Please use this identifier to cite or link to this item: https://repositorio.inpa.gov.br/handle/1/17811
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dc.contributor.authorKochhann, Daiani-
dc.contributor.authorBehr, Everton Rodolfo-
dc.contributor.authorChaves, Adilson de-
dc.contributor.authorMesko, Márcia Foster-
dc.contributor.authorDressler, Valderi Luiz-
dc.contributor.authorFlores, Érico M.M. de-
dc.contributor.authorBaldisserotto, Bernardo-
dc.date.accessioned2020-06-15T21:49:25Z-
dc.date.available2020-06-15T21:49:25Z-
dc.date.issued2013-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/17811-
dc.description.abstractThe water quality of the Vacacaí River was assessed at different sites in the period between winter 2005 and autumn 2006. All samples were analyzed for 52 elements (Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Th, Li, Be, Mg, Al, Ca, V, Cr, Mn, Fe, Ni, Co, Cu, Zn, Ga, As, Se, Rb, Sr, Ag, Cd, In, Cs, Ba, Tl, Pb, Bi, U, Na, K, Hg, B, Mo, Sn, Te, Ti), temperature, pH, ammonia, and alkalinity levels. Water from the Vacacaí River ranged from slightly acidic to alkaline. No difference was observed in the chemical composition at different sites of the Vacacaí River. Levels of Ba, Ca, Sr and Mg increase in the dry seasons and reach their highest concentrations in autumn; Be and U decrease in the dry season and reach their highest concentration in spring. Al, Fe, Cr, Ni, Th, U Mn, Ca and Mg are highly positively related, indicating a common origin. Se and Cu are probably from anthropogenic source, from the rice crops of the margins of the river. Waterborne Al and Fe levels were above the desirable level for drinking water at all sites during all seasons. These results demonstrate the need for constant monitoring of water parameters, which is crucial to ensure water quality for the population of this region. © 2013 Springer-Verlag Berlin Heidelberg.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 70, Número 4, Pags. 1727-1733pt_BR
dc.rightsRestrito*
dc.subjectAnthropogenic Sourcesen
dc.subjectChemical Compositionsen
dc.subjectDry Seasonsen
dc.subjectEnvironmental Qualityen
dc.subjectRio Grande Do Sulen
dc.subjectWater Chemistryen
dc.subjectWater Monitoringen
dc.subjectWater Parametersen
dc.subjectAlkalinityen
dc.subjectAluminumen
dc.subjectBerylliumen
dc.subjectCalciumen
dc.subjectDroughten
dc.subjectDysprosiumen
dc.subjectErbiumen
dc.subjectEuropiumen
dc.subjectGadoliniumen
dc.subjectLeaden
dc.subjectLutetiumen
dc.subjectMagnesiumen
dc.subjectManganeseen
dc.subjectMetalsen
dc.subjectNeodymiumen
dc.subjectNickelen
dc.subjectPraseodymiumen
dc.subjectSamariumen
dc.subjectStrontiumen
dc.subjectThuliumen
dc.subjectTitaniumen
dc.subjectUraniumen
dc.subjectWater Qualityen
dc.subjectYtterbiumen
dc.subjectRiversen
dc.subjectAnthropogenic Sourceen
dc.subjectAutumnen
dc.subjectChemical Compositionen
dc.subjectDrinking Wateren
dc.subjectDry Seasonen
dc.subjectEnvironmental Qualityen
dc.subjectRiveren
dc.subjectTemperatureen
dc.subjectWater Chemistryen
dc.subjectWater Qualityen
dc.subjectWinteren
dc.subjectRio Grande Do Sulen
dc.subjectVacariaen
dc.titleEnvironmental quality evaluation of the Vacacaí River, Rio Grande do Sul, Brazilen
dc.typeArtigopt_BR
dc.identifier.doi10.1007/s12665-013-2260-z-
dc.publisher.journalEnvironmental Earth Sciencespt_BR
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