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Learning from 24 years of ozone data in Portugal

2014Book part Restricted access
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dc.contributor.authorBarros, Nelson
dc.contributor.authorSilva, M.P.
dc.contributor.authorFontes, Tânia
dc.contributor.authorManso, M. Conceição
dc.contributor.authorCarvalho, Ana Cristina
dc.date.accessioned2021-02-15T11:31:33Z
dc.date.available2021-02-15T11:31:33Z
dc.date.issued2014
dc.date.updated2021-01-26T17:50:07Z
dc.description.abstractOzone (O3) is a secondary pollutant mainly produced in the troposphere by photochemical reactions with high impact on human health. In this work hourly average O3 concentrations from the Portuguese air quality network collected during 24 years (1988–2011) were analysed. The background time series were assessed by environment type (urban, suburban and rural) and considering several criteria: the annual mean O3 concentration, the Directive 2008/50/EC O3 long-term objective and the 2005 WHO Guideline for protection of human health and, finally, the hourly information threshold exceedances. The trend of annual mean O3 concentration data and the maximum daily eight-hour mean ozone concentration data were both annually compared using an one-way ANOVA followed by a Tamhane post-hoc comparison test. In both series, although of an instable trend, a tendency for an increase of the mean O3 concentrations was found. On the other hand, after 2006, for all stations types, the normalized number of exceedances for public O3 information are significantly decreasing (p<0.05). In this paper, the O3 trend will be analyzed and discussed, contributing to improve knowledge of long time series of O3 concentrations in Portugal.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.2495/AIR140101pt_PT
dc.identifier.isbn978-1-84564-782-7
dc.identifier.slugcv-prod-201412
dc.identifier.urihttp://hdl.handle.net/10284/9393
dc.language.isoengpt_PT
dc.publisherWIT Presspt_PT
dc.subjectTropospheric ozonept_PT
dc.subjectBackground stationspt_PT
dc.subjectTime seriespt_PT
dc.subjectTrendspt_PT
dc.subjectExceedancespt_PT
dc.titleLearning from 24 years of ozone data in Portugalpt_PT
dc.typebook part
dspace.entity.typePublication
oaire.citation.conferencePlaceReino Unidopt_PT
oaire.citation.endPage128pt_PT
oaire.citation.startPage117pt_PT
oaire.citation.titleAir Pollution XXIIpt_PT
oaire.citation.volume183pt_PT
person.familyNameAugusto Cruz de Azevedo Barros
person.familyNameFontes
person.familyNameManso
person.givenNameNelson
person.givenNameTânia
person.givenNameMaria da Conceição
person.identifier.ciencia-id2919-FCDB-B684
person.identifier.ciencia-id5A18-502F-4844
person.identifier.orcid0000-0002-2628-9880
person.identifier.orcid0000-0001-5183-5321
person.identifier.orcid0000-0002-1774-1337
person.identifier.ridD-2414-2013
person.identifier.ridD-7212-2013
person.identifier.scopus-author-id37074672900
person.identifier.scopus-author-id57196702148
rcaap.cv.cienciaid2919-FCDB-B684 | Nelson Augusto Cruz de Azevedo Barros
rcaap.rightsclosedAccesspt_PT
rcaap.typebookPartpt_PT
relation.isAuthorOfPublication3460e4e6-bb4b-4ed2-a2d2-b4a778db0e9e
relation.isAuthorOfPublication4ef465cf-6c8e-4002-b6a5-984085550b87
relation.isAuthorOfPublication7dff8d33-6bfb-496b-b734-a94146c562e6
relation.isAuthorOfPublication.latestForDiscovery3460e4e6-bb4b-4ed2-a2d2-b4a778db0e9e

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