22. Identification of the geochemical signatures of diffuse pollution in the Tellus Border soil data set, using source apportionment

The statistical process of ‘self-modelling mixture resolution’ has been used to identify chemical signatures of diffuse pollution in the topsoil samples of the Tellus Border geochemical survey, Ireland. Seventeen geochemical components were identified, of which nine were derived from underlying geology (high concentrations of trace metals suggest two of these are from mineralised sources), four we…