Turnbull, David J. and Parisi, Alfio and Sabburg, Jeff (2003) The protective nature of public shade structures in Australia. In: 2003 Australian Institute of Physics Postgraduate Night, 21 Oct 2003, Brisbane, Australia.
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[Abstract]: The specific nature of the role that solar UV radiation plays in the welfare of human beings is both good and bad, from helping bones absorb calcium more efficiently to the genesis of fatal skin cancers. As the publics understanding of the damaging effects associated with over exposure to UV radiation increases, shaded environments will be sought to reduce personal UV exposure. Local governments provide many shade structures at parks and sporting ovals for public use. However, the question remains of how effective are public shade structures at reducing biologically effective UV radiation throughout the year? In Australia, erythemal UV in full sun can reach levels of approximately 2.5 MED/h (where an MED is defined as the minimum erythemal dose) or more in the middle of the day during winter. Therefore, it is necessary for people that live in similar latitudes to minimise UV exposure in all climatic conditions throughout the year. Based on this research, a standard for reporting the UV protection provided by shade structures is essential for the public to make an informed decision on the efficacy of particular structures in reducing personal UV exposure.
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