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Potential chemical time bombs in the Schelde estuary
van Eck, G.Th.M.; De Rooij, N.M. (1993). Potential chemical time bombs in the Schelde estuary. Land. Degrad. Rehabil. 4: 317-332
In: Land Degradation & Rehabilitation. Wiley Interscience: Chichester. ISSN 0898-5812, more
Peer reviewed article  

Available in Authors 

    Chemical pollutants; Estuaries; ANE, Netherlands, Westerschelde [Marine Regions]; Marine; Brackish water

Authors  Top 
  • van Eck, G.Th.M., more
  • De Rooij, N.M.

    The Schelde estuary is heavily polluted with many different (micro)pollutants. This results in high concentrations in the abiotic and biotic compartments of the Schelde estuary and in various effects. the present day suboxic and anoxic conditions in the upper estuary are probably responsible for the high distribution coefficients for some trace metals in the lower Schelde estuary (Western Schelde). a future reduction in discharges with a high biological oxygen demand will therefore not only result in higher oxygen concentrations, but probably also in lower distribution coefficients for trace metals in the Western Schelde. Simulations show that lower trace metal distribution coefficients will probably result in higher concentrations of dissolved (bioavailable) trace metals, even with substantially reduced discharge rates, due to the desorption of trace metals from resuspended bottom sediments.

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