DAP4 Data Request FormTROPESS_OMI-Aura_L2_Standard_O3_20221107_MUSES_R1p19_FS_F0p6.nc
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dataset: TROPESS_OMI-Aura_L2_Standard_O3_20221107_MUSES_R1p19_FS_F0p6.nc

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Global Attributes
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      • HDF5_GLOBAL
        • ShortName: TRPSDL2O3OMIFS
        • LongName: TROPESS OMI-Aura L2 Ozone for Forward Stream, Standard Product
        • title: TROPESS OMI-Aura L2 Ozone for Forward Stream, Standard Product
        • VersionID: 1
        • IdentifierProductDOIAuthority: https://doi.org/
        • IdentifierProductDOI: 10.5067/HL2UFH62ELJO
        • Format: NetCDF-4
        • ProductionDateTime: 2023-02-14T07:07:19Z
        • RangeBeginningDate: 2022-11-07
        • RangeBeginningTime: 00:00:00.0
        • RangeEndingDate: 2022-11-07
        • RangeEndingTime: 23:59:59.0
        • ProcessingLevel: 2
        • GranuleID: TROPESS_OMI-Aura_L2_Standard_O3_20221107_MUSES_R1p19_FS_F0p6.nc
        • SouthBoundingCoordinate: -66.000000000000000
        • NorthBoundingCoordinate: 55.000000000000000
        • WestBoundingCoordinate: -180.00000000000000
        • EastBoundingCoordinate: 180.00000000000000
        • source: MUSES v1.19
        • history: 20230214T070719Z: original file created at TROPESS SIPS
        • Conventions: CF-1.8
        • MeasuredParameter: O3
        • Platform: Aura
        • Instrument: OMI
      • observation_ops
        • comment: observation operators
        • fullnamepath: /observation_ops
      • geophysical
        • comment: geophysical attributes
        • fullnamepath: /geophysical
      • retrieval
        • comment: additonal retrieval data
        • fullnamepath: /retrieval
      • geolocation
        • comment: OMI geolocation information
        • fullnamepath: /geolocation
Global Dimensions
[ /target = 0..4396 ] [ /level = 0..25 ] [ /datetime_utc_dim = 0..5 ]
Variables
observation_ops_averaging_kernel[ /target= 0..4396] [ /level= 0..25] [ /level= 0..25] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: logarithmic_averaging_kernel
    • comment: Sensitivity of the retrieved state ln(VMR) to the true state ln(VMR).
    • units: 1
    • missing_value: -999.0000000
    • source: MUSES:Lite:AveragingKernel
    • origname: averaging_kernel
    • fullnamepath: /observation_ops/averaging_kernel
    • coordinates: observation_ops_longitude observation_ops_latitude
observation_ops_signal_dof[ /target= 0..4396] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: degrees_of_freedom_for_signal
    • comment: Degrees of Freedom for Signal; trace of averaging kernel
    • units: 1
    • missing_value: -999.0000000
    • source: MUSES:Lite:DOFs
    • origname: signal_dof
    • fullnamepath: /observation_ops/signal_dof
    • coordinates: observation_ops_longitude observation_ops_latitude
observation_ops_observation_error[ /target= 0..4396] [ /level= 0..25] [ /level= 0..25] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: logarithmic_observation_error
    • comment: Measurement + systematic + cross-state error of ln(VMR). Use for comparisons with other measurements and for assimilation.
    • units: 1
    • missing_value: -999.0000000
    • source: MUSES:Lite:ObservationErrorCovariance
    • origname: observation_error
    • fullnamepath: /observation_ops/observation_error
    • coordinates: observation_ops_longitude observation_ops_latitude
observation_ops_xa[ /target= 0..4396] [ /level= 0..25] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: apriori_profile
    • comment: A priori profile, as volume mixing ratio (VMR) relative to dry air
    • units: 1
    • missing_value: -999.0000000
    • source: MUSES:Lite:ConstraintVector
    • origname: xa
    • fullnamepath: /observation_ops/xa
    • coordinates: observation_ops_longitude observation_ops_latitude
observation_ops_x_test[ /level= 0..25] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: test_state
    • comment: The estimated state for target 0 based on x[0], xa[0], and avg_kernel[0], as volume mixing ratio (VMR) relative to dry air
    • units: 1
    • missing_value: -999.0000000
    • source: Derived:Python: x_test = np.exp(np.log(xa[0]) + averaging_kernel[0] @ (np.log(x[0]) - np.log(xa[0])))
    • origname: x_test
    • fullnamepath: /observation_ops/x_test
time[ /target= 0..4396] (Type is Float64)
  • attributes
    • _FillValue: -999.00000000000000
    • long_name: time_tai93
    • standard_name: time
    • comment: Earth view target midtime as International Atomic Time (TAI) seconds since 1993-01-01 00:00:00
    • units: seconds since 1993-01-01 00:00:00
    • missing_value: -999.00000000000000
    • source: MUSES:Lite:Time
    • origname: time
    • fullnamepath: /time
longitude[ /target= 0..4396] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: longitude
    • standard_name: longitude
    • comment: longitude of earth view target center
    • units: degrees_east
    • valid_range: -180.0000000, 180.0000000
    • missing_value: -999.0000000
    • source: MUSES:Lite:Longitude
    • origname: longitude
    • fullnamepath: /longitude
latitude[ /target= 0..4396] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: latitude
    • standard_name: latitude
    • comment: latitude of earth view target center
    • units: degrees_north
    • valid_range: -90.00000000, 90.00000000
    • missing_value: -999.0000000
    • source: MUSES:Lite:Latitude
    • origname: latitude
    • fullnamepath: /latitude
altitude[ /target= 0..4396] [ /level= 0..25] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: altitude
    • standard_name: altitude
    • comment: Altitude at each target.
    • units: m
    • coordinates: longitude latitude
    • missing_value: -999.0000000
    • source: MUSES:Lite:Altitude
    • origname: altitude
    • fullnamepath: /altitude
geophysical_day_night_flag[ /target= 0..4396] (Type is Int16)
  • attributes
    • _FillValue: -999
    • long_name: day_night_flag
    • standard_name: sunlit_binary_mask
    • comment: If target is during the day == 1, otherwise == 0
    • flag_values: 0, 1
    • flag_meanings: night day
    • missing_value: -999
    • source: MUSES:Lite:DayNightFlag
    • origname: day_night_flag
    • fullnamepath: /geophysical/day_night_flag
geophysical_surface_temperature[ /target= 0..4396] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: surface_temperature
    • standard_name: surface_temperature
    • comment: Surface temperature
    • units: K
    • missing_value: -999.0000000
    • source: MUSES:Lite:Retrieval/SurfaceTemperature
    • origname: surface_temperature
    • fullnamepath: /geophysical/surface_temperature
geophysical_land_flag[ /target= 0..4396] (Type is Int32)
  • attributes
    • _FillValue: -999
    • long_name: land_flag
    • standard_name: land_binary_mask
    • comment: If target is over land == 1, otherwise == 0
    • flag_values: 0, 1
    • flag_meanings: water land
    • missing_value: -999
    • source: MUSES:Lite:LandFlag
    • origname: land_flag
    • fullnamepath: /geophysical/land_flag
geophysical_average_cloud_eod[ /target= 0..4396] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: average_cloud_effective_optical_depth
    • comment: Average cloud effective optical depth
    • units: 1
    • missing_value: -999.0000000
    • source: MUSES:Lite:Retrieval/AverageCloudEffOpticalDepth
    • origname: average_cloud_eod
    • fullnamepath: /geophysical/average_cloud_eod
geophysical_cloud_top_pressure[ /target= 0..4396] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: cloud_top_pressure
    • standard_name: air_pressure_at_cloud_top
    • comment: Pressure of inferred cloud top
    • units: hPa
    • missing_value: -999.0000000
    • source: MUSES:Lite:Retrieval/CloudTopPressure
    • origname: cloud_top_pressure
    • fullnamepath: /geophysical/cloud_top_pressure
datetime_utc[ /target= 0..4396] [ /datetime_utc_dim= 0..5] (Type is Int32)
  • attributes
    • _FillValue: -999
    • long_name: datetime_utc
    • comment: UTC expressed as an array of integers year, month, day, hour, minute, second
    • units: 1
    • coordinates: longitude latitude
    • missing_value: -999
    • source: MUSES:Lite:UT_Hour
    • origname: datetime_utc
    • fullnamepath: /datetime_utc
pressure[ /target= 0..4396] [ /level= 0..25] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: pressure
    • standard_name: air_pressure
    • comment: Atmospheric pressure used for retrieval at each target.
    • units: hPa
    • coordinates: longitude latitude
    • missing_value: -999.0000000
    • source: MUSES:Lite:Pressure
    • origname: pressure
    • fullnamepath: /pressure
retrieval_air_density[ /target= 0..4396] [ /level= 0..25] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: air_density
    • comment: Density of air
    • units: mol m-3
    • missing_value: -999.0000000
    • source: MUSES:Lite:Retrieval/AirDensity
    • for_molecules_per_cm3_multiply_by: 6.022140634e+17
    • origname: air_density
    • fullnamepath: /retrieval/air_density
    • coordinates: retrieval_longitude retrieval_latitude
geolocation_omi_atrack[ /target= 0..4396] (Type is Int16)
  • attributes
    • _FillValue: -999
    • long_name: omi_along_track
    • comment: OMI along-track index
    • units: 1
    • missing_value: -999
    • source: MUSES:Lite:Geolocation/OMI_Atrack_Index
    • origname: omi_atrack
    • fullnamepath: /geolocation/omi_atrack
geolocation_omi_xtrack_uv1[ /target= 0..4396] (Type is Int16)
  • attributes
    • _FillValue: -999
    • long_name: omi_cross_track_UV1
    • comment: OMI cross-track UV1 index
    • units: 1
    • missing_value: -999
    • source: MUSES:Lite:Geolocation/OMI_XTrack_Index_uv1
    • origname: omi_xtrack_uv1
    • fullnamepath: /geolocation/omi_xtrack_uv1
    • coordinates: geolocation_longitude geolocation_latitude
geolocation_omi_xtrack_uv2[ /target= 0..4396] (Type is Int16)
  • attributes
    • _FillValue: -999
    • long_name: omi_cross_track_UV2
    • comment: OMI cross-track UV2 index
    • units: 1
    • missing_value: -999
    • source: MUSES:Lite:Geolocation/OMI_XTrack_Index_uv2
    • origname: omi_xtrack_uv2
    • fullnamepath: /geolocation/omi_xtrack_uv2
    • coordinates: geolocation_longitude geolocation_latitude
geolocation_omi_view_ang[ /target= 0..4396] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: omi_view_angle
    • standard_name: sensor_view_angle
    • comment: OMI view angle
    • units: degree
    • valid_range: 0.000000000, 90.00000000
    • missing_value: -999.0000000
    • source: MUSES:Lite:Geolocation/PointingAngle_OMI
    • origname: omi_view_ang
    • fullnamepath: /geolocation/omi_view_ang
x[ /target= 0..4396] [ /level= 0..25] (Type is Float32)
  • attributes
    • _FillValue: -999.0000000
    • long_name: ozone_vmr_profile
    • comment: Retrieved profile, as volume mixing ratio (VMR) relative to dry air
    • units: 1
    • coordinates: longitude latitude
    • missing_value: -999.0000000
    • source: MUSES:Lite:Species
    • origname: x
    • fullnamepath: /x
year_fraction[ /target= 0..4396] (Type is Float64)
  • attributes
    • _FillValue: -999.00000000000000
    • long_name: year_fraction
    • comment: Year plus fraction of the year
    • units: year
    • missing_value: -999.00000000000000
    • source: MUSES:Lite:YearFloat
    • origname: year_fraction
    • fullnamepath: /year_fraction
datetime_utc_dim[ /datetime_utc_dim= 0..5] (Type is Float32)
no attributes
level[ /level= 0..25] (Type is Float32)
no attributes
target[ /target= 0..4396] (Type is Float32)
no attributes
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