Variation of the enhanced biologically damaging solar UV due to clouds
Article
Article Title | Variation of the enhanced biologically damaging solar UV due to clouds |
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ERA Journal ID | 1487 |
Article Category | Article |
Authors | Parisi, Alfio (Author) and Downs, Nathan (Author) |
Journal Title | Photochemical and Photobiological Sciences |
Journal Citation | 3 (7), pp. 643-647 |
Number of Pages | 17 |
Year | 2004 |
Place of Publication | London, U.K. |
ISSN | 1474-905X |
1474-9092 | |
Digital Object Identifier (DOI) | https://doi.org/10.1039/b402035a |
Web Address (URL) | https://pubs.rsc.org/en/content/articlelanding/2004/PP/b402035a |
Abstract | [Abstract]: The variation of the biologically damaging solar UV (UVBE) enhanced by clouds above that of clear sky UVBE has been investigated. This was undertaken for summer through to winter for SZA of 5 to 60o employing an integrated automatic cloud and spectral UV measurement system that recorded the solar UV spectra and the sky images at five minute intervals. The UVBE calculated with action spectra with higher relative effectiveness in the UVA produced the lower percentage of cloud enhanced cases. The DNA UVBE provided the highest percentage of cloud enhanced cases compared to the total number of UV scans with 2.2% cloud enhanced cases. As a comparison, the plant and fish melanoma UVBE provided the lowest percentage of cloud enhanced cases with 0.6% to 0.8% cloud enhanced cases. For the cases of cloud enhanced UVBE, the average ratio of the measured UVBE to calculated cloud free UVBE for the photokeratitis, cataracts, plant, generalized plant damage and fish melanoma action spectra was 1.21 to 1.25. In comparison, the highest value of 1.4 was for the DNA action spectrum. |
Keywords | clouds; enhanced; UV; spectrum; cataracts; DNA; action spectrum |
ANZSRC Field of Research 2020 | 511099. Synchrotrons and accelerators not elsewhere classified |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Centre for Astronomy, Solar Radiation and Climate |
Centre for Astronomy and Atmospheric Research |
https://research.usq.edu.au/item/9xw64/variation-of-the-enhanced-biologically-damaging-solar-uv-due-to-clouds
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