Parisi, Alfio (2001) Ambient and personal solar ultraviolet exposure measurements. In: 26th Annual Conference of the Australasian Radiation Protection Society, 18-20 Sept 2001, Gold Coast, Australia.
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An understanding of the solar terrestrial ultraviolet (UV) environment is necessary for the minimisation of solar UV exposures to humans and reduction of the risk of human sun-related disorders. In the Centre for Astronomy and Atmospheric Research at the University of Southern Queensland (USQ), Toowoomba, the ambient and personal solar UV exposures are measured in different environments. Outdoor, temperature stabilised meters provide the erythemal UV and UVA throughout the day to a web page. At the sub-tropical latitude of this site, anti-correlations were measured between atmospheric ozone variations due to natural atmospheric processes and erythemal UV exposures. Increases of up to 14% over 5 days in the daily UV exposures to a horizontal plane were recorded. The personal erythemal UV exposures in gum tree shade have been quantified with UV dosimeters. These dosimeters are fabricated from polysulphone in thin film form. Quality assurance procedures are in place to produce film of reproducible and constant thickness, as changes in the film thickness can cause errors of up to 37% in the dose response. When summed over the whole day for each day in summer, the exposures in the gum tree shade were in excess of the erythemal UV exposures for horizontal plane incidence in full sun for an entire summer in England. The UV spectrum in gum tree shade was measured and the spectral shade ratio decreased with increasing wavelength for all of the trees. The tree shade is not as effective at providing protection at the shorter wavelengths where the erythema, actinic and DNA action spectra have a higher relative effectiveness.
|Item Type:||Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)|
|Additional Information:||No evidence of copyright restrictions. Conference publication consists of only the abstracts of papers presented at the conference. Abstract only posted here.|
|Uncontrolled Keywords:||UV, erythema, spectral, dosimeters, polysulphone, skin cancer, prevention, erythema|
|Fields of Research (FOR2008):||02 Physical Sciences > 0299 Other Physical Sciences > 029904 Synchrotrons; Accelerators; Instruments and Techniques|
|Subjects:||240000 Physical Sciences > 249900 Other Physical Sciences > 249903 Instruments and Techniques|
|Socio-Economic Objective (SEO2008):||UNSPECIFIED|
|Deposited On:||11 Oct 2007 10:45|
|Last Modified:||27 Jun 2012 14:12|
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