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Composição química da precipitação úmida da região metropolitana de Porto Alegre, Brasil, 2005-2007

dc.contributor.authorMigliavacca, Daniela Montanaript_BR
dc.contributor.authorTeixeira, Elba Calessopt_BR
dc.contributor.authorRaya-Rodriguez, Maria Teresa Monicapt_BR
dc.date.accessioned2013-07-02T01:43:51Zpt_BR
dc.date.issued2001pt_BR
dc.identifier.issn0100-4042pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/72946pt_BR
dc.description.abstractThis work aims to quantify the wet precipitation the Metropolitan Area of Porto Alegre (MAPA), in southern Brazil, through the analysis of major ions (by ion chromatography) and metallic elements (ICP/AES). By principal components analysis and cluster analysis was possible to identify the influence of natural and anthropic sources in wet precipitation. The results indicated of the higher contribution to the ions NH4+, SO42- and Ca2+. Thus it was possible to identify the contribution of anthropogenic sources in wet precipitation in the study area, such as power plants, oil refineries, steel and vehicle emissions.en
dc.format.mimetypeapplication/pdf
dc.language.isoporpt_BR
dc.relation.ispartofQuímica nova. São Paulo. Vol. 35, n. 6 (2012), p. 1075-1083pt_BR
dc.rightsOpen Accessen
dc.subjectWet precipitationen
dc.subjectPrecipitação atmosféricapt_BR
dc.subjectClusterpt_BR
dc.subjectPrincipal components analysisen
dc.subjectCluster analysisen
dc.titleComposição química da precipitação úmida da região metropolitana de Porto Alegre, Brasil, 2005-2007pt_BR
dc.title.alternativeChemical composition of wet precipitation at metropolitan Porto Alegre, Brazil, 2005-2007 en
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000862237pt_BR
dc.type.originNacionalpt_BR


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