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Authors: Nisi, B.* 
Vaselli, O.* 
Buccianti, A.* 
Romizi, A.* 
Cantucci, B.* 
Tassi, F.* 
Minissale, A.* 
Montegrossi, G.* 
Title: Atlante geochimico delle acque di Arezzo: dal dato di campagna alle mappe tematiche
Issue Date: 25-Feb-2009
Keywords: geochemical atlas
Subject Classification03. Hydrosphere::03.02. Hydrology::03.02.03. Groundwater processes 
Abstract: In this paper thematic maps produced on the basis of the principles of linear geostatistics are described in order to characterise the superficial and ground waters of the municipal territory of Arezzo. The aim is to assess the correlation with lithology, use of soil, drainage density and anthropogenic pressure and identify sensible areas to be periodically monitored in time. This study has used an original geochemical data-base consisting of about 500 water samples. A statistical approach has been used for the identification of anomalous values and homogenous populations. This step was followed by a detailed variographic study in order to analyse the spatial behaviour of the variables. Subsequently, an estimation procedure based on the application of ordinary kriging algorithm and sequential Gaussian simulation methods was applied to obtain the maps.
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