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Considerations on the monitoring of water quality in urban streams: a case study in Portugal

2020-05-09Journal article Open access
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dc.contributor.authorGuerreiro, Maria João
dc.contributor.authorAbreu, Isabel
dc.contributor.authorMonteiro, Álvaro
dc.contributor.authorJesus, Teresa Maria Gonçalves Moreira de
dc.contributor.authorFonseca, Ana
dc.date.accessioned2020-09-18T09:11:37Z
dc.date.available2020-09-18T09:11:37Z
dc.date.issued2020-05-09
dc.description.abstractMonitoring water quality in urban stream is of utmost importance for water resources managers, who are pressured to optimize monitoring schemes in order to reduce costs. The present study aims to use the results of a 2-year-long water quality monitoring pro- gram of an urban stream in Portugal to identify improve- ment opportunities. The urban stream under study was subjected to wastewater treatment plants effluent dis- charges, leachates from a major sealed landfill, low- class housing effluents, and nonpoint sources of pollu- tion. Contributing watersheds are mostly artificial sur- faces and agricultural land, which irrigate directly from the river. River water quality was evaluated on 11 sam- pling locations for 24 months from October 2013 to September 2015. The present paper describes statistical analysis of the results obtained for 12 physicochemical parameters in order to optimize the monitoring scheme. Cluster analysis detected a seasonal variation in the water quality and a spatial pattern based on the major point sources of pollution. A factor analysis showed that the parameters that mostly contribute to water quality assessment in this urban river are alkalinity, ammonia, electrical conductivity, pH, temperature, and dissolved oxygen. Results suggest that the monitoring efforts— and associated costs—may be reduced by decreasing monitoring frequency, sampling points, and monitored parameters. The statistical analysis described in this study may be replicated in other water quality monitor- ing programs, providing useful and important informa- tion for the systematic and iterative assessment of the adequacy of water quality sampling programs towards a sustainable management of water quality surveillance.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGuerreiro, M.S., Abreu, I.M., Monteiro, Á. et al. (2020). "Considerations on the monitoring of water quality in urban streams: a case study in Portugal". In: Environmental Monitoring and Assessment. vol.192, 347, https://doi.org/10.1007/s10661-020-8245-ypt_PT
dc.identifier.doidoi.org/10.1007/s10661-020-8245-ypt_PT
dc.identifier.urihttp://hdl.handle.net/10284/8982
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relation.publisherversionhttps://mail.google.com/mail/u/1/?pli=1#label/Rio+Tinto/FMfcgxwHNMTqmQRBBQQsgTBfDjJnkxvf?projector=1&messagePartId=0.1pt_PT
dc.subjectWater qualitypt_PT
dc.subjectUrban streampt_PT
dc.subjectMonitoring schemept_PT
dc.subjectMultivariate statistical analysispt_PT
dc.subjectSpatial variationpt_PT
dc.subjectTemporal variationpt_PT
dc.titleConsiderations on the monitoring of water quality in urban streams: a case study in Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage11pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleEnvironmental Monitoring and Assessmentpt_PT
oaire.citation.volume192
person.familyNameGuerreiro
person.familyNameAbreu
person.familyNameMonteiro
person.familyNameGonçalves Moreira de Jesus
person.familyNameFonseca
person.givenNameMaria
person.givenNameIsabel
person.givenNameÁlvaro
person.givenNameTeresa Maria
person.givenNameAna
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person.identifier.orcid0000-0001-8839-5956
person.identifier.orcid0000-0003-3304-3501
person.identifier.orcid0000-0002-3207-4819
person.identifier.ridG-5355-2013
person.identifier.scopus-author-id23024471700
person.identifier.scopus-author-id7102146030
person.identifier.scopus-author-id7101964374
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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