Inter-Comparison Campaign of Solar UVR Instruments under Clear Sky Conditions at Reunion Island (21◦S, 55◦E)

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dc.contributor.authorCadet, J. M.
dc.contributor.authorPortafaix, T
dc.contributor.authorBencherif, H
dc.contributor.authorLamy, K
dc.contributor.authorBrogniez, C
dc.contributor.authorAuriol, F
dc.contributor.authorMetzger, J.M
dc.contributor.authorBoudreault, L.E.
dc.contributor.authorWright, C.Y.
dc.contributor.departmentEnvironment and Health Research Unit, South African Medical Research Councilen_US
dc.date.accessioned2021-07-29T07:09:56Z
dc.date.available2021-07-29T07:09:56Z
dc.date.epub2020-04-19
dc.date.issued2020-04-19
dc.description.abstractMeasurement of solar ultraviolet radiation (UVR) is important for the assessment of potential beneficial and adverse impacts on the biosphere, plants, animals, and humans. Excess solar UVR exposure in humans is associated with skin carcinogenesis and immunosuppression. Several factors influence solar UVR at the Earth's surface, such as latitude and cloud cover. Given the potential risks from solar UVR there is a need to measure solar UVR at different locations using effective instrumentation. Various instruments are available to measure solar UVR, but some are expensive and others are not portable, both restrictive variables for exposure assessments. Here, we compared solar UVR sensors commercialized at low or moderate cost to assess their performance and quality of measurements against a high-grade Bentham spectrometer. The inter-comparison campaign took place between March 2018 and February 2019 at Saint-Denis, La Réunion. Instruments evaluated included a Kipp&Zonen UVS-E-T radiometer, a Solar Light UV-Biometer, a SGLux UV-Cosine radiometer, and a Davis radiometer. Cloud fraction was considered using a SkyCamVision all-sky camera and the Tropospheric Ultraviolet Visible radiative transfer model was used to model clear-sky conditions. Overall, there was good reliability between the instruments over time, except for the Davis radiometer, which showed dependence on solar zenith angle. The Solar Light UV-Biometer and the Kipp&Zonen radiometer gave satisfactory results, while the low-cost SGLux radiometer performed better in clear sky conditions. Future studies should investigate temporal drift and stability over time.en_US
dc.description.sponsorshipThis research was funded jointly by the CNRS (Centre National de la Recherche Scientifique) and the NRF (National Research Foundation) in the framework of the LIA ARSAIO and by the South Africa/France PROTEA Program (project No 42470VA). UV-Indien program is funded by European Union through the PO INTERREG V, by the Reunion Island Council and by the French Government. OPAR station (Observatoire de Physique de l’Atmosphère de La Réunion), and the OSU-R activities are funded by Université de La Réunion and CNRS.en_US
dc.identifier.citationCadet JM, Portafaix T, Bencherif H, Lamy K, Brogniez C, Auriol F, Metzger JM, Boudreault LE, Wright CY. Inter-Comparison Campaign of Solar UVR Instruments under Clear Sky Conditions at Reunion Island (21°S, 55°E). Int J Environ Res Public Health. 2020 Apr 21;17(8):2867. doi: 10.3390/ijerph17082867. PMID: 32326363; PMCID: PMC7215606.en_US
dc.identifier.issn16604601
dc.identifier.issn16617827
dc.identifier.journalInternational jounal of environmental research and public healthen_US
dc.identifier.urihttps://infospace.mrc.ac.za/handle/11288/595281
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.relation.urlhttps://www.mdpi.com/1660-4601/17/8/2867en_US
dc.research.unitEnvironment and Healthen_US
dc.rightsAttribution 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/us/*
dc.subjectsolar ultraviolet radiationen_US
dc.subjectUV indexen_US
dc.subjectUV instrumentsen_US
dc.subjectclear skyen_US
dc.subjectLa Réunionen_US
dc.titleInter-Comparison Campaign of Solar UVR Instruments under Clear Sky Conditions at Reunion Island (21◦S, 55◦E)en_US
dc.typeArticleen_US
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