Dataset Information

title:	Cloud Absorption Radiometer (CAR) Level-1D NetCDF data
experiment_name:	CLAMS
flight_number:	1880.00000
aircraft:	University of Washington Convair-580 Twin-Turboprop
primary_navigation_system:	GPS Trimble TANS-Vector
start_date:	2001-07-31:16:51:59.2
end_date:	2001-07-31:16:54:24.4
lat_min:	38.5450401
lat_max:	38.5844803
lon_min:	-70.6501617
lon_max:	-70.6046829
flight_summary:	https://car.gsfc.nasa.gov/flights/snowex/flight-1880
MeanSolarZenithAngle:	20.3593884
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:	2019-01-27T20:30:27.0Z
VersionID:	2
ShortName:	CAR_CLAMS_BRDF
LongName:	CAR CLAMS BRDF Measurements
GranuleID:	CLAMS2004-car_C580_20010731165159_R1_CAR1880_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 2001-07-31 00:00:00

Time:	Array of 32 bit Reals [AzimuthAngles = 0..360] _FillValue: -9999.00000 long_name: time units: seconds since 2001-07-31 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