2015
DOI: 10.1007/s12665-015-4793-9
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The potential of major ion chemistry to assess groundwater vulnerability of a regional aquifer in southern Quebec (Canada)

Abstract: 9Groundwater vulnerability mapping provides useful but limited information for developing 10 protection plans of the resource. Classical vulnerability ranking methods often do not take into 11 account complex hydro-stratigraphy and never consider groundwater flow dynamics. The objective 12 of this work was to test the potential of major ion chemistry to assess regional scale intrinsic concentrations were characterized by a Hydrogeochemical Vulnerability Index greater than 9 25(maximum is 10). The ability of t… Show more

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Cited by 13 publications
(24 citation statements)
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“…This evolved water was identified with that collected at well BEC101. Interestingly, this groundwater has a Na‐HCO 3 chemistry, indicating longer water‐rock interaction by ionic exchange [ Meyzonnat et al ., ]. This groundwater was sampled in the confined part of the fractured bedrock, where dissolution processes are negligible, and where 234 U‐ 238 U fractionation is dominated by α‐recoil processes [ Méjean et al ., ].…”
Section: Resultsmentioning
confidence: 99%
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“…This evolved water was identified with that collected at well BEC101. Interestingly, this groundwater has a Na‐HCO 3 chemistry, indicating longer water‐rock interaction by ionic exchange [ Meyzonnat et al ., ]. This groundwater was sampled in the confined part of the fractured bedrock, where dissolution processes are negligible, and where 234 U‐ 238 U fractionation is dominated by α‐recoil processes [ Méjean et al ., ].…”
Section: Resultsmentioning
confidence: 99%
“…Groundwater has a low salinity, of between 0.06 and 0.78 g L −1 . Groundwater types are as follows [ Meyzonnat et al ., ]: (1) Ca‐HCO 3 and Ca‐HCO 3 ‐SO 4 in freshwater near the Appalachian Foothills main recharge; (2) Na‐HCO 3 and Na‐HCO 3 ‐SO 4 evolved water, with Cadissolved2+ exchanged with Namineral+ in the middle portion of the watershed; and (3) slightly mineralized waters (Ca‐HCO 3 ‐Cl,Na and Na‐HCO 3 ‐Cl types) close to the St. Lawrence River, where chlorine is derived from marine‐glacial pore water originating from the Champlain Sea marine transgression.…”
Section: Hydrogeology and Water Chemistrymentioning
confidence: 99%
“…PhACs are related toassociated 62 with urban areas or wastewater treatment zones, and can also be linked to agricultural activity 63 (e.g., pharmaceuticals from animal feedlots, biosolidsbiosolid application, etc. ; Prosser and 64 6 and, more recently, methods based on groundwater isotopique geochemistry (Murguketisotopic 91 (Murgulet and Tick, 2013) and major ionsion geochemistry (Meyzonnat et al, 2016). These 92 semi-quantitative methods are often used as first assessment techniques to managein groundwater 93 resourcesresource management, and generally do not includeindicate specific potential 94 contaminant sources.…”
Section: Introduction 45mentioning
confidence: 99%
“…Pesticides 122 and their metabolites werehave also been identified in fluvial wetlands near intensive agricultural 123 activitiesactivity (Poissant et al, 2008). The presence of nitrate in Quebec groundwater has 124 certainly been the most frequently investigated contaminant, with generally revealing low 125 concentrations revealed (Carrier et al, 2013;Giroux and Sarrasin, 2011;Giroux 2003;Levallois 126 et al, 1998;Meyzonnat et al, 2016;Quebec, 2004a), which nonetheless often exceed the natural 127 (non-anthropogenic) background of 1 mg N-NO 3 .L -1 (Dubrovsky et al, 2010). 128…”
Section: Introduction 45mentioning
confidence: 99%
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