title: Sea-level solar radiation in the biologically active spectrum.
abstract: Calculations show a significant depletion of ultraviolet and visible radiation due to absorption and scattering by particulates and cloud drops for a fixed amount of ozone.
authors.forename: P
authors.initials: P
authors.lastname: Halpern
authors.forename: J V
authors.initials: JV
authors.lastname: Dave
authors.forename: N
authors.initials: N
authors.lastname: Braslau