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Chemometric investigations on environmental data from Carlo Alberto irrigation canal (Alessandria,Piedmont, Italy)
Authors:Marengo Emilio  Gennaro Maria Carla  Gianotti Valentina  Angioi Silvia  Pavese Giuseppina  Indaco Alessia
Institution:Dipartimento di Scienze e Tecnologie Avanzate, Corso Borsalino, 54, 15100 Alessandria, Italy.
Abstract:The Carlo Alberto Canal connects Bormida and Tanaro rivers in Piedmont (ITALY). It was created for irrigation purposes but since its waters are suspected to be polluted, a sampling campaign was performed by the ARPA of Alessandria. The physico-chemical parameters analysed along 3 years (1998-2000) were investigated by multivariate chemometric methods. PCA showed that the waters situation depends heavily on the sampling period. Also a Kohonen self-organising map confirmed the clustering observed, providing insights into the causes of the clusterisation. New samplings are now being performed and a larger set of environmental variables is determined on each sample.
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