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Proceedings Paper

Measured and modelled UV-B spectrum compared with some atmospheric parameters
Author(s): Tapani Koskela; Petteri Taalas; Esko Kyro
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Paper Abstract

Spectral ultraviolet measurements in the wavelength range 290 to 325 nm made at Sodankyla (67.4 degree(s)N, 26.6 degree(s)E) in 1990 - 1992 were used to study the effects of surface albedo, atmospheric total ozone, and atmospheric aerosol content on UV irradiance on the surface of the Earth. Clear sky observations with optical air masses 1.4 and 2.0 were used in the analysis. The annual course of surface albedo between 0.1 and 0.8 was found to be responsible for a change of 10% in irradiance at 325 nm, but no effect was seen at lower wavelengths or in CIE-weighted integrated values.

Paper Details

Date Published: 2 November 1993
PDF: 11 pages
Proc. SPIE 2049, Atmospheric Radiation, (2 November 1993); doi: 10.1117/12.163526
Show Author Affiliations
Tapani Koskela, Finnish Meteorological Institute (Finland)
Petteri Taalas, Finnish Meteorological Institute (Finland)
Esko Kyro, Finnish Meteorological Institute (Finland)


Published in SPIE Proceedings Vol. 2049:
Atmospheric Radiation
Knut H. Stamnes, Editor(s)

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