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Signal Absorption (OPTASIG)

Signal Absorption is a measurement of the reflected beam intensity after having propagated through a seawater parcel, i.e. it is the amount of light that reached the detector. By dividing the Signal Absorption by the Reference Absorption the proportion of light absorbed as it travelled through the sensor can be calculated. These values are part of the calculation for Optical Absorption Coefficient.

Instrument Classes

The following instrument classes include this data product:

Typical Units
unitless

Sampling Regime
Water Column