Sedimentation rates in the Corumbataí River basin, Brazil, derived from 210Pb measurements

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dc.contributor.authorBonotto, Daniel Marcos [UNESP]
dc.contributor.authorAlmeida, Kelly Yaeko Miyashiro de [UNESP]
dc.contributor.authorSieber, Sammy Sampaio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:21:19Z
dc.date.available2014-05-27T11:21:19Z
dc.date.issued2005-04-25
dc.description.abstractActivity profiles of excess 210Pb measured in four sediment cores from the Corumbataí River basin, São Paulo State, Brazil, provided an opportunity to evaluate sedimentation rates that are helpful for defining appropriate management strategies for the hydrological resources in the basin. This is because Rio Claro city and other municipalities make extensive use of surface waters for drinking water supply. The radiochemical analysis of the sediment cores yielded apparent sediment mass accumulation rates of between 406 and 1014 mg cm-2 year-1 for secondary drainage lines, whereas an intermediate value of 546 mg cm-2 year-1 was found in the Corumbataí River, the main drainage system of the studied area. These values provided estimates of average linear sedimentation rates of between 3.1 and 16.2 mm year-1 that are compatible with field evidence, with the highest value corresponding with an area characterized by accumulation of sediment.en
dc.description.affiliationInst. de Geociencias e Cie. Exatas UNESP Univ. Estadual Paulista Julia M.F., Av. 24-A, no. 1515, CEP 13506-900, Rio Claro, Sao Paulo
dc.description.affiliationUnespInst. de Geociencias e Cie. Exatas UNESP Univ. Estadual Paulista Julia M.F., Av. 24-A, no. 1515, CEP 13506-900, Rio Claro, Sao Paulo
dc.format.extent294-302
dc.identifierhttp://cat.inist.fr/?aModele=afficheN&cpsidt=17115833
dc.identifier.citationIAHS-AISH Publication, n. 291, p. 294-302, 2005.
dc.identifier.issn0144-7815
dc.identifier.lattes7430102726026121
dc.identifier.scopus2-s2.0-17044382106
dc.identifier.urihttp://hdl.handle.net/11449/68207
dc.language.isoeng
dc.relation.ispartofIAHS-AISH Publication
dc.relation.ispartofsjr0,224
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCorumbataí River basin, Brazil
dc.subjectErosion
dc.subjectExcess 210Pb
dc.subjectPhysical weathering
dc.subjectRadiochemical analysis
dc.subjectSediment
dc.subjectSedimentation rate
dc.subjectCatchments
dc.subjectHydrology
dc.subjectLead
dc.subjectPotable water
dc.subjectRivers
dc.subjectSediment transport
dc.subjectSediments
dc.subjectWater
dc.subjectWeathering
dc.subjectBrazil
dc.subjectCorumbataí River basins
dc.subjectSedimentation rates
dc.subjectSedimentation
dc.subjectriver basin
dc.subjectsediment core
dc.subjectsedimentation rate
dc.subjectCorumbatai Basin
dc.subjectSao Paulo [Brazil]
dc.subjectSouth America
dc.subjectWestern Hemisphere
dc.subjectWorld
dc.titleSedimentation rates in the Corumbataí River basin, Brazil, derived from 210Pb measurementsen
dc.typeTrabalho apresentado em evento
unesp.author.lattes7430102726026121
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Geociências e Ciências Exatas, Rio Claropt

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Artigos - Petrologia e Metalogenia - IGCE