A client-server software for the identification of groundwater vulnerability to pesticides at regional level.

Sci Total Environ

Department of Earth and Environmental Sciences (DISAT), Università degli studi di Milano-Bicocca, piazza della Scienza, n. 1, 20126 Milano, Italy.

Published: October 2015


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Article Abstract

The groundwater VULnerability to PESticide software system (VULPES) is a user-friendly, GIS-based and client-server software developed to identify vulnerable areas to pesticides at regional level making use of pesticide fate models. It is a Decision Support System aimed to assist the public policy makers to investigate areas sensitive to specific substances and to propose limitations of use or mitigation measures. VULPES identify the so-called Uniform Geographical Unit (UGU) which are areas characterised by the same agro-environmental conditions. In each UGU it applies the PELMO model obtaining the 80th percentile of the substance concentration at 1 metre depth; then VULPES creates a vulnerability map in shapefile format which classifies the outputs comparing them with the lower threshold set to the legal limit concentration in groundwater (0.1 μg/l). This paper describes the software structure in details and a case study with the application of the terbuthylazine herbicide on the Lombardy region territory. Three zones with different degrees of vulnerabilities has been identified and described.

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http://dx.doi.org/10.1016/j.scitotenv.2015.05.112DOI Listing

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