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- W4323923636 endingPage "162750" @default.
- W4323923636 startingPage "162750" @default.
- W4323923636 abstract "Knowledge about groundwater origins and their interactions with surface water is fundamental to assess their vulnerability. In this context, hydrochemical and isotopic tracers are useful tools to investigate water origins and mixing. More recent studies examined the relevance of contaminants of emerging concern (CECs) as co-tracers to distinguish sources contributing to groundwater bodies. However, these studies focused on known and targeted CECs a priori selected regarding their origin and/or concentrations. This study aimed to improve these multi-tracer approaches using passive sampling and qualitative suspect screening by exploring a larger variety of historical and emerging concern contaminants in combination with hydrochemistry and water molecule isotopes. With this objective, an in-situ study was conducted in a drinking water catchment area located in an alluvial aquifer recharged by several water sources (both surface and groundwater sources). CECs determined by passive sampling and suspect screening allowed to provide in-depth chemical fingerprints of groundwater bodies by enabling the investigation of >2500 compounds with an increased analytical sensitivity. Obtained cocktails of CECs were discriminating enough to be used as chemical tracer in combination with hydrochemical and isotopic tracers. In addition, the occurrence and type of CECs contributed to a better understanding of groundwater-surface water interactions and highlighted short-time hydrological processes. Furthermore, the use of passive sampling with suspect screening analysis of CECs lead to a more realistic assessment and mapping of groundwater vulnerability." @default.
- W4323923636 created "2023-03-12" @default.
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- W4323923636 creator A5035423466 @default.
- W4323923636 date "2023-06-01" @default.
- W4323923636 modified "2023-10-18" @default.
- W4323923636 title "Determination of groundwater origins and vulnerability based on multi-tracer investigations: New contributions from passive sampling and suspect screening approach" @default.
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- W4323923636 doi "https://doi.org/10.1016/j.scitotenv.2023.162750" @default.
- W4323923636 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36907410" @default.
- W4323923636 hasPublicationYear "2023" @default.
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