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Causes of groundwater level and chemistry changes in an urban area; a case study of Warsaw, Poland

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cris.lastimport.scopus2024-02-12T20:47:54Z
dc.abstract.enThe presented studies focus on changes in groundwater levels and chemistry, and the identification of important factors influencing these changes on short- and long-term scales in urban areas. The results may be useful for rational and sustainable groundwater planning and management in cities. The studies concerned three aquifers: (1) the shallow Quaternary aquifer, (2) the deep Quaternary aquifer, and (3) the Oligocene aquifer in the capital city of Warsaw (Poland). The spatial variability of groundwater recharge was determined and its changes in time were characterized. The characteristics of groundwater levels were based on long-term monitoring series. The results indicate that urban development has caused overall reduction in infiltration recharge (from 54 to 51 mm/year), which is particularly clear in the city suburbs and in its centre, where land development has significantly densified during the last 30 years. Studies of groundwater levels indicate variable long-term trends. However, for the shallowest aquifer, the trends indicate a gradual decrease of the groundwater levels. In the case of the much deeper Oligocene aquifer, groundwater table rise is observed since the 1970s (averagely c. 20 m), which is related with excessive pumping. Based on the studied results, the groundwater chemistry in the subsurface aquifer indicates strong anthropogenic influence, which is reflected in multi-ionic hydrogeochemical types and the occurrence of chemical tracers typical of human activity. The Oligocene aquifer is characterized by a chemical composition indicating the influence of geogenic factors.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorZaszewski, Daniel
dc.contributor.authorZabłocki, Sebastian
dc.contributor.authorWojdalska, Anna
dc.contributor.authorTrzeciak, Joanna
dc.contributor.authorSawicka, Katarzyna
dc.contributor.authorPorowska, Dorota
dc.contributor.authorMieszkowski, Radosław
dc.contributor.authorMałecki, Jerzy
dc.contributor.authorKowalczyk, Sebastian
dc.contributor.authorGruszczyński, Tomasz
dc.contributor.authorKrogulec, Ewa
dc.date.accessioned2024-01-24T19:04:43Z
dc.date.available2024-01-24T19:04:43Z
dc.date.issued2022
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number4
dc.description.versionFINAL_PUBLISHED
dc.description.volume72
dc.identifier.doi10.24425/AGP.2022.142645
dc.identifier.issn0001-5709
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/102774
dc.identifier.weblinkhttps://journals.pan.pl/dlibra/journal/140806
dc.languageeng
dc.pbn.affiliationearth and related environmental sciences
dc.relation.ispartofActa Geologica Polonica
dc.relation.pages495-517
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enUrban area
dc.subject.enQuaternary aquifers
dc.subject.enOligocene aquifer
dc.subject.enGroundwater level changes
dc.subject.enInfiltration
dc.subject.enGroundwater chemistry
dc.subject.enWarsaw
dc.titleCauses of groundwater level and chemistry changes in an urban area; a case study of Warsaw, Poland
dc.typeJournalArticle
dspace.entity.typePublication