressure" Unique Field Definition: OMI-Specific Description: > Effective cloud pressure limited to ensure that the cloud pressure is smaller or equal to the surface pressure.. - Field Name: CloudPressureNotClipped Data Type: HE5T_NATIVE_INT16 Dimensions: nXtrack,nTimes Range or Valids: 0 to 1100 Missing Value: -32767 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: hPa Data Source: PGE Title: "Effective cloud pressure, can be higher than the surface pressure" Unique Field Definition: OMI-Specific Description: > Effective cloud pressure that is not clipped to the surface pressure. - Field Name: CloudPressurePrecision Data Type: HE5T_NATIVE_INT16 Dimensions: nXtrack,nTimes Range or Valids: 0 to 1100 Missing Value: -32767 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: hPa Data Source: PGE Title: "Precision of the effective cloud pressure" Unique Field Definition: OMI-Specific Description: > Precision of the effective cloud pressure. - Field Name: SceneAlbedo Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Retrieved albedo when the scene is represented by a Lambertian surface" Unique Field Definition: OMI-Specific Description: > Retrieved albedo when the scene is represented by a Lambertian surface. - Field Name: SceneAlbedoPrecision Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Precision of the scene albedo" Unique Field Definition: OMI-Specific Description: > Precision of the scene albedo. - Field Name: ScenePressure Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1200.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Retrieved pressure when the scene is represented by a Lambertian surface" Unique Field Definition: OMI-Specific Description: > Retrieved pressure when the scene is represented by a Lambertian surface. - Field Name: ScenePressurePrecision Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Precision of the scene pressure" Unique Field Definition: OMI-Specific Description: > Precision of the scene pressure. - Field Name: SlantColumnAmountO2O2 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0e+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+43 Units: molecule^2 cm^-5 Data Source: PGE Title: "O2-O2 slant column density" Unique Field Definition: OMI-Specific Description: > Precision of the effective cloud fraction. - Field Name: SlantColumnAmountO2O2Precision Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0e+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d-43 Units: molecule^2 cm^-5 Data Source: PGE Title: "Precision of the O2-O2 slant column density" Unique Field Definition: OMI-Specific Description: > Precision of the O2-O2 slant column density. - Field Name: SlantColumnAmountO2O2CorrectionFactor Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: -100 to 100 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0 Units: NoUnits Data Source: PGE Title: "Slant column Amount O2O2 temperature correction factor" Unique Field Definition: OMI-Specific Description: > Slant column Amount O2O2 temperature correction factor. - Field Name: ContinuumAtReferenceWavelength Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0e+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Continuum reflectance at reference wavelength" Unique Field Definition: OMI-Specific Description: > Fitted Sun-normalized radiance at the reference wavelength. - Field Name: ContinuumAtReferenceWavelengthPrecision Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0e+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Precision of the continuum reflectance at reference wavelength" Unique Field Definition: OMI-Specific Description: > Precision of the fitted Sun-normalized radiance at the reference wavelength. - Field Name: SlantColumnAmountO3 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: -40.0 to 10000.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: DU Data Source: PGE Title: "Ozone slant column density" Unique Field Definition: OMI-Specific Description: > Ozone Slant Column Density (in DU). Ozone is fitted as an additional specie. The quality will not be comparable to the dedicated ozone algorithm. - Field Name: SlantColumnAmountO3Precision Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 10000.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: DU Data Source: PGE Title: "Precision of the ozone slant column density" Unique Field Definition: OMI-Specific Description: > Precision of the Ozone Slant Column Density (in DU). - Field Name: SlantColumnAmountNO2 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: -40.0 to 10000.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: molec/cm2 Data Source: PGE Title: "NO2 slant column density" Unique Field Definition: OMI-Specific Description: > NO2 Slant Column Density (in DU). NO2 is fitted as an additional specie. The quality will not be comparable to the dedicated NO2 algorithm. - Field Name: SlantColumnAmountNO2Precision Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 10000.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: molec/cm2 Data Source: PGE Title: "Precision of the NO2 slant column density" Unique Field Definition: OMI-Specific Description: > Precision of the NO2 Slant Column Density (in DU). - Field Name: RingCoefficient Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -1e+30 to 1.0e+30. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: molecule cm^-2 Data Source: PGE Title: "Fitted ring coefficient" Unique Field Definition: OMI-Specific Description: > Fitted amount of Ring effect. - Field Name: RingCoefficientPrecision Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -1e+30 to 1.0e+30. Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: molecule cm^-2 Data Source: PGE Title: "Precision of the fitted ring coefficient" Unique Field Definition: OMI-Specific Description: > Precision of the fitted amount of Ring effect. - Field Name: TerrainPressure Data Type: HE5T_NATIVE_INT16 Dimensions: nXtrack,nTimes Range or Valids: 0 to 1500 Missing Value: -32767 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: hPa Data Source: PGE Title: "Pressure of the center of the ground pixel" Unique Field Definition: OMI-Specific Description: > Pressure of the center of the ground pixel in hPa. - Field Name: TerrainReflectivity Data Type: HE5T_NATIVE_INT8 Dimensions: nXtrack,nTimes Range or Valids: 0 to 100 Missing Value: -127 Offset: 0.0d+00 Scale Factor: 1.0d-02 Units: NoUnits Data Source: PGE Title: "Reflectivity of the ground pixel" Unique Field Definition: OMI-Specific Description: > Reflectivity of the ground pixel, scaled by a factor 100. - Field Name: SnowIceExtent Data Type: HE5T_NATIVE_UINT8 Dimensions: nXtrack,nTimes Range or Valids: 0 to 255 Missing Value: 255 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: L2 OMCLDO2 Title: "Snow Ice extent information. Uses the NISE convention." Unique Field Definition: OMI-Specific Description: > Snow Ice extent information. Uses the NISE convention (see Reference 8). - Field Name: ChiSquaredOfFit Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0e+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Chi-squared diagnostics of DOAS fit" Unique Field Definition: OMI-Specific Description: > Chi-squared diagnostics of DOAS fit. - Field Name: RootMeanSquareErrorOfFit Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0e+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Root-mean-square error of DOAS fit" Unique Field Definition: OMI-Specific Description: > Root-mean-square error of DOAS fit. - Field Name: MeasurementQualityFlags Data Type: HE5T_NATIVE_UINT8 Dimensions: nTimes Range or Valids: Not meaningful Missing Value: Not applicable Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Bit level quality flags at measurement level" Unique Field Definition: OMI-Specific Description: > Bit Description Bit 0 Measurement Missing Flag Set if all Ground Pixels give Earth Radiance Missing Flag. Bit 1 Measurement Error Flag Set if any of the L1B MeasurementQualityFlags bit 0, 1 or 3 are set for the Radiance or for the used Solar product. Bit 2 Measurement Warning Flag Set if any of the L1B MeasurementQualityFlags bit 2, 4, 5, 8, 9 are set for the Radiance or for the used Solar product. Bit 3 Rebinned Measurement Flag Set if L1B radiance MeasurmentQualityFlags bit 7 is set to 1. Bit 4 SAA Flag Set if L1B MeasurmentQualityFlags bit 10 is set to 1, for the Radiance or for the used Solar product. Bit 5 Spacecraft Maneuver Flag Set if L1B MeasurmentQualityFlags bit 11 is set to 1, for the Radiance for the used Solar product. Bit 6 Instrument Settings Error Flag The Earth and Solar InstrumentConfigurationIDs are not compatible. Bit 7 Reserved. - Field Name: XTrackQualityFlags Data Type: HE5T_NATIVE_INT8 Dimensions: nXtrack, nTimes Range or Valids: Not meaningful Missing Value: 255 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: L1B Title: "Across Track Quality Flags" Unique Fields Definition: OMI-Specific Description: > The data in this field has to be split into two sub-fields. Bits 0-3 indicate a value: Value 0 Not affected by row anomaly, pixel can be used. 1 Affected by row anomaly; pixel not corrected, do not use pixel. 2 Slightly affected by row anomaly; pixel not corrected, pixel can be used with caution. 3 Affected by row anomaly; pixel is corrected, but correction is not optimal, use pixel with caution. 4 Affected by row anomaly; pixel is corrected, and correction is optimal, pixel can be used, but is still less accurate than pixels not affected by row anomaly. 7 Error during correction for row anomaly. Do not use pixel. Bits 4-7 are bit-flags indicating the type of the row anomaly that is present in the pixel: bit 4 Pixel may be affected by the wavelength-shift effect. bit 5 Pixel may be affected by the blockage effect. bit 6 Pixel may be affected by the stray sunlight effect. bit 7 Pixel may be affected by the stray earth radiance effect. If not present in L1B, all pixels are set to 255 (MissingValue). - Field Name: ProcessingQualityFlags Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack, nTimes Range or Valids: Not meaningful Missing Value: Not applicable Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Bit level quality flags at ground pixel level" Unique Field Definition: OMI-Specific Description: > Bit Description Bit 0 Solar Irradiance Warning Flag For any of the irradiance pixels contained in the fit window: L1B PixelQualityFlags bit 3-10 is set wavelenghtPrecision > maxWavelengthPrecision wavelengthPrecision <= 0 wavelengthPrecision contains fill value irradiancePrecision > maxIrradiancePrecision irradiancePrecision <= 0 irradiancePrecision contains fill value Bit 1 Earth Radiance Missing Flag For this ground pixel the number of spectral pixels flagged with the L1B PixelQualityFlags bit 0 is larger than threshold set in the OPF, or the number of spectral pixels is too small to perform the fitting. Bit 2 Earth Radiance Error Flag For this ground pixel the number of spectral pixels flagged with the L1B PixelQualityFlags bit 0-2 is larger than a threshold set in the OPF. L1B XTrackQualityFlags (when present) is 7. One of the bits in the L1B XTrackQualityFlags as indicated in the XTrackQualityFlagsErrorMask OPF parameters is set. Bit 3 Earth Radiance Warning Flag For any of the radiance pixels contained in the fit window: L1B PixelQualityFlags bit 3-10 is set wavelenghtPrecision > maxWavelengthPrecision wavelengthPrecision <= 0 wavelengthPrecision contains fill value radiancePrecision > maxRadiancePrecision radiancePrecision <= 0 radiancePrecision contains fill value Any of the radiance or geolocation fields used is out-of-bound L1B XTrackQualityFlags (when present) is 1, 2, 3, or 4. Bit 4 No Snow/Ice Data Flag Set if Snow Ice data from cloud product missing or invalid. Bit 5 DOAS Fit Error Flag Set if SCD fit returned errors. Bit 6 DOAS Fit Warning Flag Set if any of the following occurrences O2-O2 SCD precision > maxO2O2SCDPrecision ContinuumAtReferenceWavelengthPrecision > maxContinuumAtReferenceWavelengthPrecision RMS Error > RMSErrorFlag O2-O2 SCD covariance > max O2O2SCDCovariance ContinuumAtReferenceWavelength covariance > maxContinuumAtReferenceWavelength covariance O2-O2 SCD is less than minO2O2SCD or SCD is larger than maxO2O2SCD ContinuumAtReferenceWavelength is less than minContinuumAtReferenceWavelength or larger than maxContinuumAtReferenceWavelength Bit 7 Cloud Fraction Missing Flag Set if Cloud Fraction computation failed. Bit 8 Cloud Fraction Warning Flag Any of the following: SCD Warning Flag set Cloud Fraction computation returned warning Cloud Fraction less than minCF or cloud fraction is larger than maxCF Cloud Fraction precision > maxCFprecision Bit 9 Cloud Pressure Missing Flag Cloud Pressure computation failed. Bit 10 Cloud Pressure Warning Flag Any of the following: SCD Warning Flag set Cloud Pressure computation returned warning Cloud Pressure less than minCP or cloud pressure is larger than maxCPCloud Cloud pressure precision > maxCPprecision Bit 11 Extrapolation Warning Flag Any of the following: Cloud Fraction was obtained by extrapolation of the LUT Cloud Pressure was obtained by extrapolation of the LUT Bit 12 Cloud Fraction Clipped Warning Flag Set when the cloud fraction is larger than 1.0 or smaller than 0.0. In these cases the CloudFraction field is clipped to 0.0 or 1.0. Bit 13 Wavelength registration warning flag Set when the wavelength registration shift is larger than the value in the OPF. Bit 14 Cloud Pressure Clipped Warning Flag Set when the cloud pressure is larger than the surface pressure or smaller than 150.0 hPa. In these cases the CloudPressure field is clipped to the surface pressure or 150.0 hPa. Bit 15 SCD Correction warning Flag Set when the SCD temperature correction factor could not be computed. The fall-back scenario is to set the SCD correction factor to 1.0. - Field Name: MeanSunNormalizedRadiance Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 10000.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Mean Sun Normalized Radiance over the DOAS Fit Window" Unique Field Definition: OMI-Specific Description: > Mean Sun Normalized Radiance over the DOAS Fit Window. - Field Name: SmallPixelVarianceUV Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0d+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Relative variance of the radiance of the small pixel data of the UV channel" Unique Field Definition: OMI-Specific Description: > Relative variance of the radiance of the small pixel data of the UV channel. - Field Name: SmallPixelVarianceVIS Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0d+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Relative variance of the radiance of the small pixel data of the VIS channel" Unique Field Definition: OMI-Specific Description: > Relative variance of the radiance of the small pixel data of the VIS channel. - Field Name: SmallPixelMeanVIS Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0d+14 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: photons/s/cm^2/nm/sr Data Source: PGE Title: "Mean radiance of the small pixels for wich the variance was computed." Unique Field Definition: OMI-Specific Description: > Mean radiance of the small pixel data of the VIS channel. - Field Name: SmallPixelMeanUV Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 1.0d+14 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: photons/s/cm^2/nm/sr Data Source: PGE Title: "Mean radiance of the small pixels for wich the variance was computed." Unique Field Definition: OMI-Specific Description: > Mean radiance of the small pixel data of the UV channel. - Field Name: SmallPixelRadianceUV Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimesSmallPixelUV Range or Valids: 0.0 to 1.0d+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: photons/(s.nm.cm^2.sr) Data Source: L1B Title: "Radiance of small pixel data column of the UV channel" Unique Field Definition: OMI-Specific Description: > Radiance of small pixel data column of UV CCD. - Field Name: SmallPixelRadianceVIS Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimesSmallPixelVIS Range or Valids: 0.0 to 1.0d+30 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: photons/(s.nm.cm^2.sr) Data Source: L1B Title: "Radiance of small pixel data column of the VIS channel" Unique Field Definition: OMI-Specific Description: > Radiance of small pixel data column of VIS CCD. - Field Name: SmallPixelWavelengthUV Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack,nTimesSmallPixelUV Range or Valids: 250 to 500 Missing Value: 65535 Offset: 0.0d+00 Scale Factor: 1.0d-02 Units: nm Data Source: L1B Title: "Wavelength of small pixel column of the UV channel" Unique Field Definition: OMI-Specific Description: > Wavelength of small pixel column of UV CCD. - Field Name: SmallPixelWavelengthVIS Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack,nTimesSmallPixelVIS Range or Valids: 250 to 500 Missing Value: 65535 Offset: 0.0d+00 Scale Factor: 1.0d-02 Units: nm Data Source: L1B Title: "Wavelength of small pixel column of the VIS channel" Unique Field Definition: OMI-Specific Description: > Wavelength of small pixel column of VIS CCD. - Field Name: NumberOfSmallPixelColumnsUV Data Type: HE5T_NATIVE_INT8 Dimensions: nTimes Range or Valids: 0 to 100 Missing Value: -127 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: L1B Title: "Number of small pixels for current measurement of the UV channel" Unique Field Definition: OMI-Specific Description: > Number of small pixels for current measurement for the UV CCD. - Field Name: NumberOfSmallPixelColumnsVIS Data Type: HE5T_NATIVE_INT8 Dimensions: nTimes Range or Valids: 0 to 100 Missing Value: -127 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: L1B Title: "Number of small pixels for current measurement of the VIS channel" Unique Field Definition: OMI-Specific Description: > Number of small pixels for current measurement for the VIS CCD. - Field Name: NumberOfWavelengthsInFit Data Type: HE5T_NATIVE_INT16 Dimensions: nXtrack,nTimes Range or Valids: 0 to 1000 Missing Value: -32768 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: PGE Title: "Number of spectral pixels used in the DOAS fit" Unique Field Definition: OMI-Specific Description: > Number of spectral pixels used in the DOAS fit, after removing the spectral pixels flagged in the L1B and after removing detected outliers - Field Name: InstrumentConfigurationId Data Type: HE5T_NATIVE_UINT8 Dimensions: nTimes Range or Valids: 0 to 255 Missing Value: Not applicable Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: NoUnits Data Source: L1B Title: "Unique ID for instrument settings for current measurement" Unique Field Definition: OMI-Specific Description: > Unique ID for instrument settings for current measurement. - Field Name: WavelengthRegistrationCheck Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: -100.0 to 100.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: nm Data Source: PGE Title: > "Wavelength registration check of the L1B wavelength assignment based on the position of Fraunhofer absorption lines. This registration check can be applied as a correction, depending on an OPF parameter. See OPF_wavelengthRegistrationShiftRadianceGrid in the file attributes." Unique Field Definition: OMI-Specific Description: > A check of hte wavelength registration.Applied as a correction if the assigned wavelengths are used. - Field Name: WavelengthRegistrationCheckStd Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: -100.0 to 100.0 Missing Value: -1.2676506e+30 Offset: 0.0d+00 Scale Factor: 1.0d+00 Units: nm Data Source: PGE Title: "Precision of the wavelength registration" Unique Field Definition: OMI-Specific Description: > Precision of the wavelength registration check. Core Metadata: - Metadata Name: SizeMBECSDataGranule Mandatory: F Data Type: LF Number of Values: 1 Range or Valids: 0.00d+00 to 1.00d+04 Data Source: DSS Description: > - Metadata Name: ReprocessingPlanned Mandatory: T Data Type: VA45 Number of Values: 1 Range or Valids: > Valids are "no further update anticipated", "further update is anticipated" and "further update anticipated using enhanced PGE". Data Source: DP Description: Actual is "further update is anticipated". - Metadata Name: REPROCESSINGACTUAL Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "processed 1 time", "processed 2 times", etc... Data Source: PCF Description: > An indication of what reprocessing has been performed on the granule. - Metadata Name: LOCALVERSIONID Mandatory: T Data Type: VA Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PCF Description: > Actual is "RFC1321 MD5 = not yet calculated" - Metadata Name: LocalGranuleID Mandatory: T Data Type: VA80 Number of Values: 1 Range or Valids: > "OMI-Aura_L2-OMCLDO2_2003m0101t0000-o00000_v001-2003m0101t000000.he5" to "OMI-Aura_L2-OMCLDO2_2099m1231t2359-o99999_v999-2099m1231t235959.he5" Data Source: PGE Description: > Example is "OMI-Aura_L2-OMCLDO2_2002m0630t2354-o21434_v002-2003m0515t181917.he5" (see Appendix E of Reference 3). - Metadata Name: ProductionDateTime Mandatory: T Data Type: DT Number of Values: 1 Range or Valids: > "2003-01-01T00:00:00.000Z" to "2099-12-31T24:59:59.999Z" Data Source: TK Description: The date and time of the Level 2 processing. - Metadata Name: DayNightFlag Mandatory: T Data Type: VA40 Number of Values: 1 Range or Valids: Valids are "Day", "Night", "Both", "NA", "D", "N". Data Source: MCF Description: > Actual is "Day". - Metadata Name: ParameterName Mandatory: T Data Type: VA40 Number of Values: 1 Range or Valids: Valid is "Cloud_Fraction_and_Pressure". Data Source: PGE Description: > The measured science parameter expressed in the granule. - Metadata Name: AutomaticQualityFlag Mandatory: T Data Type: VA64 Number of Values: 1 Range or Valids: Valids are "Passed", "Suspect" and "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 Range or Valids: Not applicable (free format). Data Source: PGE Description: > Example: The value is based on a combination of the RadianceScienceQualityFlag, IrradianceScienceQualityFlag, QAPctRadianceError, QAPctFitError, QAPctCloudFractionMissing, QAPctCloudPressureMissing. Thresholds used: xx% for Failed and yy% for Suspect. xx% and yy% are set in the OPF settings of the PGE. - Metadata Name: OperationalQualityFlag Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "Passed", "Failed", "Being Investigated", "Not Investigated", "Inferred Passed", "Inferred Failed" and "Suspect". Data Source: MCF Description: > Actual is "Passed". - Metadata Name: OperationalQualityFlagExplanation Mandatory: T Data Type: VA255 Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: MCF Description: > This granule passed operational tests that were administered by the OMI SIPS. QA metadata was extracted and the file was successfully read using standard HDF-EOS utilities. - Metadata Name: ScienceQualityFlag Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "Passed", "Failed", "Being Investigated", "Not Investigated", "Inferred Passed", "Inferred Failed" and "Suspect". Data Source: DP Description: Actual is "Not Investigated". - Metadata Name: ScienceQualityFlagExplanation Mandatory: T Data Type: VA255 Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: DP Description: > An updated science quality flag and explanation is put in the product .met file when a granule has been evaluated. The flag value in this file, Not Investigated, is an automatic default that is put in every granule during production. - Metadata Name: QAPercentMissingData Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > The percent of the data in the granule that are missing. - Metadata Name: QAPercentOutofBoundsData Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > The percent of the data in the granule that are out of bounds data. - Metadata Name: OrbitNumber Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 1 to 999999 Data Source: L1B Description: The OMI orbit number. - Metadata Name: EquatorCrossingDate Mandatory: T Data Type: D Number of Values: 1 Range or Valids: Range is "2003-01-01" to "2099-12-31". 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 Range or Valids: Range is -1.80d-02 to 1.80d+02. 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 Range or Valids: Range is "01:00:0.000000" to "01:59:59.999999". Data Source: L1B Description: > The time of the ascending equator crossing in the granule. - Metadata Name: ShortName Mandatory: T Data Type: VA8 Number of Values: 1 Range or Valids: Valid is "OMCLDO2". Data Source: MCF Description: Actual is "OMCLDO2". - Metadata Name: VersionID Mandatory: T Data Type: SI Number of Values: 1 Range or Valids: 000 to 999 Data Source: MCF Description: Actual is 1. - Metadata Name: InputPointer Mandatory: T Data Type: VA255 Number of Values: 0 to 20 Range or Valids: > Valid file names, each in double quotes, separated by commas, all surrounded by curved brackets. Data Source: PGE Description: > Example is ("CLDTDS_GOMI.opf", "OMI-Aura_L1-OML1BRUG_2000d275t1854-o12151_v001-2002d332t1500.he4", "OMI-Aura_L1-OML1BRVG_2000d275t1854-o12151_v001-2002d332t1500.he4", "OMI-Aura_L1-OML1BIRR_2000d275t1854-o12151_v001-2002d332t1500.he4", "rsclim.he5", "cl.h5", "pl.h5", "ozoneRefSpec.dat", "o2o2RefSpec.dat", "ringRefSpecNorm.dat") - Metadata Name: RangeBeginningDate Mandatory: T Data Type: D Number of Values: 1 Range or Valids: Range is "2003-01-01" to "2099-12-31". 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 Range or Valids: Range is "00:00:00.000000" to "23:59:59.999999". 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 Range or Valids: 2003-01-01" to "2099-12-31" 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 Range or Valids: Range is "00:00:00.000000" to "23:59:59.999999". Data Source: L1B Description: > The hour, minute, second and fraction of a second when the granule ended. - Metadata Name: PGEVERSION Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Range is "0.0.0" to "9.9.99". Data Source: PCF Description: Example is "0.9.25" (see Appendix K of Reference 3). - Metadata Name: AssociatedInstrumentShortName Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: Valid is "OMI". Data Source: MCF Description: Actual is "OMI". - Metadata Name: AssociatedPlatformShortName Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: Valid is "Aura". Data Source: MCF Description: Actual is "Aura". - Metadata Name: AssociatedSensorShortName Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: Valids are "CCD Ultra Violet" and "CCD Visible". Data Source: MCF Description: Actual is "CCD Visible". - Metadata Name: OPERATIONMODE Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "Calibration", "Diagnostic", "Initialization", "Launch", "Normal", "Roll", "Routine", "Safe", "Solar Calibration", "Standby", "Survival" and "Test". Data Source: PCF Description: Actual is "Normal". Product Specific Attributes: - Metadata Name: NrMeasurements Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: > The number of measurements in the granule (per output product). - Metadata Name: NrZoom Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of measurements in zoom modes. - Metadata Name: NrSpatialZoom Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 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 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of measurements in spectral zoom mode. - Metadata Name: ExpeditedData Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Valids are "TRUE" and "FALSE". Data Source: L1B Description: The indicator for expedited L0 data. - Metadata Name: SouthAtlanticAnomalyCrossing Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Valids are "TRUE" and "FALSE". Data Source: L1B Description: > The indicator that during part of the measurements the spacecraft was in the SAA. - Metadata Name: SpacecraftManeuverFlag Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Valids are "TRUE", "FALSE" and "UNKNOWN". Data Source: L1B Description: > The indicator that during part of the measurements the spacecraft was performing a maneuver. - Metadata Name: SolarEclipse Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Valids are "TRUE" and "FALSE". Data Source: L1B Description: > The indicator that during part of the measurements a solar eclipse occurred. - Metadata Name: InstrumentConfigurationIDs Mandatory: T Data Type: SI Number of Values: 1 to 256 Range or Valids: 0 to 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 to 128 Range or Valids: 0.0 to 10.0 Data Source: L1B Description: > An array containing the master clock periods in seconds used for the measurements. - Metadata Name: ExposureTimes Mandatory: T Data Type: F Number of Values: 1 to 256 Range or Valids: 0.0 to 2000.0 Data Source: L1B Description: > An array containing the exposure times in seconds used for the measurements. - Metadata Name: PathNr Mandatory: T Data Type: I Number of Values: 1 to 500 Range or Valids: 1 to 466 Data Source: L1B Description: Number of the NOSE path within the repeat cycle. - Metadata Name: StartBlockNr Mandatory: T Data Type: SI Number of Values: 1 to 500 Range or Valids: 1 to 50 Data Source: L1B Description: Number of the NOSE start block along the track. - Metadata Name: EndBlockNr Mandatory: T Data Type: SI Number of Values: 1 to 500 Range or Valids: 1 to 50 Data Source: L1B Description: The number of the NOSE end block along the track. Archived Metadata: - Metadata Name: LongName Mandatory: T Data Type: VA80 Number of Values: 1 Range or Valids: > Valid is "OMI/Aura Cloud Pressure and Fraction (O2-O2 Absorption) 1-Orbit L2 Swath 13x24km" Data Source: MCF Description: > Actual is "OMI/Aura Cloud Pressure and Fraction (O2-O2 Absorption) 1-Orbit L2 Swath 13x24km" (see Section 7.0 of Reference 2). - Metadata Name: ESDTDescriptorRevision Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: Range is "0.0.0" to "9.9.99". Data Source: MCF Description: > The version of the ESDT descriptor file as determined by ECS. Actual is "0.9.40" References: > 1. "Clouds, Aerosols, and Surface UV Irradiance" (OMI-ATBD-VOL3, ATBD-OMI-03, 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-0.9.9, Version 0.9.9, 21 October 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) 7. "OMI Level 2 O2-O2 Cloud Data Product Specification " (SD-OMIE-KNMI-325, Issue 1.1, Draft) (January 2004) 8. "Near Real-Time SSM/I EASE-Grid Daily Global Ice Concentration and Snow Extent" (March 2002) (http://nsidc.org/data/docs/daac/nise1_nise.gd.html)