Shallow Groundwater Quality in Alberta (Canada) with a Focus on the Occurrence of Nitrate and Methane

dc.contributor.advisorMayer, Bernhard
dc.contributor.authorWilson, Leah Josephine
dc.contributor.committeememberCey, Edwin E.
dc.contributor.committeememberRyan, M. Cathryn
dc.date2019-06
dc.date.accessioned2019-05-07T19:42:07Z
dc.date.available2019-05-07T19:42:07Z
dc.date.issued2019-05-04
dc.description.abstractThis study characterized the hydrogeochemistry and redox state of shallow groundwater (< 150 mbgs) in Alberta, with a focus on the occurrence of nitrate and methane. Chemical analyses of > 60,000 groundwater samples collected from landowner wells (part of the Alberta Health Services dataset) were interpreted revealing a dominance of geochemically evolved groundwater (56%, Na-HCO3) and overall highly reducing redox conditions (72%) favourable to denitrification. Redox conditions favourable to the formation and persistence of methane were found in 43% of all samples. Over 31% of the groundwater samples had detectable nitrate concentrations with 9.7% of these samples (3.1% of total samples) exceeding Health Canada’s health-based maximum acceptable concentration of 45 mg NO3/L. Additionally, it was observed that samples exceeded the Health Canada aesthetic objective for total dissolved solids, sodium, sulphate, and chloride in 79%, 61%, 9.4%, and 3.2% of samples, respectivelyen_US
dc.identifier.citationWilson, L. J. (2019). Shallow Groundwater Quality in Alberta (Canada) with a Focus on the Occurrence of Nitrate and Methane (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca.en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/36487
dc.identifier.urihttp://hdl.handle.net/1880/110311
dc.language.isoengen_US
dc.publisher.facultyScienceen_US
dc.publisher.institutionUniversity of Calgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.en_US
dc.subjecthydrogeochemistryen_US
dc.subjectredoxen_US
dc.subjectlandowner wellsen_US
dc.subjectgroundwateren_US
dc.subject.classificationGeochemistryen_US
dc.titleShallow Groundwater Quality in Alberta (Canada) with a Focus on the Occurrence of Nitrate and Methaneen_US
dc.typemaster thesisen_US
thesis.degree.disciplineGeoscienceen_US
thesis.degree.grantorUniversity of Calgaryen_US
thesis.degree.nameMaster of Science (MSc)en_US
ucalgary.item.requestcopytrue
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