OPeNDAP Data Access Form for SNDR.SS1330.CHIRP.20210608T1724.m06.g175.L1_J1.std.v02_48.G.200609000041.nc
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dataset: SNDR.SS1330.CHIRP.20210608T1724.m06.g175.L1_J1.std.v02_48.G.200609000041.nc




  • NC_GLOBAL
    • keywords: EARTH SCIENCE > SPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > INFRARED RADIANCE
    • Conventions: CF-1.6, ACDD-1.3
    • history: 2021-06-08,23:57:10,s4pmops,ccast_main ../Jpss1_Cris_L1b/2.11.1/pge//uw_v2.1.3_deploy/l1b/inst_data/FIRfilter.mat /vol2/snppPro/OPS/s4pm/snpp/stations/J1_V2_FW/run_algorithm/RUNNING.RUN_Jpss1_Cris_L1b.2021159172400 /vol2/snppPro/OPS/s4pm/snpp/stations/J1_V2_FW/run_algorithm/RUNNING.RUN_Jpss1_Cris_L1b.2021159172400/l1b_template.nc ./SNDR.J1.CRIS.20210608T1724.m06.g175.L1A.std.v02_11.G.210608223322.nc ./SNDR.J1.CRIS.20210608T1718.m06.g174.L1A.std.v02_11.G.210608223322.nc ./SNDR.J1.CRIS.20210608T1730.m06.g176.L1A.std.v02_11.G.210608223322.nc || 2021-06-08T20:00:48Z s4pmops chirp_cris_main v1.1.1 20210608T1723
    • source: JPSS-1 CrIS Level-1B v2
    • processing_level: 1
    • product_name_type_id: L1_J1
    • comment:
    • acknowledgment: Support for this research was provided by NASA.
    • license: Freely Distributed
    • standard_name_vocabulary: CF Standard Name Table v28
    • date_created: 2021-06-08T20:00:48Z
    • creator_name: Unassigned
    • creator_email: gsfc-help-disc@lists.nasa.gov
    • creator_url: http://disc.sci.gsfc.nasa.gov/
    • institution: Goddard Space Flight Center - National Aeronautics and Space Administration
    • project: Sounder SIPS
    • product_name_project: SNDR
    • publisher_name: Goddard Earth Science Data and Information Services Center
    • publisher_email: gsfc-help-disc@lists.nasa.gov
    • publisher_url: http://disc.sci.gsfc.nasa.gov/
    • geospatial_bounds: POLYGON ((-4.90 -68.77, -1.64 -49.83, 19.15 -54.11, 15.78 -73.80, -4.90 -68.77))
    • geospatial_bounds_crs: EPSG:4326
    • geospatial_lat_min: -5.03443050
    • geospatial_lat_max: 19.2657986
    • geospatial_lon_min: -74.1239166
    • geospatial_lon_max: -49.5412445
    • time_coverage_start: 2021-06-08T17:24:00Z
    • time_of_first_valid_obs: 2021-06-08T17:24:00.166966Z
    • time_coverage_mid: 2021-06-08T17:27:00Z
    • time_coverage_end: 2021-06-08T17:30:00Z
    • time_of_last_valid_obs: 2021-06-08T17:30:00.166966Z
    • time_coverage_duration: P0000-00-00T00:06:00
    • product_name_duration: m06
    • creator_type: institution
    • creator_institution: Goddard Space Flight Center - National Aeronautics and Space Administration
    • keywords_vocabulary: GCMD:GCMD Keywords
    • platform: JPSS-1 > Joint Polar Satellite System - 1, SUOMI-NPP > Suomi National Polar-orbiting Partnership, AQUA > Earth Observing System
    • platform_vocabulary: GCMD:GCMD Keywords
    • product_name_platform: SS1330
    • instrument: AIRS > Atmospheric Infrared Sounder, CrIS > Cross-track Infrared Sounder
    • instrument_vocabulary: GCMD:GCMD Keywords
    • product_name_instr: CHIRP
    • product_name_variant: std
    • product_name_version: v02_48
    • product_name_producer: G
    • product_name_extension: nc
    • granule_number: 175
    • product_name_granule_number: g175
    • geospatial_lat_mid: 7.17841482
    • geospatial_lon_mid: -61.6502571
    • featureType: trajectory
    • data_structure: trajectory
    • cdm_data_type: Trajectory
    • id: 10.5067/WIG2N5C20MRJ
    • naming_authority: http://dx.doi.org/
    • identifier_product_doi: 10.5067/WIG2N5C20MRJ
    • identifier_product_doi_authority: http://dx.doi.org/
    • algorithm_version: v1.1.1
    • production_host: Linux ac23-local 3.10.0-1160.25.1.el7.x86_64 #1 SMP Wed Apr 28 21:49:45 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
    • format_version: v02.02.07
    • input_file_names: SNDR.J1.CRIS.20210608T1724.m06.g175.L1B.std.v02_11.G.210608235712.nc leap-seconds.list
    • input_file_types: CrIS_L1B data
    • input_file_dates: 2021-6-8 git repo
    • orbitDirection: Ascending
    • day_night_flag: Day
    • AutomaticQualityFlag: Passed
    • AutomaticQualityFlagExplanation: 'Passed': all spectra are present and calibrated with no quality issues; 'Suspect': at least one spectrum is missing or calibrated with quality issues; 'Failed': no calibrated spectra; 'Missing': no downlinked data.
    • qa_pct_data_missing: 0.00000000
    • qa_pct_data_geo: 100.000000
    • qa_pct_data_sci_mode: 100.000000
    • qa_no_data: FALSE
    • title: Sounder SIPS: Sun Synchronous 13:30 orbit Climate Hyperspectral InfraRed Product (CHIRP): Calibrated Radiances from EOS-Aqua, S-NPP, JPSS-1/NOAA-20
    • summary: The CHIRP Level 1 product for the 13:30 sun-synchronous orbit consists of calibrated radiance spectra at a common resolution derived from hyperspectral instruments on EOS-Aqua, S-NPP, and JPSS-1/NOAA-20 platforms adjusted to form a continuous climate-quality record.
    • shortname: SNDR13CHRP1
    • product_group: l1_chirp
    • metadata_link: http://disc.sci.gsfc.nasa.gov/
    • references:
    • contributor_name: UMBC Atmospheric Spectroscopy Laboratory: Larrabee Strow
    • contributor_role: CrIS L1B Scientist
    • wnum_delta_lw: 0.625000000
    • wnum_delta_mw: 0.833333313
    • wnum_delta_sw: 1.25000000
    • product_version: v02.48.00
    • product_name: SNDR.SS1330.CHIRP.20210608T1724.m06.g175.L1_J1.std.v02_48.G.200609000041.nc
    • product_name_timestamp: 200609000041
    • gran_id: 20210608T1724


obs_id[ obs= 0 ..12149] (Type is String)
  • attributes
    • long_name: observation id
    • coverage_content_type: referenceInformation
    • description: unique earth view observation identifier.
obs_time_tai93[ obs= 0 ..12149] (Type is Float64)
  • attributes
    • valid_range: -2934835217.000000, 3376598410.000000
    • long_name: earth view FOV midtime
    • _FillValue: 9.969209968386869e+36
    • coverage_content_type: referenceInformation
    • standard_name: time
    • units: seconds since 1993-01-01 00:00
    • description: earth view observation midtime for each FOV
    • AIRS_HDF_name: Time
obs_time_utc[ obs= 0 ..12149] [ utc_tuple= 0 ..7] (Type is UInt16)
  • attributes
    • long_name: earth view UTC FOV time
    • coordinates: utc_tuple_lbl
    • _FillValue: 65535
    • coverage_content_type: referenceInformation
    • description: UTC earth view observation time as an array of integers: year, month, day, hour, minute, second, millisec, microsec
lat[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: -90.0000000, 90.0000000
    • long_name: latitude
    • _FillValue: 9.96920997e+36
    • bounds: lat_bnds
    • coverage_content_type: referenceInformation
    • standard_name: latitude
    • units: degrees_north
    • description: latitude of FOV center
    • AIRS_HDF_name: Latitude
lon[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: -180.000000, 180.000000
    • long_name: FOV longitude
    • _FillValue: 9.96920997e+36
    • bounds: lon_bnds
    • coverage_content_type: referenceInformation
    • standard_name: longitude
    • units: degrees_east
    • description: longitude of FOV center
    • AIRS_HDF_name: Longitude
lat_bnds[ obs= 0 ..12149] [ fov_poly= 0 ..7] (Type is Float32)
  • attributes
    • valid_range: -90.0000000, 90.0000000
    • long_name: FOV boundary latitudes
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • units: degrees_north
    • description: latitudes of points forming a polygon around the perimeter of the FOV
lon_bnds[ obs= 0 ..12149] [ fov_poly= 0 ..7] (Type is Float32)
  • attributes
    • valid_range: -180.000000, 180.000000
    • long_name: FOV boundary longitudes
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • units: degrees_east
    • description: longitudes of points forming a polygon around the perimeter of the FOV
land_frac[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 1.00000000
    • long_name: land fraction
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: land_area_fraction
    • units: 1
    • description: land fraction over the FOV
    • AIRS_HDF_name: landFrac
    • cell_methods: area: mean (beam-weighted)
surf_alt[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • ancillary_variables: surf_alt_sdev
    • valid_range: -500.000000, 10000.0000
    • long_name: surface altitude
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: surface_altitude
    • units: m
    • description: mean surface altitude wrt earth model over the FOV
    • AIRS_HDF_name: topog
    • cell_methods: area: mean (beam-weighted)
surf_alt_sdev[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 10000.0000
    • long_name: surface altitude standard deviation
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: qualityInformation
    • units: m
    • description: standard deviation of surface altitude within the FOV
    • AIRS_HDF_name: topog_err
    • cell_methods: area: standard_deviation (beam-weighted)
sun_glint_lat[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: -90.0000000, 90.0000000
    • long_name: sun glint latitude
    • coordinates: subsat_lon subsat_lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: latitude
    • units: degrees_north
    • description: sun glint spot latitude at scan_mid_time. Fill for night observations.
    • AIRS_HDF_name: glintlat
sun_glint_lon[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: -180.000000, 180.000000
    • long_name: sun glint longitude
    • coordinates: subsat_lon subsat_lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: longitude
    • units: degrees_east
    • description: sun glint spot longitude at scan_mid_time. Fill for night observations.
    • AIRS_HDF_name: glintlon
sol_zen[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 180.000000
    • long_name: solar zenith angle
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: solar_zenith_angle
    • units: degree
    • description: solar zenith angle at the center of the FOV
    • AIRS_HDF_name: solzen
sol_azi[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 360.000000
    • long_name: solar azimuth angle
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: solar_azimuth_angle
    • units: degree
    • description: solar azimuth angle at the center of the FOV (clockwise from North)
    • AIRS_HDF_name: solazi
sun_glint_dist[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 30000000.0
    • long_name: sun glint distance
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • units: m
    • description: Distance from the center of the calculated sun glint spot to the center of the spot. Note that there may not be a glint for cloudy or land cases and in ocean cases the glint can move based on wind conditions. Fill for night observations.
    • AIRS_HDF_name: sun_glint_distance
view_ang[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 180.000000
    • long_name: view angle
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: sensor_view_angle
    • units: degree
    • description: off nadir pointing angle
    • AIRS_HDF_name: scanang
sat_zen[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 180.000000
    • long_name: satellite zenith angle
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: sensor_zenith_angle
    • units: degree
    • description: satellite zenith angle at the center of the FOV
    • AIRS_HDF_name: satzen
sat_azi[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 360.000000
    • long_name: satellite azimuth angle
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: sensor_azimuth_angle
    • units: degree
    • description: satellite azimuth angle at the center of the FOV (clockwise from North)
    • AIRS_HDF_name: satazi
sat_range[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 100000.000, 10000000.0
    • long_name: satellite range
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • units: m
    • description: line of sight distance between satellite and FOV center
asc_flag[ obs= 0 ..12149] (Type is Byte)
  • attributes
    • valid_range: 0, 1
    • long_name: ascending orbit flag
    • coordinates: subsat_lon subsat_lat
    • _FillValue: 255
    • flag_values: 0, 1
    • coverage_content_type: referenceInformation
    • description: ascending orbit flag: 1 if ascending, 0 descending
    • AIRS_HDF_name: scan_node_type
    • flag_meanings: descending ascending
subsat_lat[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: -90.0000000, 90.0000000
    • long_name: sub-satellite latitude
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: latitude
    • units: degrees_north
    • description: sub-satellite latitude at scan_mid_time
    • AIRS_HDF_name: sat_lat
subsat_lon[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: -180.000000, 180.000000
    • long_name: sub-satellite longitude
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: longitude
    • units: degrees_east
    • description: sub-satellite longitude at scan_mid_time
    • AIRS_HDF_name: sat_lon
scan_mid_time[ obs= 0 ..12149] (Type is Float64)
  • attributes
    • valid_range: -2934835217.000000, 3376598410.000000
    • long_name: midscan TAI93
    • coordinates: subsat_lon subsat_lat
    • _FillValue: 9.969209968386869e+36
    • coverage_content_type: referenceInformation
    • standard_name: time
    • units: seconds since 1993-01-01 00:00
    • description: TAI93 at middle of earth scene scans
    • AIRS_HDF_name: nadirTAI
sat_alt[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 100000.000, 1000000.00
    • long_name: satellite altitude
    • coordinates: subsat_lon subsat_lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • standard_name: altitude
    • units: m
    • description: satellite altitude with respect to earth model at scan_mid_time
    • AIRS_HDF_name: satheight
local_solar_time[ obs= 0 ..12149] (Type is Float32)
  • attributes
    • valid_range: 0.00000000, 24.0000000
    • long_name: local apparent solar time
    • coordinates: lon lat
    • _FillValue: 9.96920997e+36
    • coverage_content_type: referenceInformation
    • units: hours
    • description: local apparent solar time in hours from midnight
utc_tuple_lbl[ utc_tuple= 0 ..7] (Type is String)
  • attributes
    • long_name: UTC date/time parts
    • coverage_content_type: auxiliaryInformation
    • description: names of the elements of UTC when it is expressed as an array of integers year,month,day,hour,minute,second,millisecond,microsecond
rad[ obs= 0 ..12149] [ wnum= 0 ..1678] (Type is Float32)
  • attributes
    • units: mW/(m2 sr cm-1)
    • ancillary_variables: rad_qc synth_frac chan_qc
    • long_name: spectral radiance
    • standard_name: toa_outgoing_radiance_per_unit_wavenumber
    • coordinates: lon lat
    • description: spectral radiance
    • _FillValue: 9.96920997e+36
    • coverage_content_type: physicalMeasurement
rad_qc[ obs= 0 ..12149] (Type is Int16)
  • attributes
    • valid_range: 0, 2
    • long_name: rad QC
    • standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag
    • coordinates: lon lat
    • description: rad QC flag
    • _FillValue: -1
    • coverage_content_type: qualityInformation
    • flag_meanings: Best Good Do_Not_Use
    • flag_values: 0, 1, 2
synth_frac[ wnum= 0 ..1678] (Grid of Float32 values)
  • attributes
    • units: 1
    • valid_range: 0.00000000, 1.00000000
    • long_name: Fraction synthesized
    • description: File mean fraction of signal that is attributed to synthesized AIRS Level-1C values
    • _FillValue: 9.96920997e+36
    • coverage_content_type: qualityInformation
chan_qc[ wnum= 0 ..1678] (Grid of Int16 values)
  • attributes
    • valid_range: 0, 2
    • long_name: Channel QC
    • standard_name: toa_outgoing_radiance_per_unit_wavenumber status_flag
    • description: Quality of each channel.
    • _FillValue: -1
    • coverage_content_type: qualityInformation
    • flag_meanings: Best Good Do_Not_Use
    • flag_values: 0, 1, 2
nedn[ fov= 0 ..8] [ wnum= 0 ..1678] (Type is Float32)
  • attributes
    • units: mW/(m2 sr cm-1)
    • long_name: noise equivalent differential radiance
    • description: noise equivalent differential radiance
    • _FillValue: 9.96920997e+36
    • coverage_content_type: qualityInformation
atrack[ obs= 0 ..12149] (Type is Byte)
  • attributes
    • units: 1
    • valid_range: 1, 45
    • long_name: Along-track FOR index
    • coordinates: lon lat
    • axis: Y
    • description: Along-track index of Field Of Regard
    • _FillValue: 255
    • coverage_content_type: auxiliaryInformation
xtrack[ obs= 0 ..12149] (Type is Byte)
  • attributes
    • units: 1
    • valid_range: 1, 30
    • long_name: Cross-track FOR index
    • coordinates: lon lat
    • axis: X
    • description: Cross-track index of Field Of Regard
    • _FillValue: 255
    • coverage_content_type: auxiliaryInformation
fov_num[ obs= 0 ..12149] (Type is Byte)
  • attributes
    • units: 1
    • valid_range: 1, 9
    • long_name: Field Of View number
    • coordinates: lon lat
    • description: Field Of View number in FOR
    • _FillValue: 255
    • coverage_content_type: auxiliaryInformation
airs_atrack[ obs= 0 ..12149] (Type is Byte)
  • attributes
    • units: 1
    • valid_range: 1, 135
    • long_name: Along-track AIRS FOV index
    • coordinates: lon lat
    • axis: Y
    • description: AIRS-like along-track index of Field Of View
    • _FillValue: 255
    • coverage_content_type: auxiliaryInformation
airs_xtrack[ obs= 0 ..12149] (Type is Byte)
  • attributes
    • units: 1
    • valid_range: 1, 90
    • long_name: Cross-track AIRS FOV index
    • coordinates: lon lat
    • axis: X
    • description: AIRS-like cross-track index of Field Of View
    • _FillValue: 255
    • coverage_content_type: auxiliaryInformation
wnum[ wnum= 0 ..1678] (Type is Float64)
  • attributes
    • units: cm-1
    • valid_range: 640.0000000000000, 2700.000000000000
    • long_name: wavenumber
    • standard_name: sensor_band_central_radiation_wavenumber
    • description: wavenumber
    • _FillValue: 9.969209968386869e+36
    • coverage_content_type: auxiliaryInformation

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