title: Contribution to surface water contamination understanding by pesticides and pharmaceuticals, at a watershed scale.
abstract: This study aims at understanding the presence of regulated and emerging micropollutants, particularly pesticides and pharmaceuticals, in surface water, regarding spatial and temporal influences at a watershed scale. The study of relations between micropollutants and other water quality and hydroclimatic parameters was carried out from a statistical analysis on historical and experimental data of different sampling sites from the main watershed of Brittany, western France. The outcomes point out the influence of urban and rural areas of the watershed as well as the impact of seasons on contamination variations. This work contributes to health risk assessment related to surface water contamination by micropollutants. This approach is particularly interesting in the case of agricultural watersheds such as the one studied, where more than 80% of surface water is used to produce drinking water.
authors.affiliation: Environment and Health Research laboratory, EHESP School of Public Health, Rennes, France. stephanie.piel@ehesp.fr
authors.forename: Stéphanie
authors.initials: S
authors.lastname: Piel
authors.forename: Estelle
authors.initials: E
authors.lastname: Baurès
authors.forename: Olivier
authors.initials: O
authors.lastname: Thomas
mesh_terms: D000383:Agriculture; D002853:Chromatography, Liquid; D002980:Climate; D016000:Cluster Analysis; D005602:France; D005618:Fresh Water / Q000032:analysis*; D006802:Human Activities; D006801:Humans; D010575:Pesticides / Q000032:analysis*; D004364:Pharmaceutical Preparations / Q000032:analysis*; D025341:Principal Component Analysis; D012621:Seasons; D053719:Tandem Mass Spectrometry; D014874:Water Pollutants, Chemical / Q000032:analysis*; D060753:Water Quality
chemical_list: D010575:Pesticides; D004364:Pharmaceutical Preparations; D014874:Water Pollutants, Chemical