PMID: 15382878Sep 24, 2004Paper

Variability assessment of groundwater exposure to pesticides and its consideration in life-cycle assessment

Environmental Science & Technology
Georg GeislerK Hungerbühler

Abstract

Pesticide leaching from agricultural fields to groundwater is an environmentally relevant and highly variable process. In the present paper, leaching scenarios typical in European agriculture are defined. These scenarios consider important sources of pesticide leaching variability, namely site factors, farming practice, and substance properties. The logic-tree method was used to structure these scenarios. For each scenario, leached fractions of pesticide applied in agriculture were calculated with data and models used in the registration process of the European Union (EU). Contributions of all parameters to variability were calculated for 11 pesticides. Substance properties (Koc and DT50,soil) contributed the mostto variability, followed by site, weather, season of application, crop, and macropore flow. The results of the variability assessment may be directly applied in policy making or they may be used in the environmental assessment of pesticides, e.g. with the life-cycle assessment (LCA) method. Several approaches are suggested for howthe variability assessment presented in this paper may be incorporated in LCA. The application of these approaches is illustrated by a case study on atrazine.

References

May 16, 2001·Environmental Science & Technology·A Papastergiou, E Papadopoulou-Mourkidou
May 25, 2002·Environmental Science & Technology·Paul J SquillaceDana W Kolpin
Dec 5, 2002·The Science of the Total Environment·Fred WorralDana W Kolpin

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Citations

Jul 8, 2009·Critical Reviews in Food Science and Nutrition·Ulf HammerlingNils-Gunnar Ilbäck
Oct 3, 2008·Journal of Agricultural and Food Chemistry·Trinidad Sánchez-VerdejoEsmeralda Morillo
Aug 30, 2005·Environmental Science & Technology·Christian CapelloKonrad Hungerbühler
Nov 30, 2007·Environmental Science & Technology·Bertrand LetermeMark D A Rounsevell

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