Please use this identifier to cite or link to this item: https://hdl.handle.net/10216/103412
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dc.creatorJ. C. M. Pires
dc.creatorM. C. M. Alvim Ferraz
dc.creatorF. G. Martins
dc.date.accessioned2019-02-01T23:13:05Z-
dc.date.available2019-02-01T23:13:05Z-
dc.date.issued2012
dc.identifier.issn0169-8095
dc.identifier.othersigarra:68307
dc.identifier.urihttps://repositorio-aberto.up.pt/handle/10216/103412-
dc.description.abstractSurface ozone (O-3) is one of the most important pollutant in the atmosphere, causing several damages on human health, climate, vegetation and materials. This pollutant presents different behaviours in urban and rural environments. High levels of nitrogen oxides (O-3 precursor) at urban sites have an important role in the photochemical O-3 production in the atmosphere. However, O-3 concentrations tend to be higher in rural areas. To better understand this phenomenon, this study aims to apply statistical methods to evaluate the O-3 behaviour at 13 rural sites in Portugal. The results showed that: (i) the O-3 concentrations presented the highest values in 2003 and 2005; (ii) the standard values for human health protection was surpassed at almost all monitoring sites; (iii) the maximum concentrations usually occurred at the same time at all monitoring sites (the highest frequency at 16 h), with exception of the monitoring site located in Azores archipelago which had an almost uniform distribution; (iv) three groups of monitoring sites were identified using cluster analysis; and (v) similar daily average profiles of O-3 concentrations were observed at sites belonging to the same group.
dc.language.isoeng
dc.relationinfo:eu-repo/grantAgreement/FCT - Fundação para a Ciência e Tecnologia/Programa de Financiamento Plurianual de Unidades de I&D/FCOMP-01-0124-FEDER-022677/PROJECTO ESTRATÉGICO - UI 511 - 2011-2012/PEst-C/EQB/UI0511/2011
dc.rightsrestrictedAccess
dc.subjectCiências do ambiente, Ciências biológicas
dc.subjectEnvironmental science, Biological sciences
dc.titleSurface ozone behaviour at rural sites in Portugal
dc.typeArtigo em Revista Científica Internacional
dc.contributor.uportoFaculdade de Engenharia
dc.identifier.doi10.1016/j.atmosres.2011.10.001
dc.identifier.authenticusP-002-DBJ
dc.subject.fosCiências exactas e naturais::Ciências biológicas
dc.subject.fosNatural sciences::Biological sciences
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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