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Measurement of solar UVB radiation in the English Midlands

Messung der UVB-Sonnenstrahlung in Mittelengland

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Summary

Measurements of solar radiation in the ultraviolet B band have been made at Sutton Bonington in the English East Midlands and relationships with more routinely measured meteorological variables have been established. On clear days, linear relationships have been found between the logarithm of irradiance and airmass and between the ratio of UVB to visible irradiance and the cosine of solar zenith angle. The ratio of diffuse to global radiation (D/I) in the UVB band is always greater than 0.5 and on clear days there is a linear relationship with (D/I) for the visible and full solar wave-bands, suggesting an effect of atmospheric turbidity. Such relationships may enable UVB exposures to be estimated without the need for special instrumentation.

Zusammenfassung

In Sutton Bonington in den East Midlands von England wurden Messungen der ultravioletten Sonnenstrahlung im B-Spektrum vorgenommen. Es wurden dabei Beziehungen zu routinemäßig gemessenen meteorologischen Variablen festgestellt.

An klaren Tagen wurden lineare Beziehungen zwischen dem Logarithmus der Bestrahlung und der Luftmasse und zwischen dem Verhältnis von UVB zur sichtbaren Strahlung und dem Cosinus des Zenitwinkels der Sonne festgestellt. Das Verhältnis Himmelsstrahlung zu Globalstrahlung (D/I) im UVB-Spektrum ist immer größer als 0,5. An klaren Tagen besteht eine lineare Beziehung zu (D/I) für den sichtbaren und den vollen Wellenbereich des Sonnenlichtes, die den Eindruck einer atmosphärischen Trübung erzeugt. Solche Beziehungen machen es möglich, UVB-Bestrahlung ohne spezielle Instrumente abzuschätzen.

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Webb, A., Steven, M.D. Measurement of solar UVB radiation in the English Midlands. Arch. Met. Geoph. Biocl., Ser. B 35, 221–231 (1984). https://doi.org/10.1007/BF02263347

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  • DOI: https://doi.org/10.1007/BF02263347

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