Dataset Information

title: Cloud Absorption Radiometer (CAR) Level-1D NetCDF data
experiment_name: CLAMS
flight_number: 1872.00000
aircraft: University of Washington Convair-580 Twin-Turboprop
primary_navigation_system: GPS Trimble TANS-Vector
start_date: 2001-07-14:16:13:45.7
end_date: 2001-07-14:16:16:25.3
lat_min: 36.8975105
lat_max: 36.9319801
lon_min: -75.7057037
lon_max: -75.6556473
flight_summary: https://car.gsfc.nasa.gov/flights/snowex/flight-1872
MeanSolarZenithAngle: 19.1458302
Sky_Condition: [0=clear(above 90% cloud free), 1=cloudy(10% or above cloud covered)]
Observed_Sky_Condition: 0
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.) ]
Surface_type: 4
Format: NetCDF4
Conventions: CF-1.7
Instrument_PI: Charles K. Gatebe
Email: Charles.K.Gatebe@nasa.gov
Website: https://car.gsfc.nasa.gov
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.
production_date: 2019-01-27T20:21:07.0Z
VersionID: 2
ShortName: CAR_CLAMS_BRDF
LongName: CAR CLAMS BRDF Measurements
GranuleID: CLAMS2004-car_C580_20010714161345_R1_CAR1872_Level1D-20190127.nc
Identifier_Product_DOI_Authority: http://dx.doi.org/
DOI: 10.5067/XMINAESYYUX7


Variables in this Dataset

brdf_reflectance_338nm: Grid
long_name: bidirectional reflectance factor at 338 nm
units: none dimensional quantity
_FillValue: -9999.00000
brdf_reflectance_338nm: Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
long_name: bidirectional reflectance factor at 338 nm
units: none dimensional quantity
_FillValue: -9999.00000
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
brdf_reflectance_382nm: Grid
long_name: bidirectional reflectance factor at 382 nm
units: none dimensional quantity
_FillValue: -9999.00000
brdf_reflectance_382nm: Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
long_name: bidirectional reflectance factor at 382 nm
units: none dimensional quantity
_FillValue: -9999.00000
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
brdf_reflectance_479nm: Grid
long_name: bidirectional reflectance factor at 479 nm
units: none dimensional quantity
_FillValue: -9999.00000
brdf_reflectance_479nm: Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
long_name: bidirectional reflectance factor at 479 nm
units: none dimensional quantity
_FillValue: -9999.00000
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
brdf_reflectance_676nm: Grid
long_name: bidirectional reflectance factor at 676 nm
units: none dimensional quantity
_FillValue: -9999.00000
brdf_reflectance_676nm: Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
long_name: bidirectional reflectance factor at 676 nm
units: none dimensional quantity
_FillValue: -9999.00000
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
brdf_reflectance_874nm: Grid
long_name: bidirectional reflectance factor at 874 nm
units: none dimensional quantity
_FillValue: -9999.00000
brdf_reflectance_874nm: Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
long_name: bidirectional reflectance factor at 874 nm
units: none dimensional quantity
_FillValue: -9999.00000
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
brdf_reflectance_1029nm: Grid
long_name: bidirectional reflectance factor at 1029 nm
units: none dimensional quantity
_FillValue: -9999.00000
brdf_reflectance_1029nm: Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
long_name: bidirectional reflectance factor at 1029 nm
units: none dimensional quantity
_FillValue: -9999.00000
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
brdf_reflectance_1219nm: Grid
long_name: bidirectional reflectance factor at 1219 nm
units: none dimensional quantity
_FillValue: -9999.00000
brdf_reflectance_1219nm: Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
long_name: bidirectional reflectance factor at 1219 nm
units: none dimensional quantity
_FillValue: -9999.00000
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
brdf_reflectance_1270nm: Grid
long_name: bidirectional reflectance factor at 1270 nm
units: none dimensional quantity
_FillValue: -9999.00000
brdf_reflectance_1270nm: Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360]
long_name: bidirectional reflectance factor at 1270 nm
units: none dimensional quantity
_FillValue: -9999.00000
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
ZenithAngles: Array of 32 bit Reals [ZenithAngles = 0..360]
long_name: Zenith angles
_FillValue: -9999.00000
units: degrees
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
AircraftAltitude: Grid
long_name: GPS height in Meters above the sea level
units: m
_FillValue: -9999.00000
AircraftAltitude: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: GPS height in Meters above the sea level
units: m
_FillValue: -9999.00000
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
Time: Grid
_FillValue: -9999.00000
long_name: time
units: seconds since 2001-07-14 00:00:00
Time: Array of 32 bit Reals [AzimuthAngles = 0..360]
_FillValue: -9999.00000
long_name: time
units: seconds since 2001-07-14 00:00:00
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
AircraftLatitude: Grid
long_name: Aircraft Latitude Degrees
units: degrees_north
valid_range: -90.0000000, 90.0000000
_FillValue: -9999.00000
AircraftLatitude: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Aircraft Latitude Degrees
units: degrees_north
valid_range: -90.0000000, 90.0000000
_FillValue: -9999.00000
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
AircraftLongitude: Grid
long_name: Aircraft Longitude Degrees
units: degrees_east
valid_range: -180.000000, 180.000000
_FillValue: -9999.00000
AircraftLongitude: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Aircraft Longitude Degrees
units: degrees_east
valid_range: -180.000000, 180.000000
_FillValue: -9999.00000
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
SolarZenithAngle: Grid
long_name: Solar Zenith Angle Degrees
units: degrees
_FillValue: -9999.00000
SolarZenithAngle: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Solar Zenith Angle Degrees
units: degrees
_FillValue: -9999.00000
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
SolarAzimuthAngle: Grid
long_name: Solar Azimuth Angle Degrees
units: degrees
_FillValue: -9999.00000
SolarAzimuthAngle: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Solar Azimuth Angle Degrees
units: degrees
_FillValue: -9999.00000
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
AircraftPitch: Grid
long_name: Aircraft Pitch Degrees
units: degrees
valid_range: -90.0000000, 90.0000000
_FillValue: -9999.00000
Positive: nose_up
Negative: nose_down
AircraftPitch: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Aircraft Pitch Degrees
units: degrees
valid_range: -90.0000000, 90.0000000
_FillValue: -9999.00000
Positive: nose_up
Negative: nose_down
AzimuthAngles: Array of 32 bit Reals [AzimuthAngles = 0..360]
long_name: Azimuth angles
_FillValue: -9999.00000
units: degrees
SRF_338nm: Grid
long_name: Spectral Response Function 2290 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SRF_338nm: Array of 32 bit Reals [SpectralRange_338nm = 0..80]
long_name: Spectral Response Function 2290 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SpectralRange_338nm: Array of 32 bit Reals [SpectralRange_338nm = 0..80]
long_name: SpectralRange for CAR ch1 338nm
units: nm
_FillValue: -9999.00000
SRF_382nm: Grid
long_name: Spectral Response Function 382 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SRF_382nm: Array of 32 bit Reals [SpectralRange_382nm = 0..60]
long_name: Spectral Response Function 382 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SpectralRange_382nm: Array of 32 bit Reals [SpectralRange_382nm = 0..60]
long_name: SpectralRange for CAR ch2 382nm
units: nm
_FillValue: -9999.00000
SRF_479nm: Grid
long_name: Spectral Response Function 479 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SRF_479nm: Array of 32 bit Reals [SpectralRange_479nm = 0..33]
long_name: Spectral Response Function 479 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SpectralRange_479nm: Array of 32 bit Reals [SpectralRange_479nm = 0..33]
long_name: SpectralRange for CAR ch3 479nm
units: nm
_FillValue: -9999.00000
SRF_676nm: Grid
long_name: Spectral Response Function 676 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SRF_676nm: Array of 32 bit Reals [SpectralRange_676nm = 0..75]
long_name: Spectral Response Function 676 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SpectralRange_676nm: Array of 32 bit Reals [SpectralRange_676nm = 0..75]
long_name: SpectralRange for CAR ch4 676nm
units: nm
_FillValue: -9999.00000
SRF_874nm: Grid
long_name: Spectral Response Function 874 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SRF_874nm: Array of 32 bit Reals [SpectralRange_874nm = 0..250]
long_name: Spectral Response Function 874 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SpectralRange_874nm: Array of 32 bit Reals [SpectralRange_874nm = 0..250]
long_name: SpectralRange for CAR ch5 874nm
units: nm
_FillValue: -9999.00000
SRF_1029nm: Grid
long_name: Spectral Response Function 1029 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SRF_1029nm: Array of 32 bit Reals [SpectralRange_1029nm = 0..299]
long_name: Spectral Response Function 1029 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SpectralRange_1029nm: Array of 32 bit Reals [SpectralRange_1029nm = 0..299]
long_name: SpectralRange for CAR ch6 1029nm
units: nm
_FillValue: -9999.00000
SRF_1219nm: Grid
long_name: Spectral Response Function 1219 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SRF_1219nm: Array of 32 bit Reals [SpectralRange_1219nm = 0..220]
long_name: Spectral Response Function 1219 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SpectralRange_1219nm: Array of 32 bit Reals [SpectralRange_1219nm = 0..220]
long_name: SpectralRange for CAR ch7 1219nm
units: nm
_FillValue: -9999.00000
SRF_1270nm: Grid
long_name: Spectral Response Function 1270 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SRF_1270nm: Array of 32 bit Reals [SpectralRange_1270nm = 0..200]
long_name: Spectral Response Function 1270 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent
SpectralRange_1270nm: Array of 32 bit Reals [SpectralRange_1270nm = 0..200]
long_name: SpectralRange for CAR ch8 1270nm
units: nm
_FillValue: -9999.00000
Spectral_band: Array of 32 bit Reals [Spectral_band = 0..7]
long_name: Spectral band
units: nm
_FillValue: -9999.00000
SpectralRange_338nm: Array of 32 bit Reals [SpectralRange_338nm = 0..80]
long_name: SpectralRange for CAR ch1 338nm
units: nm
_FillValue: -9999.00000
SpectralRange_382nm: Array of 32 bit Reals [SpectralRange_382nm = 0..60]
long_name: SpectralRange for CAR ch2 382nm
units: nm
_FillValue: -9999.00000
SpectralRange_479nm: Array of 32 bit Reals [SpectralRange_479nm = 0..33]
long_name: SpectralRange for CAR ch3 479nm
units: nm
_FillValue: -9999.00000
SpectralRange_676nm: Array of 32 bit Reals [SpectralRange_676nm = 0..75]
long_name: SpectralRange for CAR ch4 676nm
units: nm
_FillValue: -9999.00000
SpectralRange_874nm: Array of 32 bit Reals [SpectralRange_874nm = 0..250]
long_name: SpectralRange for CAR ch5 874nm
units: nm
_FillValue: -9999.00000
SpectralRange_1029nm: Array of 32 bit Reals [SpectralRange_1029nm = 0..299]
long_name: SpectralRange for CAR ch6 1029nm
units: nm
_FillValue: -9999.00000
SpectralRange_1219nm: Array of 32 bit Reals [SpectralRange_1219nm = 0..220]
long_name: SpectralRange for CAR ch7 1219nm
units: nm
_FillValue: -9999.00000
SpectralRange_1270nm: Array of 32 bit Reals [SpectralRange_1270nm = 0..200]
long_name: SpectralRange for CAR ch8 1270nm
units: nm
_FillValue: -9999.00000
SurfaceAtmosphereAlbedo: Grid
long_name: Surface Atmosphere albedo
units: percent
_FillValue: -9999.00000
SurfaceAtmosphereAlbedo: Array of 32 bit Reals [Spectral_band = 0..7]
long_name: Surface Atmosphere albedo
units: percent
_FillValue: -9999.00000
Spectral_band: Array of 32 bit Reals [Spectral_band = 0..7]
long_name: Spectral band
units: nm
_FillValue: -9999.00000