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Publikationstyp: Zeitschriftenaufsatz
Dokumenttyp: Originalarbeit

Jahr: 2019

AutorInnen: Schmalwieser, AW; Klotz, B; Schwarzmann, M; Baumgartner, DJ; Schreder, J; Schauberger, G; Blumthaler, M

Titel: The Austrian UVA-Network.

Quelle: Photochem Photobiol. 2019; 95(5):1258-1266

Autor/innen der Vetmeduni Vienna:

Schauberger Günther
Schmalwieser Alois

Beteiligte Vetmed-Organisationseinheiten
Institut für Physiologie, Pathophysiologie und Biophysik, Abteilung für Physiologie und Biophysik

The ultraviolet-A (UVA) part of the solar spectrum at the Earth"s surface is an essential environmental factor but continuous long-time monitoring of UVA radiation is rarely done. In Austria, three existing stations of the UV monitoring network have been upgraded with UVA broadband instruments. At each station, one instrument measures global UVA irradiance and-in parallel-a second instrument measures diffuse irradiance. Recent and past measurements are available via a web page. This paper describes the used instruments, calibration and quality assurance and control procedures. Global and diffuse UVA measurements during a period of up to 5 years are presented. Data indicate clear annual courses and an increase of UVA with altitude by 8-9% per 1000 m. In the first half of the year, UVA radiation is higher than in the second half, due to less cloudiness. In Vienna (153 m asl), the mean daily global UVA radiant exposure in summer is almost as high as at Mt. Gerlitzen (1540 m asl), equalizing the altitude effect, due to less cloudiness. However, in winter, the UVA radiant exposure at Mt. Gerlitzen is double as high, as in Vienna.

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