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Urban Groundwater Processes and Anthropogenic Interactions (Porto Region, NW Portugal)

2020Journal article Open access
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dc.contributor.authorAfonso, Maria José
dc.contributor.authorFreitas, Liliana
dc.contributor.authorMarques, José Manuel
dc.contributor.authorCarreira, Paula M.
dc.contributor.authorPereira, Alcides J.S.C.
dc.contributor.authorRocha, Fernando
dc.contributor.authorChaminé, Helder I.
dc.date.accessioned2021-10-01T10:12:55Z
dc.date.available2021-10-01T10:12:55Z
dc.date.issued2020
dc.description.abstractGroundwater in fissured rocks is one of the most important reserves of available fresh water, and urbanization applies an extremely complex pressure which puts this natural resource at risk. Two-thirds of Portugal is composed of fissured aquifers. In this context, the Porto urban region is the second biggest metropolitan area in mainland Portugal. In this study, a multidisciplinary approach was developed, using hydrogeological GIS-based mapping and modeling, combining hydrogeochemical, isotopic, and hydrodynamical data. In addition, an urban infiltration potential index (IPI-Urban) was outlined with the combination of several thematic layers. Hydrogeochemical signatures are mainly Cl-Na to Cl-SO4-Na, being dependent on the geographic proximity of this region to the ocean, and on anthropogenic and agricultural contamination processes, namely fertilizers, sewage, as well as animal and human wastes. Isotopic signatures characterize a meteoric origin for groundwater, with shallow flow paths and short residence times. Pumping tests revealed a semi- to confined system, with low long-term well capacities (<1 L/s), low transmissivities (<4 m2/day), and low storage coefficients (<10−2). The IPI-Urban index showed a low groundwater infiltration potential, which was enhanced by urban hydraulic and sanitation features. This study assessed the major hydrogeological processes and their dynamics, therefore, contributing to a better knowledge of sustainable urban groundwater systems in fractured mediapt_PT
dc.description.sponsorshipThis work was partially financed by FEDER-EU COMPETE Funds and the Portuguese Foundation for the Science and Technology, FCT (UID/GEO/04035/2020, UID/Multi/00611/2020, and GroundUrban project POCI/CTE-GEX/59081/2004), and by the Labcarga|ISEP re-equipment program (IPP-ISEP|PAD’2007/08). The research was also funded by a doctoral scholarship from the Portuguese Foundation for Science and Technology (FCT) to L. Freitas (SFRH/BD/117927/2016). P.M. Carreira acknowledges the FCT support through the FCT-UIDB/04349/2020 project and J.M. Marques recognizes the FCT support through the UID/ECI/04028/2020 project.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/w12102797pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/18639
dc.language.isoengpt_PT
dc.publisherMDPIpt_PT
dc.relationUID/Multi/00611/2020pt_PT
dc.relationAvaliação integrada de recursos hídricos em áreas urbanas: implicações para a sustentabilidade e o planeamento territorial
dc.relationUID/GEO/04035/2020pt_PT
dc.relationUID/ECI/04028/2020pt_PT
dc.relationCenter for Nuclear Sciences and Technologies
dc.relationUrban groundwater and environmental management in the Northwest Portugal
dc.relation.publisherversionhttps://www.mdpi.com/2073-4441/12/10/2797pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectUrban groundwaterpt_PT
dc.subjectHydrogeochemistrypt_PT
dc.subjectHydrodynamicspt_PT
dc.subjectIPI-Urbanpt_PT
dc.subjectNW Portugalpt_PT
dc.titleUrban Groundwater Processes and Anthropogenic Interactions (Porto Region, NW Portugal)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAvaliação integrada de recursos hídricos em áreas urbanas: implicações para a sustentabilidade e o planeamento territorial
oaire.awardTitleCenter for Nuclear Sciences and Technologies
oaire.awardTitleUrban groundwater and environmental management in the Northwest Portugal
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F117927%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04349%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POCI/POCI%2FCTE-GEX%2F59081%2F2004/PT
oaire.citation.issue10pt_PT
oaire.citation.startPage2797pt_PT
oaire.citation.titleWaterpt_PT
oaire.citation.volume12pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamPOCI
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
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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