photobiological fluence rate (at a point) [Eeff,o]

spherical irradiance spectrally weighted with a stated photobiological action spectrum

Unit: W·m-2

NOTE This definition implies that an action spectrum is adopted for the actinic effect considered, and that its maximum value is 1. When giving a quantitative amount, it is essential to specify according to which actinic action spectrum the fluence rate is meant, as the unit is the same.

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