Dataset Information

title:	Cloud Absorption Radiometer (CAR) Level-1D NetCDF data
experiment_name:	ARCTAS
flight_number:	2001.00000
aircraft:	NASA - P3
primary_navigation_system:	CAR Autonomous Navigation System
start_date:	2008-04-06:01:19:47.5
end_date:	2008-04-06:01:22:43.9
lat_min:	71.2808762
lat_max:	71.3227005
lon_min:	-156.371994
lon_max:	-156.213394
flight_summary:	https://car.gsfc.nasa.gov/flights/snowex/flight-2001
MeanSolarZenithAngle:	70.1724548
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:	1
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:	2019-01-27T18:30:57.0Z
VersionID:	2
ShortName:	CAR_ARCTAS_BRDF
LongName:	CAR ARCTAS BRDF Measurements
GranuleID:	ARCTAS2008-car_p3b_20080406011947_R1_CAR2001_Level1D-20190127.nc
Identifier_Product_DOI_Authority:	http://dx.doi.org/
DOI:	10.5067/SQSWDF366LDY

Variables in this Dataset

brdf_reflectance_339nm:

Grid
long_name: bidirectional reflectance factor at 339 nm
units: none dimensional quantity
_FillValue: -9999.00000

brdf_reflectance_339nm:	Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360] long_name: bidirectional reflectance factor at 339 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_480nm:

Grid
long_name: bidirectional reflectance factor at 480 nm
units: none dimensional quantity
_FillValue: -9999.00000

brdf_reflectance_480nm:	Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360] long_name: bidirectional reflectance factor at 480 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_677nm:

Grid
long_name: bidirectional reflectance factor at 677 nm
units: none dimensional quantity
_FillValue: -9999.00000

brdf_reflectance_677nm:	Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360] long_name: bidirectional reflectance factor at 677 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_873nm:

Grid
long_name: bidirectional reflectance factor at 873 nm
units: none dimensional quantity
_FillValue: -9999.00000

brdf_reflectance_873nm:	Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360] long_name: bidirectional reflectance factor at 873 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_1032nm:

Grid
long_name: bidirectional reflectance factor at 1032 nm
units: none dimensional quantity
_FillValue: -9999.00000

brdf_reflectance_1032nm:	Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360] long_name: bidirectional reflectance factor at 1032 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_1222nm:

Grid
long_name: bidirectional reflectance factor at 1222 nm
units: none dimensional quantity
_FillValue: -9999.00000

brdf_reflectance_1222nm:	Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360] long_name: bidirectional reflectance factor at 1222 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_1275nm:

Grid
long_name: bidirectional reflectance factor at 1275 nm
units: none dimensional quantity
_FillValue: -9999.00000

brdf_reflectance_1275nm:	Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360] long_name: bidirectional reflectance factor at 1275 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_2196nm:

Grid
long_name: bidirectional reflectance factor at 2196 nm
units: none dimensional quantity
_FillValue: -9999.00000

brdf_reflectance_2196nm:	Array of 32 bit Reals [ZenithAngles = 0..360][AzimuthAngles = 0..360] long_name: bidirectional reflectance factor at 2196 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 2008-04-06 00:00:00

Time:	Array of 32 bit Reals [AzimuthAngles = 0..360] _FillValue: -9999.00000 long_name: time units: seconds since 2008-04-06 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_339nm:

Grid
long_name: Spectral Response Function 2291 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent

SRF_339nm:	Array of 32 bit Reals [SpectralRange_339nm = 0..20] long_name: Spectral Response Function 2291 nm valid_range: 0.00000000, 1.00000000 _FillValue: -9999.00000 units: percent
SpectralRange_339nm:	Array of 32 bit Reals [SpectralRange_339nm = 0..20] long_name: SpectralRange for CAR ch1 339nm 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..20] 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..20] long_name: SpectralRange for CAR ch2 382nm units: nm _FillValue: -9999.00000

SRF_480nm:

Grid
long_name: Spectral Response Function 480 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent

SRF_480nm:	Array of 32 bit Reals [SpectralRange_480nm = 0..45] long_name: Spectral Response Function 480 nm valid_range: 0.00000000, 1.00000000 _FillValue: -9999.00000 units: percent
SpectralRange_480nm:	Array of 32 bit Reals [SpectralRange_480nm = 0..45] long_name: SpectralRange for CAR ch3 480nm units: nm _FillValue: -9999.00000

SRF_677nm:

Grid
long_name: Spectral Response Function 677 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent

SRF_677nm:	Array of 32 bit Reals [SpectralRange_677nm = 0..70] long_name: Spectral Response Function 677 nm valid_range: 0.00000000, 1.00000000 _FillValue: -9999.00000 units: percent
SpectralRange_677nm:	Array of 32 bit Reals [SpectralRange_677nm = 0..70] long_name: SpectralRange for CAR ch4 677nm units: nm _FillValue: -9999.00000

SRF_873nm:

Grid
long_name: Spectral Response Function 873 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent

SRF_873nm:	Array of 32 bit Reals [SpectralRange_873nm = 0..75] long_name: Spectral Response Function 873 nm valid_range: 0.00000000, 1.00000000 _FillValue: -9999.00000 units: percent
SpectralRange_873nm:	Array of 32 bit Reals [SpectralRange_873nm = 0..75] long_name: SpectralRange for CAR ch5 873nm units: nm _FillValue: -9999.00000

SRF_1032nm:

Grid
long_name: Spectral Response Function 1032 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent

SRF_1032nm:	Array of 32 bit Reals [SpectralRange_1032nm = 0..85] long_name: Spectral Response Function 1032 nm valid_range: 0.00000000, 1.00000000 _FillValue: -9999.00000 units: percent
SpectralRange_1032nm:	Array of 32 bit Reals [SpectralRange_1032nm = 0..85] long_name: SpectralRange for CAR ch6 1032nm units: nm _FillValue: -9999.00000

SRF_1222nm:

Grid
long_name: Spectral Response Function 1222 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent

SRF_1222nm:	Array of 32 bit Reals [SpectralRange_1222nm = 0..74] long_name: Spectral Response Function 1222 nm valid_range: 0.00000000, 1.00000000 _FillValue: -9999.00000 units: percent
SpectralRange_1222nm:	Array of 32 bit Reals [SpectralRange_1222nm = 0..74] long_name: SpectralRange for CAR ch7 1222nm units: nm _FillValue: -9999.00000

SRF_1275nm:

Grid
long_name: Spectral Response Function 1275 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent

SRF_1275nm:	Array of 32 bit Reals [SpectralRange_1275nm = 0..83] long_name: Spectral Response Function 1275 nm valid_range: 0.00000000, 1.00000000 _FillValue: -9999.00000 units: percent
SpectralRange_1275nm:	Array of 32 bit Reals [SpectralRange_1275nm = 0..83] long_name: SpectralRange for CAR ch8 1275nm units: nm _FillValue: -9999.00000

SRF_2196nm:

Grid
long_name: Spectral Response Function 2196 nm
valid_range: 0.00000000, 1.00000000
_FillValue: -9999.00000
units: percent

SRF_2196nm:	Array of 32 bit Reals [SpectralRange_2196nm = 0..120] long_name: Spectral Response Function 2196 nm valid_range: 0.00000000, 1.00000000 _FillValue: -9999.00000 units: percent
SpectralRange_2196nm:	Array of 32 bit Reals [SpectralRange_2196nm = 0..120] long_name: SpectralRange for CAR ch13 2196nm units: nm _FillValue: -9999.00000

Spectral_band:

Array of 32 bit Reals [Spectral_band = 0..8]
long_name: Spectral band
units: nm
_FillValue: -9999.00000

SpectralRange_339nm:

Array of 32 bit Reals [SpectralRange_339nm = 0..20]
long_name: SpectralRange for CAR ch1 339nm
units: nm
_FillValue: -9999.00000

SpectralRange_382nm:

Array of 32 bit Reals [SpectralRange_382nm = 0..20]
long_name: SpectralRange for CAR ch2 382nm
units: nm
_FillValue: -9999.00000

SpectralRange_480nm:

Array of 32 bit Reals [SpectralRange_480nm = 0..45]
long_name: SpectralRange for CAR ch3 480nm
units: nm
_FillValue: -9999.00000

SpectralRange_677nm:

Array of 32 bit Reals [SpectralRange_677nm = 0..70]
long_name: SpectralRange for CAR ch4 677nm
units: nm
_FillValue: -9999.00000

SpectralRange_873nm:

Array of 32 bit Reals [SpectralRange_873nm = 0..75]
long_name: SpectralRange for CAR ch5 873nm
units: nm
_FillValue: -9999.00000

SpectralRange_1032nm:

Array of 32 bit Reals [SpectralRange_1032nm = 0..85]
long_name: SpectralRange for CAR ch6 1032nm
units: nm
_FillValue: -9999.00000

SpectralRange_1222nm:

Array of 32 bit Reals [SpectralRange_1222nm = 0..74]
long_name: SpectralRange for CAR ch7 1222nm
units: nm
_FillValue: -9999.00000

SpectralRange_1275nm:

Array of 32 bit Reals [SpectralRange_1275nm = 0..83]
long_name: SpectralRange for CAR ch8 1275nm
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..8] long_name: Surface Atmosphere albedo units: percent _FillValue: -9999.00000
Spectral_band:	Array of 32 bit Reals [Spectral_band = 0..8] long_name: Spectral band units: nm _FillValue: -9999.00000

SpectralRange_2196nm:

Array of 32 bit Reals [SpectralRange_2196nm = 0..120]
long_name: SpectralRange for CAR ch13 2196nm
units: nm
_FillValue: -9999.00000