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  • Applicability of the polyphenylene oxide film dosimeter to high UV exposures in aquatic environments

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    72985_1.pdf (273.6Kb)
    Author(s)
    Schouten, P.
    Parisi, A.
    Turnbull, D.
    Griffith University Author(s)
    Schouten, Peter W.
    Year published
    2009
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    Abstract
    Previous research has proven that the Poly (2,6-dimethyl-1, 4-phenylene oxide) (PPO) dosimeter is capable of receiving both in-air and underwater UV exposures that are significantly greater than those of the more commonly used polysulphone dosimeter, within a range of accuracy close to what would be expected of dosimetric measurements made in-air provided that the necessary calibrations are completed correctly by factoring in different atmospheric column ozone levels, SZA ranges, varying water turbidity and DOM levels. However, there is yet to be an investigation detailing the performance of the PPO dosimeter and its ability ...
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    Previous research has proven that the Poly (2,6-dimethyl-1, 4-phenylene oxide) (PPO) dosimeter is capable of receiving both in-air and underwater UV exposures that are significantly greater than those of the more commonly used polysulphone dosimeter, within a range of accuracy close to what would be expected of dosimetric measurements made in-air provided that the necessary calibrations are completed correctly by factoring in different atmospheric column ozone levels, SZA ranges, varying water turbidity and DOM levels. However, there is yet to be an investigation detailing the performance of the PPO dosimeter and its ability to measure UV in an actual field environment over an extended period of time. This research aims to bridge this gap in the knowledge by presenting a measurement campaign carried out in two real world aquatic environments and a simulated sea water environment using a batch of PPO dosimeters set at different depths and aligned to a range of different angles and geographical directions by means of attachment to a custom built dosimeter submersible float (DSF) unit over the space of a year at a sub-tropical location. Results obtained from this measurement campaign were used to compute a Kd value for the sea water in each particular season. These Kd values where found to be in close agreement to standalone Kd values derived from results taken using a standard calibrated spectrometer in the same sea water.
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    Journal Title
    Journal of Photochemistry and Photobiology B: Biology
    Volume
    96
    Issue
    3
    DOI
    https://doi.org/10.1016/j.jphotobiol.2009.06.007
    Copyright Statement
    © 2009 Elsevier B.V.. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Environmental Monitoring
    Other Physical Sciences
    Biochemistry and Cell Biology
    Publication URI
    http://hdl.handle.net/10072/40539
    Collection
    • Journal articles

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