Aisopou, Angeliki

Binning, Philip John

Bjerg, Poul Løgstrup

Brüsh, Walter

Chambon, Julie Claire Claudia

Roost, Sandra

Thorling, Lærke

Tuxen, Nina

Pesticides are now detected in more than 35% of all groundwater monitoring wells and more than 25% of drinking water wells in Denmark, and are the most common cause of closure of drinking water wells due to chemical contamination. There are two main types of pesticides sources: diffuse sources, primarily resulting from the use of pesticides in agriculture; and point sources such as those resulting from spills, farm machinery washing, or landfill deposition of pesticide wastes. This project aimed to develop methods that can be used to determine whether pesticides de-tected in monitoring and drinking water wells originate from point or diffuse sources. This is particularly important given that the Danish Regions are responsible for point sources, while diffuse application of pesticides is regulated by restrictions on their use. In order for the Re-gions to administer pesticide point sources, they require methods to identify the source type from monitoring data.This project was funded by the Danish Environment Protection Agency and was conducted as a collaboration between Orbicon A/S, GEUS and DTU Environment. The project consisted of 4 parts: i) a description of the consumption and use of pesticides in Denmark; ii) a statistical analysis of the pesticide monitoring data held in the GEUS database Jupiter; iii) a modelling study, which aimed to determine the processes leading to pesticide contamination, explain the spatial and temporal variability in pesticide observations and include that knowledge in a series of conceptual models, and iv) to summarise knowledge of pesticide point sources in Denmark. The project showed that pesticide sales peaked in the late 1970s, and that the types of pesti-cides used have changed greatly over time as new products became available, and older products were banned. The statistical analysis of monitoring data showed that there are large differences between pesticide concentrations detected from point and diffuse sources, and the modelling study showed how factors such as pump rate, pesticide type, geology and lo-cation of the monitoring/drinking water well affect observations. The project report concludes with a set of guidelines for determining the origin of pesticides detected in groundwater.<br/

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Sammendrag af anbefalingerne fra "Skelnen mellem pesticidpunktkilder og fladekilder",herunder hvad forventer vi at finde fra de to kildetyper - DTU Orbit (09/11/2017) Sammendrag af anbefalingerne fra "Skelnen mellem pesticidpunktkilder og fladekilder", herunder hvad forventer vi at findefra de to kildetyperPesticides are now detected in more than 35% of all groundwater monitoring wells and more than 25% of drinking waterwells in Denmark, and are the most common cause of closure of drinking water wells due to chemical contamination.There are two main types of pesticides sources: diffuse sources, primarily resulting from the use of pesticides inagriculture; and point sources such as those resulting from spills, farm machinery washing, or landfill deposition ofpesticide wastes.   This project aimed to develop methods that can be used to determine whether pesticides de-tected in monitoring anddrinking water wells originate from point or diffuse sources. This is particularly important given that the Danish Regions areresponsible for point sources, while diffuse application of pesticides is regulated by restrictions on their use. In order forthe Re-gions to administer pesticide point sources, they require methods to identify the source type from monitoring data.  This project was funded by the Danish Environment Protection Agency and was conducted as a collaboration betweenOrbicon A/S, GEUS and DTU Environment. The project consisted of 4 parts: i) a description of the consumption and useof pesticides in Denmark; ii) a statistical analysis of the pesticide monitoring data held in the GEUS database Jupiter; iii) amodelling study, which aimed to determine the processes leading to pesticide contamination, explain the spatial andtemporal variability in pesticide observations and include that knowledge in a series of conceptual models, and iv) tosummarise knowledge of pesticide point sources in Denmark.   The project showed that pesticide sales peaked in the late 1970s, and that the types of pesti-cides used have changedgreatly over time as new products became available, and older products were banned. The statistical analysis ofmonitoring data showed that there are large differences between pesticide concentrations detected from point and diffusesources, and the modelling study showed how factors such as pump rate, pesticide type, geology and lo-cation of themonitoring/drinking water well affect observations. The project report concludes with a set of guidelines for determining theorigin of pesticides detected in groundwater.  General informationState: PublishedOrganisations: Department of Environmental Engineering, Orbicon, Geological Survey of Denmark and GreenlandAuthors: Binning, P. J. (Intern), Roost, S. (Ekstern), Aisopou, A. (Intern), Chambon, J. C. C. (Intern), Bjerg, P. L. (Intern),Thorling, L. (Ekstern), Brüsh, W. (Ekstern), Tuxen, N. (Ekstern)Pages: 21-24Publication date: 2013 Host publication informationTitle of host publication: Vintermøde om Jord- og Grundvandsforurening 2013 - abstractsamlingPlace of publication: Kgs. LyngbyPublisher: ATV Jord og GrundvandISBN (Electronic): 978-87-913-1371-4Main Research Area: Technical/natural sciencesConference: Vintermøde om jord- og grundvands forurening - ATV Vintemøde 2013, Vingsted, Denmark, 05/03/2013 -05/03/2013Electronic versions: Abstractsamling_vinterm_de_2013.pdf Links: http://www.atv-jord-grundvand.dk/dokumenter/vintermoede2013/Abstractsamling%20vinterm%C3%B8de%202013.pdf Publication: Research - peer-review › Conference abstract in proceedings – Annual report year: 2013 

Sammendrag af anbefalingerne fra "Skelnen mellem pesticidpunktkilder og fladekilder", herunder hvad forventer vi at finde fra de to kildetyper

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Sammendrag af anbefalingerne fra "Skelnen mellem pesticidpunktkilder og fladekilder", herunder hvad forventer vi at finde fra de to kildetyper

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