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UVB (290–315 nm) inactivation of the SARS CoV-2 virus as a function of the standard UV index

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dc.creatorHerman, Jay
dc.creatorPiacentini, Rubén
dc.date.accessioned2021-11-16T18:48:50Z
dc.date.available2021-11-16T18:48:50Z
dc.date.issued2021-11-04
dc.descriptionThe inactivation time for the SARS CoV-2 virus, mostly by a portion of UVB spectrum (290–315 nm) in sunlight, has been estimated using radiative transfer calculations and a relative wavelength sensitivity virus inactivation action spectrum ALS. The action spectrum is adjusted for the SARS CoV-2 virus using a derived UV dose D90 = 3.2 J/m2 for 90% inactivation to match laboratory results for the inactivation of SARS CoV-2 virus droplets on steel mesh. Estimation of the time for 90% inactivation T90 at a specific geographic location can be simplified using the commonly published or calculated UV index (UVI). The use of UVI has the advantage that information on the amount of ozone, the site altitude, and the degree of cloud cover are built into the published UVI calculation. Simple power-law T90(UVI) = a UVIb fitting equations are derived that provide estimates of T90(UVI) for 270 specific locations. Using the results from the 270 locations, a generalized latitude θ dependence is presented for the coefficients a(θ) and b(θ) that enables T90(θ, UVI) to be estimated for 60°S ≤ θ ≤ 60°N and for noon and 2 h around local solar noon.es
dc.description.filFil: Jay Herman. University of Maryland Baltimore County JCET. Baltimore, MD, USA
dc.description.filFil: Piacentini, Rubén. Universidad Nacional de Rosario. CONICET. Rosario; Argentina
dc.description.sponsorshipThis research is supported by the DSCOVR/EPIC NASA project under UMBC task 00011511.es
dc.formatapplication/pdf
dc.identifier.issn1873-9318
dc.identifier.urihttp://hdl.handle.net/2133/22623
dc.language.isoenges
dc.publisherSpringeres
dc.relation.publisherversionhttps://doi.org/10.1007/s11869-021-01099-3es
dc.rightsopenAccesses
dc.rights.holderAutorses
dc.rights.texthttps://creativecommons.org/licenses/by/4.0/ This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.es
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/*
dc.subjectSARS CoV-2es
dc.subjectUVB spectrumes
dc.subjectInactivation timees
dc.subjectUVI calculationes
dc.subjectRadiative transferes
dc.subjectCOVID 19es
dc.subjectOzonees
dc.titleUVB (290–315 nm) inactivation of the SARS CoV-2 virus as a function of the standard UV indexes
dc.typearticle
dc.typeartículo
dc.typepublishedVersion

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