High-Resolution Hydrogeological Characterization of a Fractured Dolostone Municipal Supply Aquifer to Create a Refined 3-D Conceptual Site Model with Hydrogeologic Units

dc.contributor.advisorParker, Beth
dc.contributor.authorSkinner, Chrystyn
dc.date.accessioned2019-09-12T16:37:21Z
dc.date.copyright2019-09
dc.date.created2019-09-03
dc.date.issued2019-09-12
dc.degree.departmentSchool of Environmental Sciencesen_US
dc.degree.grantorUniversity of Guelphen_US
dc.degree.nameMaster of Scienceen_US
dc.degree.programmeEnvironmental Sciencesen_US
dc.description.abstractThis study investigates an aquifer system in Guelph, Ontario, where trace concentrations of trichloroethylene have been detected in a municipal supply well since the mid-1990s. Using high-resolution multi-depth monitoring, four boreholes were drilled radially around the supply well (1 km2 area, ~70m deep), intersecting flow paths between the well and suspected threats. Of the four boreholes, one location was selected as a method calibration borehole where a suite of geophysical and hydrophysical datasets were collected, following the discrete fracture network–matrix field approach (Parker et al. 2012). Incorporating temporal variation, 13 hydrogeologic units with distinct geometries and hydrogeologic properties were identified and evaluated against existing regional conceptual site models. The improved understanding of subsurface heterogeneity, and the position and thickness of aquitard units around the supply well, will be used to update existing numerical flow models, evaluate risks to water resources and improve strategies for long-term urban aquifer management.en_US
dc.description.embargo2020-09-03
dc.identifier.urihttp://hdl.handle.net/10214/17457
dc.language.isoenen_US
dc.publisherUniversity of Guelphen_US
dc.rights.licenseAll items in the Atrium are protected by copyright with all rights reserved unless otherwise indicated.
dc.subjecthydrogeologyen_US
dc.subjectconceptual site modelen_US
dc.subjecthydrogeologic unitsen_US
dc.subjecthydraulic headen_US
dc.subjectfractureen_US
dc.subjectmunicipal water supplyen_US
dc.subjectaquitarden_US
dc.subjectaquiferen_US
dc.subjectfractured sedimentary rocken_US
dc.subjectvertical head profileen_US
dc.titleHigh-Resolution Hydrogeological Characterization of a Fractured Dolostone Municipal Supply Aquifer to Create a Refined 3-D Conceptual Site Model with Hydrogeologic Unitsen_US
dc.typeThesisen_US

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