Journal article
Personal exposure distribution of solar erythemal ultraviolet radiation in tree shade over summer
Physics in Medicine and Biology, Vol.45(2), pp.349-356
2000
Abstract
The personal radiant exposure distribution of solar erythemal UV in tree shade for an upright posture was measured, with measurements over the whole summer for a total of 17 trees. For each tree, the personal radiant exposure distribution was measured for both the morning and afternoon periods. The exposure ratios averaged over all the trees and over the morning and afternoon periods ranged from 0.16 to 0.49 for the different anatomical sites. A numerical model was employed to estimate the UV radiant exposure to humans in tree shade over the entire summer. The body sites with the higher exposure ratios in the tree shade were the vertex of the head, shoulders and forearms with radiant exposures over the summer of 1300 MED to the vertex of the head and 1100 MED to the shoulders and forearms. These radiant exposures in the shade are substantially higher than the ambient erythemal UV measured in full sun on a horizontal plane over a full summer at a more temperate northern hemisphere latitude. The average radiant exposures per day to each anatomical site for a complete day in the tree shade ranged from 4.6 to 14.6 MED. This research has provided new data that is essential to quantify human UV exposure during outdoor activities.
Details
- Title
- Personal exposure distribution of solar erythemal ultraviolet radiation in tree shade over summer
- Authors
- A V Parisi (Author) - University of Southern QueenslandMichael G Kimlin (Author) - University of Southern QueenslandJ C F Wong (Author) - Queensland University of TechnologyM Wilson (Author) - University of Southern Queensland
- Publication details
- Physics in Medicine and Biology, Vol.45(2), pp.349-356
- Publisher
- Institute of Physics Publishing Ltd.
- Date published
- 2000
- DOI
- 10.1088/0031-9155/45/2/307
- ISSN
- 0031-9155; 0031-9155
- Copyright note
- Copyright © 2000 Institute of Physics Publishing Ltd. This is the Author's Accepted version of [insert citation]. The final version is available at: http://dx.doi.org/10.1088/0031-9155/45/2/307
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy
- Language
- English
- Record Identifier
- 99449503402621
- Output Type
- Journal article
- Research Statement
- false
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