Summary
Short descriptions and main results of two modelling studies concerning the impact of atmospheric deposition of several heavy metals and organic compounds on soil quality are presented. The results indicate that present levels of atmospheric deposition of some of these compounds may lead to concentrations in European soils that are higher than permitted by environmental quality criteria such as Dutch Target Values or Maximum Permissible Concentrations. From both studies, the critical load concept appears to be useful for assessing the environmental impact of diffuse sources on soil quality.
Kurzfassung
Im folgenden werden zwei Untersuchungen, die sich mit dem Eintrag verschiedener luftgetragener Schwermetalle und organischer Schadstoffe und deren Einfluß auf die Bodenqualität beschäftigen, kurz vorgestellt sowie die wichtigsten Ergebnisse zusammengefaßt. Sie weisen nach, daß der gegenwärtige Gehalt an luftgetragenen Schwermetallen einiger dieser Stoffe in Europa zu Schadstoffkonzentrationen im Boden führen kann, die die festgesetzten Auflagen für Umweltverträglichkeit, wie die niederländischen Grenzwerte sowie die der höchst zulässigen Konzentration, bei weitem übersteigen. Beide Untersuchungen belegen, daß das Konzept der kritischen Belastung für die Bewertung der Umweltverträglichkeit diffuser Verschmutzungsquellen im Hinblick auf die Bodenqualität sinnvoll eingesetzt werden kann.
Résumé
Nous présentons de courtes descriptions et les principaux résultats de deux études de simulation concernant l’impact du dépôt atmosphérique de plusieurs métaux lourds et de composés organiques sur la qualité du sol. Les résultats indiquent que les niveaux actuels de dépôt atmosphérique de certains de ces composés peuvent entraîner dans les sols européens des concentrations supérieures aux critères de qualité de l’environnement tels que les Valeurs Cibles Néerlandaises ou que les Concentrations Maximum Permises. Il ressort de ces deux études que le concept de charge critique est utile pour évaluer l’impact environnemental de sources diffuses sur la qualité du sol.
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© 1995 Kluwer Academic Publishers
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Bakker, D.J., van den Hout, K.D. (1995). Modelling and Assessing the Impact of Diffuse Sources on Soil Quality. In: Van Den Brink, W.J., Bosman, R., Arendt, F. (eds) Contaminated Soil ’95. Soil & Environment, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0415-9_75
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DOI: https://doi.org/10.1007/978-94-011-0415-9_75
Publisher Name: Springer, Dordrecht
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