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Selected Publication:

Type of publication: Journal Article
Type of document: Full Paper

Year: 2010

Authors: Schmalwieser, AW; Enzi, C; Wallisch, S; Holawe, F; Maier, B; Weihs, P

Title: UV exposition during typical lifestyle behavior in an urban environment.

Source: Photochem Photobiol. 2010; 86(3):711-715



Authors Vetmeduni Vienna:

Maier Bernhard
Schmalwieser Alois

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


Abstract:
In this study the personal exposure to solar UV radiation in an urban environment was measured. Lifestyle in an urban environment is characterized by staying indoors during most of the day. Furthermore, the ambient UV radiation is mitigated by shadowing by buildings. The aim of the study was to find out activities which may contribute to UV-induced health risk in a low exposure environment. Exposure was measured during typical outdoor activities: shopping, walking, sitting in a sidewalk café, cycling, sightseeing and at an open-air pool (solar elevation: 10 degrees-70 degrees). Measurements were taken with an optoelectronic device which was fixed on the chest. Besides the UV Index we used the sun burn time (SBT) for risk assessments. Generalization of our results was made by calculating ratios of personal exposure to the ambient UV radiation. UV exposure was by far the highest when our study subject stayed at the swimming pool. The SBT was around 30 min for melano-compromised skin type. For all other activities, except shopping, the SBT range up to 1 h. With respect to photodamage we found that at high solar elevation (>45 degrees) photoprotective measures should be applied for certain activities even within a city.

Keywords Pubmed: Cities*
Environmental Exposure/analysis*
Humans
Life Style*
Radiation Dosage
Risk Assessment
Sunburn
Ultraviolet Rays*


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