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Environmental Groundwater Vulnerability Assessment in Urban Water Mines

2016Journal article Open access
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dc.contributor.authorAfonso, Maria José
dc.contributor.authorFreitas, Liliana
dc.contributor.authorPereira, Alcides
dc.contributor.authorNeves, Luís
dc.contributor.authorGuimarães, Laura
dc.contributor.authorGuilhermino, Lúcia
dc.contributor.authorMayer, Bernhard
dc.contributor.authorRocha, Fernando
dc.contributor.authorMarques, José Manuel
dc.contributor.authorChaminé, Helder I.
dc.date.accessioned2017-06-29T11:29:53Z
dc.date.available2017-06-29T11:29:53Z
dc.date.issued2016
dc.description.abstractA multidisciplinary approach was developed to estimate urban groundwater vulnerability to contamination combining hydrogeology, hydrogeochemistry, subterranean hydrogeotechnics, groundwater ecotoxicology and isotope tracers. Paranhos and Salgueiros spring waters in Porto City were used as a case study. Historical and current vulnerability scenarios were compared using hydrogeological GIS-based modelling. Potential contamination sources were mapped around the spring galleries. Most of these were point sources and their potential contamination load was moderate. The ecotoxicological assessment indicated a low acute toxicity potential. Groundwater radionuclides appeared to be mainly controlled by geological factors and biomineralisation. Vulnerability maps suggest that most of the area has a moderate to low vulnerability to contamination. However, some surface sources such as sewage systems cause contamination and contribute to increased vulnerability. This integrated approach was demonstrated to be adequate for a better knowledge of urban hydrogeological processes and their dynamics, and highlighted the importance of a vulnerability assessment in urban areas.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/w8110499pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/9970
dc.language.isoengpt_PT
dc.publisherMDPIpt_PT
dc.relation.ispartofseriesWater;Vol. 8, Issue 11
dc.relation.publisherversionhttp://www.mdpi.com/2073-4441/8/11/499pt_PT
dc.subjectUrban groundwaterpt_PT
dc.subjectVulnerability mappingpt_PT
dc.subjectGroundwater ecotoxicologypt_PT
dc.subjectIsotope tracerspt_PT
dc.subjectNW Portugalpt_PT
dc.titleEnvironmental Groundwater Vulnerability Assessment in Urban Water Minespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleWaterpt_PT
person.familyNameAfonso
person.familyNameI. Chaminé
person.givenNameMaria José
person.givenNameHelder
person.identifier.ciencia-id8B19-FB72-4CE1
person.identifier.ciencia-idA219-6949-7254
person.identifier.orcid0000-0002-2546-1511
person.identifier.orcid0000-0002-9740-935X
person.identifier.ridA-8599-2011
person.identifier.scopus-author-id12795023500
person.identifier.scopus-author-id8782621900
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication1c1fd858-f78e-4286-97d0-9785e27faeee
relation.isAuthorOfPublication26c22f94-68f4-426d-a6e7-110ea47cdeee
relation.isAuthorOfPublication.latestForDiscovery26c22f94-68f4-426d-a6e7-110ea47cdeee

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