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Selected Publication:

Publication type: Journal Article
Document type: Full Paper

Year: 2001

Author(s): Schmalwieser, AW; Schauberger, G

Title: Operational now casting of the sun protection factor for the urban area of Vienna.

Source: Journal of Applied Meteorology (40), 4 836-842 .

Authors Vetmeduni Vienna:

Schauberger Günther
Schmalwieser Alois

Vetmed Research Units
Institute of Physiology, Pathohysiology and Biophysics, Unit of Physiology and Biophysics

Project(s): Solar biologically-effectiv UV radiation

A method was developed to produce hourly updated nowcasts of recommended sun protection factors (SPF) for different photobiological skin types. Actual UV (250-400 nm) measurements and a forecast of the UV index provide the basis of the method. The method, used operationally for the urban area of Vienna, provides a useful tool to inform people about the use of sunscreens, thereby lowering the risk of health damage from overexposure to solar ultraviolet radiation. The validation of the nowcast shows that deviations from the measured daily dose depend on the time of the nowcast. Forecasts made 2 h before solar noon produce deviations of the daily dose of less than +/-0.5 SPF (for skin type I) in 68% of all cases; forecasts made two or more hours after noon were, in every case, within +/-0.5 SPF of the observed value.

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