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Elemental concentrations and heavy metal pollution in sediments and suspended matter from the Belgian North Sea and the Scheldt estuary
Van Alsenoy, V.; Bernard, P.; Van Grieken, R. (1993). Elemental concentrations and heavy metal pollution in sediments and suspended matter from the Belgian North Sea and the Scheldt estuary, in: IZWO Coll. Rep. 23(1993). IZWO Collected Reprints, 23: pp. chapter 35
In: (1993). IZWO Coll. Rep. 23(1993). IZWO Collected Reprints, 23[s.n.][s.l.], more
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene. ISSN 0772-1250, more

Also published as
  • Van Alsenoy, V.; Bernard, P.; Van Grieken, R. (1993). Elemental concentrations and heavy metal pollution in sediments and suspended matter from the Belgian North Sea and the Scheldt estuary. Sci. Total Environ. 133(1-2): 153-181, more

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Keywords
    Heavy metals; Pollution; Sediments; Suspended particulate matter; Marine; Brackish water

Authors  Top 
  • Van Alsenoy, V., more
  • Bernard, P.
  • Van Grieken, R., more

Abstract
    The elemental composition of sediment and suspended matter samples from the Belgian coastal and offshore regions of the Southern Bight of the North Sea and from the Scheldt estuary has been determined using X-ray fluorescence and atomic absorption spectrometry.Special attention was given to the heavy metals of the black and grey lists. The bulk sediment and the clay/silt fraction were analyzed. The average heavy metal contents in the fraction <63 µm were comparable to the levels in the suspended matter. Different normalization techniques led to the identification of two different populations of sediments. Most of the sediments were enriched in Cd, Cr, Hg, Pb and Zn but no enrichment was found for Cu and Ni. Comparing these data with older data indicates that little changes in the metal contamination of the sediments in the area investigated has occurred over the last 15 years.

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