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Patterns in soil quality: Natural geochemical variability versus anthropogenic impact in soils of Zeeland, The Netherlands / P.F.M. Van Gaans in International journal of geographical information science IJGIS, vol 21 n° 5 (may 2007)  

Public [article]  inInternational journal of geographical information science IJGIS > vol 21 n° 5 (may 2007) . - pp 569 - 587 Titre : Patterns in soil quality: Natural geochemical variability versus anthropogenic impact in soils of Zeeland, The Netherlands Type de document : Article/Communication Auteurs : P.F.M. Van Gaans, Auteur ; J. Spijker, Auteur ; S.P. Vriend, Auteur ; J.N. de Jong, Auteur Année de publication : 2007 Article en page(s) : pp 569 - 587 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale [Termes IGN] anthropisation [Termes IGN] Argile [Termes IGN] carte géologique [Termes IGN] contamination [Termes IGN] état du sol [Termes IGN] géochimie [Termes IGN] géostatistique [Termes IGN] impact sur l'environnement [Termes IGN] Pays-Bas [Termes IGN] roche sédimentaire [Termes IGN] sous-sol Résumé : (Auteur) We demonstrate a structured approach to identify natural as well as anthropogenic geochemical patterns in sedimentary soils, using statistical techniques that increase in complexity and the requirements for auxiliary data. Comparison with the average upper continental crust identified natural regional features, such as a relative enrichment of As, due to a low-lying deltaic environment, and of Cr and Zr, related to a specific heavy mineral association. Identification of diffuse contamination is best achieved by comparison with a local reference. The Zeeland subsoil is shown to have undergone only minor anthropogenic influence and to serve this purpose very well. A topsoil-subsoil comparison revealed anthropogenic enrichments for Cd, Cu, P, Pb, S, Sb, Sn, Zn, and partly for As, while typically 'non-anthropogenic' trace elements like Cs, Ga, La, and Rb were found not to be enriched. Except for P and S, the enriched components show a good correlation with Al2Oi, a proxy for clay mineralogy, and a bivariate topsoil-subsoil comparison is made using a trimmed Reduced Major Axis regression. Two subregions are identified with different associations (Zn, Pb, and Cd, versus As, Cd, Cu, and Sn) of higher-than-average enrichments. Copyright Taylor & Francis Numéro de notice : A2007-137 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/13658810601064900 En ligne : https://doi.org/10.1080/13658810601064900 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28500 [article]

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