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Spatial mobility of U and Th in a U-enriched area (Central Portugal)

2020Journal article Open access
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dc.contributor.authorAntunes, I.M.H.R.
dc.contributor.authorSantos, António
dc.contributor.authorValente, Teresa
dc.contributor.authorAlbuquerque, M.T.D.
dc.date.accessioned2020-11-23T14:19:08Z
dc.date.available2020-11-23T14:19:08Z
dc.date.issued2020
dc.description.abstractUranium and thorium are toxic in different environments. The exploitation of uranium mines and associated mine drainage leaching towards streams, sediments, and soils cause relevant pollution. The U-mine areas present high concentrations of potentially toxic elements with several consequences to ecosystems and human health. Physicochemical and potentially toxic elements of mine dumps, stream sediments, and soils from the Canto Lagar uranium mine area (Central Portugal) were analyzed. Stream sediments, soils, and mine dumps show a large range in the concentration values of Fe, U, As, Cu, Zn, Pb, and Th, suggesting geological and mine contributions. Most of the selected potential toxic elements from sediments present a low to moderate contamination degree, except for As, W, and U, which vary between high and very high contamination index. The soils must not be used in agricultural or residential activities due to contamination in As and U. This abandoned mine represents an environmental risk due to the spatial mobility and dispersion of potentially toxic elements from the dumps to the sediments and soils, as well as by surface runoff and wind.pt_PT
dc.description.abstractPTDC/CTA-AMB/29259/2017pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationANTUNES, M. [et al.] (2020) - Spatial mobility of U and Th in a U-enriched area (Central Portugal). Applied Sciences. ISSN 2076-3417. Vol. 10, nº 21 p. 7866. DOI: 10.3390/app10217866pt_PT
dc.identifier.doi10.3390/app10217866pt_PT
dc.identifier.issn2076-3417
dc.identifier.urihttp://hdl.handle.net/10400.11/7311
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationGEOQUÍMICA AMBIENTAL NA ENVOLVENTE DAS ANTIGAS EXPLORAÇÕES MINEIRAS DE URÂNIO DISTRITO DA GUARDA, CENTRO DE PORTUGAL
dc.relationINSTITUTE OF EARTH SCIENCES
dc.relation.publisherversionhttps://www.mdpi.com/2076-3417/10/21/7866pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectUranium minespt_PT
dc.subjectDumpspt_PT
dc.subjectStream sedimentspt_PT
dc.subjectSoilspt_PT
dc.subjectPortugalpt_PT
dc.titleSpatial mobility of U and Th in a U-enriched area (Central Portugal)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleGEOQUÍMICA AMBIENTAL NA ENVOLVENTE DAS ANTIGAS EXPLORAÇÕES MINEIRAS DE URÂNIO DISTRITO DA GUARDA, CENTRO DE PORTUGAL
oaire.awardTitleINSTITUTE OF EARTH SCIENCES
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F64921%2F2009/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FCTA-AMB%2F29259%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04683%2F2020/PT
oaire.citation.issue21pt_PT
oaire.citation.startPage7866pt_PT
oaire.citation.titleApplied Sciencespt_PT
oaire.citation.volume10pt_PT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream6817 - DCRRNI ID
person.familyNameantunes
person.familyNameAlbuquerque
person.givenNameIsabel Margarida
person.givenNameMaria Teresa
person.identifier.ciencia-idCB1E-FAD2-37D6
person.identifier.ciencia-id5A1C-8956-4C0A
person.identifier.orcid0000-0003-3456-5926
person.identifier.orcid0000-0002-8782-6133
person.identifier.ridM-1043-2013
person.identifier.ridB-1536-2013
person.identifier.scopus-author-id6701817085
person.identifier.scopus-author-id55507421600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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