Diffuse Attenuation Coefficient

The Diffuse Attenuation Coefficient is the main variable included in the transparency.nc file providing the Transparency Properties of Water.

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 is provided in Auxiliary Data Files (ADFs).

 

 
PRODUCT NAME Diffuse Attenuation Coefficient
PARAMETER ID KD490_M07 and KD490_L05 (_M07 and _L05 refer to the originating algorithm)
PRODUCT LEVEL 2
DESCRIPTION Diffuse attenuation coefficient for down-welling irradiance, and associated error estimates, at 490 nm
PRODUCT PARAMETERS
COVERAGE global
PACKAGING half-orbit
LATENCY NRT, NTC
UNITS m-1
RANGE  
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 Oa4 (490 nm) and Oa6 (560 nm)
ANCILLARY AND AUXILIARY DATA