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Spatio-temporal prediction of atmospheric benzene (Part I)

dc.contributor.authorFontes, Tânia
dc.contributor.authorBarros, Nelson
dc.date.accessioned2021-02-02T23:03:50Z
dc.date.available2021-02-02T23:03:50Z
dc.date.issued2011-04-12
dc.date.updated2021-01-25T17:28:38Z
dc.description.abstractBenzene is a carcinogenic and genotoxic pollutant which mainly affects the people health through the inhalation. Nevertheless, this pollutant is not frequently measured by air-quality networks. To solve this problem, some models have been published to estimate benzene concentrations in the atmosphere. However, the lack of measures makes difficult the application of complex models in order to get a detailed spatiotemporal analysis, namely in urban areas. In this work was developed a simple semi-empirical model to predict benzene concentrations based on the ratio of benzene and carbon monoxide concentrations in order to predict the concentrations of this pollutant in large areas and periods with lack of benzene measurements but with higher impact in the human health. The model was applied to an urban area, the Metropolitan Area of Oporto, for a period of 12 years (1995–2006). Monthly correlations between benzene and carbon monoxide concentrations at Custóias airquality station are significant (p = 0.01) and higher in winter (rs > 0.7) than in summer (0.3 >rs >0.7). Estimate of the monthly ratio of the concentration of these two pollutants range between 199 and 305. The methodology validation shows good results (rs = 0.81) which allow, assuming the availability of carbon monoxide data, the use of this tool for areas with low benzene recorded data. The application of this methodology in the study area shows an annual average trend decrease of benzene concentrations during the study period, which may be linked to a general trend decrease of benzene emissions in European urban areas, including the study domain.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1007/s10661-011-2007-9pt_PT
dc.identifier.issn0167-6369
dc.identifier.issn1573-2959
dc.identifier.slugcv-prod-201326
dc.identifier.urihttp://hdl.handle.net/10284/9333
dc.language.isoengpt_PT
dc.publisherSpringerpt_PT
dc.subjectBenzenept_PT
dc.subjectCarbon monoxidept_PT
dc.subjectSpatio-temporalpt_PT
dc.subjectMeasurept_PT
dc.subjectPredictionpt_PT
dc.titleSpatio-temporal prediction of atmospheric benzene (Part I)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage902pt_PT
oaire.citation.startPage893pt_PT
oaire.citation.titleEnvironmental Monitoring and Assessmentpt_PT
oaire.citation.volume184pt_PT
person.familyNameFontes
person.familyNameAugusto Cruz de Azevedo Barros
person.givenNameTânia
person.givenNameNelson
person.identifier.ciencia-id2919-FCDB-B684
person.identifier.orcid0000-0001-5183-5321
person.identifier.orcid0000-0002-2628-9880
person.identifier.ridD-2414-2013
person.identifier.scopus-author-id37074672900
rcaap.cv.cienciaid2919-FCDB-B684 | Nelson Augusto Cruz de Azevedo Barros
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication4ef465cf-6c8e-4002-b6a5-984085550b87
relation.isAuthorOfPublication3460e4e6-bb4b-4ed2-a2d2-b4a778db0e9e
relation.isAuthorOfPublication.latestForDiscovery3460e4e6-bb4b-4ed2-a2d2-b4a778db0e9e

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