Improving the protective efficiency of shade structures

Turnbull, David J. and Parisi, Alfio (2004) Improving the protective efficiency of shade structures. In: 14th International Congress on Photobiology, 10-15 Jun 2004, Jeju, South Korea.

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Abstract

[Abstract]: Scattered UV radiation is present underneath shade structures due to scattering by the atmosphere and surroundings. Therefore, the side openings of a shade structure have a direct influence on where the shade is located and the level of scattered UV in the shaded area. UV exposures were assessed for the decrease in scattered UV beneath specific shade structures as a result of using two types of side on protection, namely, polycarbonate sheeting and vegetation. Anatomical facial dosimetry measurements conducted in the shade of a scale model shade structure during summer and winter showed significant decreases in UV exposure for summer and for winter when polycarbonate sheeting was added to specific sides of the shade structure. Broadband field measurements conducted in the shade of four shade structures with various amounts of vegetation covering different sides, showed that the positioning of vegetation for side-on protection is vital for decreasing the scattered UV in the shade. Adding suitable vegetation and or polycarbonate sheeting to specific sides of shade structures can significantly reduce scattered UV in the shade compared to shade structures that do not utilise any side-on protection. However, side on protection is of little use if the positioning of the shade structure itself is inadequate. The positioning of the shade structure in respect to full sun activities is of key importance particularly where these activities involve infants and children.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Poster)
Refereed: No
Item Status: Live Archive
Additional Information: Poster presentation. Abstract only available. No evidence of copyright restrctions on web site.
Depositing User: Dr David Turnbull
Faculty / Department / School: Historic - Faculty of Sciences - Department of Biological and Physical Sciences
Date Deposited: 11 Oct 2007 00:35
Last Modified: 25 Sep 2013 02:07
Uncontrolled Keywords: shade, ultraviolet radiation, protection
Fields of Research (FOR2008): 11 Medical and Health Sciences > 1117 Public Health and Health Services > 111705 Environmental and Occupational Health and Safety
02 Physical Sciences > 0299 Other Physical Sciences > 029999 Physical Sciences not elsewhere classified
04 Earth Sciences > 0401 Atmospheric Sciences > 040103 Atmospheric Radiation
URI: http://eprints.usq.edu.au/id/eprint/1118

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