Measured and modelled contributions to UV exposures by the albedo of surfaces in an urban environment

A V Parisi; J Sabburg; Michael G Kimlin; N Downs

doi:10.1007/s00704-003-0012-9

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Measured and modelled contributions to UV exposures by the albedo of surfaces in an urban environment

Journal article

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Measured and modelled contributions to UV exposures by the albedo of surfaces in an urban environment

A V Parisi, J Sabburg, Michael G Kimlin and N Downs

Theoretical and Applied Climatology, Vol.76, pp.181-188

2003

DOI: https://doi.org/10.1007/s00704-003-0012-9

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Abstract

albedo

health risk

ultraviolet radiation

urban area

The increases in the erythermal UV exposures to horizontal planes and to inclined planes over three surfaces that are found in an urban environment (water, concrete and sand) due to the albedo of these surfaces have been estimated. For the cloud free case, the additional daily estimated UV exposures to a horizontal plane have a maximum value of 222 (J m-2)ER, where the index after the unit is there to indicate that it refers to a biologically effective exposure. In comparison, the daily erythemal UV exposures over a year to a horizontal plane ranged from 425 to 8,321 (J m-2ER. For a vertical receiving plane that is rotating about a vertical axis, the additional erythemal daily UV exposures for the sub-tropical latitude location of this research for the ranges of solar azimuth angles encountered over the days in each season ranged from 16 to 311 (J m-2)ER, 29 to 566 (J m-2ER and 46 to 905 (J m-2)ER for water, concrete and sand respectively. The estimated error is ±20% and the calculations are based on clear-sky conditions. The additional erythemal UV averaged over each of the seasons was higher for the receiving plane inclined at 45° below the horizontal plane. In a similar fashion, the vertical surface has the higher additional erythemal UV exposures compared to the surfaces inclined at an angle above the horizontal.

Details

Title: Measured and modelled contributions to UV exposures by the albedo of surfaces in an urban environment
Authors: A V Parisi (Author) - University of Southern Queensland
J Sabburg (Author) - University of Southern Queensland
Michael G Kimlin (Author) - University of Southern Queensland
N Downs (Author) - University of Southern Queensland
Publication details: Theoretical and Applied Climatology, Vol.76, pp.181-188
Publisher: Springer Wien
Date published: 2003
DOI: 10.1007/s00704-003-0012-9
ISSN: 0177-798X
Copyright note: Copyright © 2009 Springer Wien. The author's accepted version is reproduced here in accordance with the publisher's copyright policy. The final publication is available at Springer via http://dx.doi.org/10.1007/s00704-003-0012-9
Organisation Unit: University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy
Language: English
Record Identifier: 99449279002621
Output Type: Journal article

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