From Solar Light Company, Inc.
Stratospheric ozone is known to be the most important atmospheric factor determining clear sky UV-B radiation reaching the Earth's surface. The potential increase of UV-B exposure is the cause of mounting concern about the ozone layer. There are, however, other effects that influence the UV radiative energy transfer: cloud cover, aerosols, tropospheric ozone, and other gaseous pollutants. The relationships between various phenomena taking place in the atmosphere are complex and not known well. Therefore, the ground based UV measurements are necessary to explore atmospheric changes and resultant effects on the biosphere. The UV-Biometer, a broad band instrument with a spectral response following the Erythema Action Spectrum was developed, combining latest technology with the principles proven useful in the Robertson-Berger network. Among others, new features incorporate a temperature stabilized detector, improved and stable spectral response, repeatable angular response close to the cosine function and high degree of functionality provided by a microprocessor controlled data acquisition system.
Topics of Interest
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