Attributes { brdf_reflectance_339nm { String long_name "bidirectional reflectance factor at 339 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } brdf_reflectance_382nm { String long_name "bidirectional reflectance factor at 382 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } brdf_reflectance_480nm { String long_name "bidirectional reflectance factor at 480 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } brdf_reflectance_677nm { String long_name "bidirectional reflectance factor at 677 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } brdf_reflectance_873nm { String long_name "bidirectional reflectance factor at 873 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } brdf_reflectance_1032nm { String long_name "bidirectional reflectance factor at 1032 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } brdf_reflectance_1222nm { String long_name "bidirectional reflectance factor at 1222 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } brdf_reflectance_1275nm { String long_name "bidirectional reflectance factor at 1275 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } brdf_reflectance_1649nm { String long_name "bidirectional reflectance factor at 1649 nm"; String units "none dimensional quantity"; Float32 _FillValue -9999.00000; } ZenithAngles { String long_name "Zenith angles"; Float32 _FillValue -9999.00000; String units "degrees"; } AzimuthAngles { String long_name "Azimuth angles"; Float32 _FillValue -9999.00000; String units "degrees"; } AircraftAltitude { String long_name "GPS height in Meters above the sea level"; String units "m"; Float32 _FillValue -9999.00000; } Time { Float32 _FillValue -9999.00000; String long_name "time"; String units "seconds since 2008-07-07 00:00:00"; } AircraftLatitude { String long_name "Aircraft Latitude Degrees"; String units "degrees_north"; Float32 valid_range -90.0000000, 90.0000000; Float32 _FillValue -9999.00000; } AircraftLongitude { String long_name "Aircraft Longitude Degrees"; String units "degrees_east"; Float32 valid_range -180.000000, 180.000000; Float32 _FillValue -9999.00000; } SolarZenithAngle { String long_name "Solar Zenith Angle Degrees"; String units "degrees"; Float32 _FillValue -9999.00000; } SolarAzimuthAngle { String long_name "Solar Azimuth Angle Degrees"; String units "degrees"; Float32 _FillValue -9999.00000; } AircraftPitch { String long_name "Aircraft Pitch Degrees"; String units "degrees"; Float32 valid_range -90.0000000, 90.0000000; Float32 _FillValue -9999.00000; String Positive "nose_up"; String Negative "nose_down"; } SRF_339nm { String long_name "Spectral Response Function 2291 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } SRF_382nm { String long_name "Spectral Response Function 382 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } SRF_480nm { String long_name "Spectral Response Function 480 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } SRF_677nm { String long_name "Spectral Response Function 677 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } SRF_873nm { String long_name "Spectral Response Function 873 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } SRF_1032nm { String long_name "Spectral Response Function 1032 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } SRF_1222nm { String long_name "Spectral Response Function 1222 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } SRF_1275nm { String long_name "Spectral Response Function 1275 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } SRF_1649nm { String long_name "Spectral Response Function 1649 nm"; Float32 valid_range 0.00000000, 1.00000000; Float32 _FillValue -9999.00000; String units "percent"; } Spectral_band { String long_name "Spectral band"; String units "nm"; Float32 _FillValue -9999.00000; } SpectralRange_339nm { String long_name "SpectralRange for CAR ch1 339nm"; String units "nm"; Float32 _FillValue -9999.00000; } SpectralRange_382nm { String long_name "SpectralRange for CAR ch2 382nm"; String units "nm"; Float32 _FillValue -9999.00000; } SpectralRange_480nm { String long_name "SpectralRange for CAR ch3 480nm"; String units "nm"; Float32 _FillValue -9999.00000; } SpectralRange_677nm { String long_name "SpectralRange for CAR ch4 677nm"; String units "nm"; Float32 _FillValue -9999.00000; } SpectralRange_873nm { String long_name "SpectralRange for CAR ch5 873nm"; String units "nm"; Float32 _FillValue -9999.00000; } SpectralRange_1032nm { String long_name "SpectralRange for CAR ch6 1032nm"; String units "nm"; Float32 _FillValue -9999.00000; } SpectralRange_1222nm { String long_name "SpectralRange for CAR ch7 1222nm"; String units "nm"; Float32 _FillValue -9999.00000; } SpectralRange_1275nm { String long_name "SpectralRange for CAR ch8 1275nm"; String units "nm"; Float32 _FillValue -9999.00000; } SurfaceAtmosphereAlbedo { String long_name "Surface Atmosphere albedo"; String units "percent"; Float32 _FillValue -9999.00000; } SpectralRange_1649nm { String long_name "SpectralRange for CAR ch10 1649nm"; String units "nm"; Float32 _FillValue -9999.00000; } NC_GLOBAL { String title "Cloud Absorption Radiometer (CAR) Level-1D NetCDF data"; String experiment_name "ARCTAS"; Float32 flight_number 2020.00000; String aircraft "NASA - P3"; String primary_navigation_system "CAR Autonomous Navigation System"; String start_date "2008-07-07:21:30:52.2"; String end_date "2008-07-07:21:33:58.8"; Float32 lat_min 51.5801201; Float32 lat_max 51.6491318; Float32 lon_min -128.575226; Float32 lon_max -128.491287; String flight_summary "https://car.gsfc.nasa.gov/flights/snowex/flight-2020"; Float32 MeanSolarZenithAngle 30.9144535; String Sky_Condition "[0=clear(above 90% cloud free), 1=cloudy(10% or above cloud covered)]"; String Observed_Sky_Condition "1"; String 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.) ]"; String Surface_type "3"; String Format "NetCDF4"; String Conventions "CF-1.7"; String Instrument_PI "Charles K. Gatebe"; String Email "Charles.K.Gatebe@nasa.gov"; String Website "https://car.gsfc.nasa.gov"; String 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. "; String production_date "2019-01-27T19:13:42.0Z"; String VersionID "2"; String ShortName "CAR_ARCTAS_BRDF"; String LongName "CAR ARCTAS BRDF Measurements"; String GranuleID "ARCTAS2008-car_p3b_20080707213052_R1_CAR2020_Level1D-20190127.nc"; String Identifier_Product_DOI_Authority "http://dx.doi.org/"; String DOI "10.5067/SQSWDF366LDY"; } }