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Global Attributes:
NC_GLOBAL.title: Cloud Absorption Radiometer (CAR) Level-1D NetCDF data NC_GLOBAL.experiment_name: CLAMS NC_GLOBAL.flight_number: 1870.00000 NC_GLOBAL.aircraft: University of Washington Convair-580 Twin-Turboprop NC_GLOBAL.primary_navigation_system: GPS Trimble TANS-Vector NC_GLOBAL.start_date: 2001-07-10:18:11:52.6 NC_GLOBAL.end_date: 2001-07-10:18:14:15.4 NC_GLOBAL.lat_min: 36.9316406 NC_GLOBAL.lat_max: 36.9658699 NC_GLOBAL.lon_min: -75.7343063 NC_GLOBAL.lon_max: -75.6945114 NC_GLOBAL.flight_summary: https://car.gsfc.nasa.gov/flights/snowex/flight-1870 NC_GLOBAL.MeanSolarZenithAngle: 20.3402367 NC_GLOBAL.Sky_Condition: [0=clear(above 90% cloud free), 1=cloudy(10% or above cloud covered)] NC_GLOBAL.Observed_Sky_Condition: 0 NC_GLOBAL.Dominant_Surface: [1=snow/ice, 2=vegetation, 3=clouds, 4=ocean/lake, 5=smoke, 6=barren(salt pans, desert), 7=mixed(city scape, costal areas, etc.) ] NC_GLOBAL.Surface_type: 4 NC_GLOBAL.Format: NetCDF4 NC_GLOBAL.Conventions: CF-1.7 NC_GLOBAL.Instrument_PI: Charles K. Gatebe NC_GLOBAL.Email: Charles.K.Gatebe@nasa.gov NC_GLOBAL.Website: https://car.gsfc.nasa.gov NC_GLOBAL.Reference: Gatebe CK, King MD. Airborne spectral BRDF of various surface types (ocean, vegetation, snow, desert, wetlands, cloud decks, smoke layers) for remote sensing applications. Remote Sensing of Environment. 2016;179:131 - 148. NC_GLOBAL.production_date: 2019-01-27T20:13:29.0Z NC_GLOBAL.VersionID: 2 NC_GLOBAL.ShortName: CAR_CLAMS_BRDF NC_GLOBAL.LongName: CAR CLAMS BRDF Measurements NC_GLOBAL.GranuleID: CLAMS2004-car_C580_20010710181152_R1_CAR1870_Level1D-20190127.nc NC_GLOBAL.Identifier_Product_DOI_Authority: http://dx.doi.org/ NC_GLOBAL.DOI: 10.5067/XMINAESYYUX7
Variables:
brdf_reflectance_338nm
: Grid of Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
ZenithAngles:
AzimuthAngles:
brdf_reflectance_338nm.long_name: bidirectional reflectance factor at 338 nm brdf_reflectance_338nm.units: none dimensional quantity brdf_reflectance_338nm._FillValue: -9999.00000 ZenithAngles.long_name: Zenith angles ZenithAngles._FillValue: -9999.00000 ZenithAngles.units: degrees AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
brdf_reflectance_382nm
: Grid of Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
ZenithAngles:
AzimuthAngles:
brdf_reflectance_382nm.long_name: bidirectional reflectance factor at 382 nm brdf_reflectance_382nm.units: none dimensional quantity brdf_reflectance_382nm._FillValue: -9999.00000 ZenithAngles.long_name: Zenith angles ZenithAngles._FillValue: -9999.00000 ZenithAngles.units: degrees AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
brdf_reflectance_479nm
: Grid of Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
ZenithAngles:
AzimuthAngles:
brdf_reflectance_479nm.long_name: bidirectional reflectance factor at 479 nm brdf_reflectance_479nm.units: none dimensional quantity brdf_reflectance_479nm._FillValue: -9999.00000 ZenithAngles.long_name: Zenith angles ZenithAngles._FillValue: -9999.00000 ZenithAngles.units: degrees AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
brdf_reflectance_676nm
: Grid of Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
ZenithAngles:
AzimuthAngles:
brdf_reflectance_676nm.long_name: bidirectional reflectance factor at 676 nm brdf_reflectance_676nm.units: none dimensional quantity brdf_reflectance_676nm._FillValue: -9999.00000 ZenithAngles.long_name: Zenith angles ZenithAngles._FillValue: -9999.00000 ZenithAngles.units: degrees AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
brdf_reflectance_874nm
: Grid of Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
ZenithAngles:
AzimuthAngles:
brdf_reflectance_874nm.long_name: bidirectional reflectance factor at 874 nm brdf_reflectance_874nm.units: none dimensional quantity brdf_reflectance_874nm._FillValue: -9999.00000 ZenithAngles.long_name: Zenith angles ZenithAngles._FillValue: -9999.00000 ZenithAngles.units: degrees AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
brdf_reflectance_1029nm
: Grid of Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
ZenithAngles:
AzimuthAngles:
brdf_reflectance_1029nm.long_name: bidirectional reflectance factor at 1029 nm brdf_reflectance_1029nm.units: none dimensional quantity brdf_reflectance_1029nm._FillValue: -9999.00000 ZenithAngles.long_name: Zenith angles ZenithAngles._FillValue: -9999.00000 ZenithAngles.units: degrees AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
brdf_reflectance_1219nm
: Grid of Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
ZenithAngles:
AzimuthAngles:
brdf_reflectance_1219nm.long_name: bidirectional reflectance factor at 1219 nm brdf_reflectance_1219nm.units: none dimensional quantity brdf_reflectance_1219nm._FillValue: -9999.00000 ZenithAngles.long_name: Zenith angles ZenithAngles._FillValue: -9999.00000 ZenithAngles.units: degrees AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
brdf_reflectance_1270nm
: Grid of Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
ZenithAngles:
AzimuthAngles:
brdf_reflectance_1270nm.long_name: bidirectional reflectance factor at 1270 nm brdf_reflectance_1270nm.units: none dimensional quantity brdf_reflectance_1270nm._FillValue: -9999.00000 ZenithAngles.long_name: Zenith angles ZenithAngles._FillValue: -9999.00000 ZenithAngles.units: degrees AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
ZenithAngles
: Array of 32 bit Reals [ZenithAngles = 0..360]
ZenithAngles:
long_name: Zenith angles _FillValue: -9999.00000 units: degrees
AzimuthAngles
: Array of 32 bit Reals [AzimuthAngles = 0..360]
AzimuthAngles:
long_name: Azimuth angles _FillValue: -9999.00000 units: degrees
AircraftAltitude
: Grid of Array of 32 bit Reals [AzimuthAngles = 0..360]
AzimuthAngles:
AircraftAltitude.long_name: GPS height in Meters above the sea level AircraftAltitude.units: m AircraftAltitude._FillValue: -9999.00000 AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
Time
: Grid of Array of 32 bit Reals [AzimuthAngles = 0..360]
AzimuthAngles:
Time._FillValue: -9999.00000 Time.long_name: time Time.units: seconds since 2001-07-10 00:00:00 AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
AircraftLatitude
: Grid of Array of 32 bit Reals [AzimuthAngles = 0..360]
AzimuthAngles:
AircraftLatitude.long_name: Aircraft Latitude Degrees AircraftLatitude.units: degrees_north AircraftLatitude.valid_range: -90.0000000, 90.0000000 AircraftLatitude._FillValue: -9999.00000 AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
AircraftLongitude
: Grid of Array of 32 bit Reals [AzimuthAngles = 0..360]
AzimuthAngles:
AircraftLongitude.long_name: Aircraft Longitude Degrees AircraftLongitude.units: degrees_east AircraftLongitude.valid_range: -180.000000, 180.000000 AircraftLongitude._FillValue: -9999.00000 AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
SolarZenithAngle
: Grid of Array of 32 bit Reals [AzimuthAngles = 0..360]
AzimuthAngles:
SolarZenithAngle.long_name: Solar Zenith Angle Degrees SolarZenithAngle.units: degrees SolarZenithAngle._FillValue: -9999.00000 AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
SolarAzimuthAngle
: Grid of Array of 32 bit Reals [AzimuthAngles = 0..360]
AzimuthAngles:
SolarAzimuthAngle.long_name: Solar Azimuth Angle Degrees SolarAzimuthAngle.units: degrees SolarAzimuthAngle._FillValue: -9999.00000 AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
AircraftPitch
: Grid of Array of 32 bit Reals [AzimuthAngles = 0..360]
AzimuthAngles:
AircraftPitch.long_name: Aircraft Pitch Degrees AircraftPitch.units: degrees AircraftPitch.valid_range: -90.0000000, 90.0000000 AircraftPitch._FillValue: -9999.00000 AircraftPitch.Positive: nose_up AircraftPitch.Negative: nose_down AzimuthAngles.long_name: Azimuth angles AzimuthAngles._FillValue: -9999.00000 AzimuthAngles.units: degrees
SRF_338nm
: Grid of Array of 32 bit Reals [SpectralRange_338nm = 0..80]
SpectralRange_338nm:
SRF_338nm.long_name: Spectral Response Function 2290 nm SRF_338nm.valid_range: 0.00000000, 1.00000000 SRF_338nm._FillValue: -9999.00000 SRF_338nm.units: percent SpectralRange_338nm.long_name: SpectralRange for CAR ch1 338nm SpectralRange_338nm.units: nm SpectralRange_338nm._FillValue: -9999.00000
SRF_382nm
: Grid of Array of 32 bit Reals [SpectralRange_382nm = 0..60]
SpectralRange_382nm:
SRF_382nm.long_name: Spectral Response Function 382 nm SRF_382nm.valid_range: 0.00000000, 1.00000000 SRF_382nm._FillValue: -9999.00000 SRF_382nm.units: percent SpectralRange_382nm.long_name: SpectralRange for CAR ch2 382nm SpectralRange_382nm.units: nm SpectralRange_382nm._FillValue: -9999.00000
SRF_479nm
: Grid of Array of 32 bit Reals [SpectralRange_479nm = 0..33]
SpectralRange_479nm:
SRF_479nm.long_name: Spectral Response Function 479 nm SRF_479nm.valid_range: 0.00000000, 1.00000000 SRF_479nm._FillValue: -9999.00000 SRF_479nm.units: percent SpectralRange_479nm.long_name: SpectralRange for CAR ch3 479nm SpectralRange_479nm.units: nm SpectralRange_479nm._FillValue: -9999.00000
SRF_676nm
: Grid of Array of 32 bit Reals [SpectralRange_676nm = 0..75]
SpectralRange_676nm:
SRF_676nm.long_name: Spectral Response Function 676 nm SRF_676nm.valid_range: 0.00000000, 1.00000000 SRF_676nm._FillValue: -9999.00000 SRF_676nm.units: percent SpectralRange_676nm.long_name: SpectralRange for CAR ch4 676nm SpectralRange_676nm.units: nm SpectralRange_676nm._FillValue: -9999.00000
SRF_874nm
: Grid of Array of 32 bit Reals [SpectralRange_874nm = 0..250]
SpectralRange_874nm:
SRF_874nm.long_name: Spectral Response Function 874 nm SRF_874nm.valid_range: 0.00000000, 1.00000000 SRF_874nm._FillValue: -9999.00000 SRF_874nm.units: percent SpectralRange_874nm.long_name: SpectralRange for CAR ch5 874nm SpectralRange_874nm.units: nm SpectralRange_874nm._FillValue: -9999.00000
SRF_1029nm
: Grid of Array of 32 bit Reals [SpectralRange_1029nm = 0..299]
SpectralRange_1029nm:
SRF_1029nm.long_name: Spectral Response Function 1029 nm SRF_1029nm.valid_range: 0.00000000, 1.00000000 SRF_1029nm._FillValue: -9999.00000 SRF_1029nm.units: percent SpectralRange_1029nm.long_name: SpectralRange for CAR ch6 1029nm SpectralRange_1029nm.units: nm SpectralRange_1029nm._FillValue: -9999.00000
SRF_1219nm
: Grid of Array of 32 bit Reals [SpectralRange_1219nm = 0..220]
SpectralRange_1219nm:
SRF_1219nm.long_name: Spectral Response Function 1219 nm SRF_1219nm.valid_range: 0.00000000, 1.00000000 SRF_1219nm._FillValue: -9999.00000 SRF_1219nm.units: percent SpectralRange_1219nm.long_name: SpectralRange for CAR ch7 1219nm SpectralRange_1219nm.units: nm SpectralRange_1219nm._FillValue: -9999.00000
SRF_1270nm
: Grid of Array of 32 bit Reals [SpectralRange_1270nm = 0..200]
SpectralRange_1270nm:
SRF_1270nm.long_name: Spectral Response Function 1270 nm SRF_1270nm.valid_range: 0.00000000, 1.00000000 SRF_1270nm._FillValue: -9999.00000 SRF_1270nm.units: percent SpectralRange_1270nm.long_name: SpectralRange for CAR ch8 1270nm SpectralRange_1270nm.units: nm SpectralRange_1270nm._FillValue: -9999.00000
Spectral_band
: Array of 32 bit Reals [Spectral_band = 0..7]
Spectral_band:
long_name: Spectral band units: nm _FillValue: -9999.00000
SpectralRange_338nm
: Array of 32 bit Reals [SpectralRange_338nm = 0..80]
SpectralRange_338nm:
long_name: SpectralRange for CAR ch1 338nm units: nm _FillValue: -9999.00000
SpectralRange_382nm
: Array of 32 bit Reals [SpectralRange_382nm = 0..60]
SpectralRange_382nm:
long_name: SpectralRange for CAR ch2 382nm units: nm _FillValue: -9999.00000
SpectralRange_479nm
: Array of 32 bit Reals [SpectralRange_479nm = 0..33]
SpectralRange_479nm:
long_name: SpectralRange for CAR ch3 479nm units: nm _FillValue: -9999.00000
SpectralRange_676nm
: Array of 32 bit Reals [SpectralRange_676nm = 0..75]
SpectralRange_676nm:
long_name: SpectralRange for CAR ch4 676nm units: nm _FillValue: -9999.00000
SpectralRange_874nm
: Array of 32 bit Reals [SpectralRange_874nm = 0..250]
SpectralRange_874nm:
long_name: SpectralRange for CAR ch5 874nm units: nm _FillValue: -9999.00000
SpectralRange_1029nm
: Array of 32 bit Reals [SpectralRange_1029nm = 0..299]
SpectralRange_1029nm:
long_name: SpectralRange for CAR ch6 1029nm units: nm _FillValue: -9999.00000
SpectralRange_1219nm
: Array of 32 bit Reals [SpectralRange_1219nm = 0..220]
SpectralRange_1219nm:
long_name: SpectralRange for CAR ch7 1219nm units: nm _FillValue: -9999.00000
SpectralRange_1270nm
: Array of 32 bit Reals [SpectralRange_1270nm = 0..200]
SpectralRange_1270nm:
long_name: SpectralRange for CAR ch8 1270nm units: nm _FillValue: -9999.00000
SurfaceAtmosphereAlbedo
: Grid of Array of 32 bit Reals [Spectral_band = 0..7]
Spectral_band:
SurfaceAtmosphereAlbedo.long_name: Surface Atmosphere albedo SurfaceAtmosphereAlbedo.units: percent SurfaceAtmosphereAlbedo._FillValue: -9999.00000 Spectral_band.long_name: Spectral band Spectral_band.units: nm Spectral_band._FillValue: -9999.00000
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