Aerosol Angström Exponent

The aerosol Angström exponent is one of the variables included in the w_aer.nc file. The other is the aerosol optical thickness.

The following table provides the main characteristics of this variable including coverage, parameter ID, time latency, sampling and bands used in the associated product. The ancillary and auxiliary data provides the variables used during processing and are provided in Auxiliary Data Files (ADFs).

 

PRODUCT NAME Aerosol Angstrom Exponent
PARAMETER ID A865
PRODUCT LEVEL 2
DESCRIPTION Spectral dependency of the aerosol optical depth, between 779 and 865 nm and associated error estimates.
PRODUCT PARAMETERS
COVERAGE global
LATENCY NRT, NTC
PACKAGING half-orbit
UNITS dimensionless
RANGE -0.5-2.5
SAMPLING Spatial approximately 300 m x 300 m (FR) and 1.2 km x 1.2 km (RR); spectral: N/A
FORMAT 1-byte integer
APPENDED DATA Error estimate (1-byte integer)
FREQUENCY 1 product per orbit
SIZE OF PRODUCT Approx. 0.54 GB (FR), 35 MB (RR)
ADDITIONAL INFORMATION
INPUT BANDS Oa5 (510 nm), Oa16 (779 nm), Oa17 (865 nm)
ANCILLARY AND AUXILIARY DATA