The contamination of the aquifer north of Vicenza (North-East Italy) by atrazine, simazine and alachlor has been simulated developing a simple model based on the fugacity model. The simulation has been carried out taking into account the period 1964–1990 and the results have been compared with the analytical data of the period 1987–1990. The median concentration (C50) of atrazine measured in the aquifer was 0.028, 0.044 and 0.015 μg/l in 1987, 1988 and 1989–1990 respectively. The simulated values showed a satisfactory behaviour of the model concerning the order of magnitude of the phenomenon. Similar results have been obtained for simazine and alachlor.
SIMULATION OF HERBICIDE CONTAMINATION OF THE AQUIFER NORTH OF VICENZA (NORTHEAST ITALY)
ZANIN, GIUSEPPE;BORIN, MAURIZIO;
1993
Abstract
The contamination of the aquifer north of Vicenza (North-East Italy) by atrazine, simazine and alachlor has been simulated developing a simple model based on the fugacity model. The simulation has been carried out taking into account the period 1964–1990 and the results have been compared with the analytical data of the period 1987–1990. The median concentration (C50) of atrazine measured in the aquifer was 0.028, 0.044 and 0.015 μg/l in 1987, 1988 and 1989–1990 respectively. The simulated values showed a satisfactory behaviour of the model concerning the order of magnitude of the phenomenon. Similar results have been obtained for simazine and alachlor.
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