In-situ measurements of solar exposure distribution on a coral reef: preliminary findings relating to reef aspect, water turbidity and dosimeter design
Poster
Paper/Presentation Title | In-situ measurements of solar exposure distribution on a coral reef: preliminary findings relating to reef aspect, water turbidity and dosimeter design |
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Presentation Type | Poster |
Authors | Downs, N. J. (Author), Schouten, P. W. (Author) and Parisi, A. V. (Author) |
Journal or Proceedings Title | 13th International Coral Reef Symposium: Book of Abstracts |
ERA Conference ID | 60532 |
Year | 2016 |
Web Address (URL) of Paper | https://sgmeet.com/icrs2016/ |
Conference/Event | 13th International Coral Reef Symposium |
International Coral Reef Symposium | |
Event Details | 13th International Coral Reef Symposium Event Date 19 to end of 24 Jun 2016 Event Location Honolulu, Hawaii |
Event Details | International Coral Reef Symposium |
Abstract | Thin film dosimeters have been used for the measurement of solar radiation since the 1970s. Their application includes personal exposure measurement and environmental exposure monitoring. Polyphenylene oxide (PPO) films have recently been developed for use in various underwater environments. These dosimeters are capable of measuring solar ultraviolet-B (UVB, 290 – 315 nm), which is a recognized physical stressor of corals when combined with elevated water temperatures occurring within the irregular structure of a coral reef. We present preliminary findings employing a newly developed PPO dosimeter clamp deployed upon reef building corals situated within turbid inshore waters of the Great Sandy Marine Park, Southern Queensland, Australia. UVB exposures measured over a 24 hour period during peak summer exposure conditions ranged from 12.11 kJ m-2 to 21.13 kJ m-2. This preliminary data showed a clear dependence on reef aspect with the highest exposures incident upon north facing (Southern Hemisphere) reef surfaces. We conclude that exposure stress to corals may still occur in shallow turbid water with UVB exposure being strongly associated with reef aspect. |
Keywords | coral reef, ultraviolet, radiation, dosimetry |
ANZSRC Field of Research 2020 | 419999. Other environmental sciences not elsewhere classified |
519999. Other physical sciences not elsewhere classified | |
Public Notes | © Authors of the papers retain copyright over their work. This was a presented paper but a formal written paper was not produced. Abstract will be included in the Book of Abstracts. |
Byline Affiliations | International Centre for Applied Climate Science |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q3808/in-situ-measurements-of-solar-exposure-distribution-on-a-coral-reef-preliminary-findings-relating-to-reef-aspect-water-turbidity-and-dosimeter-design
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