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Copper, zinc, cadmium, nickel, iron and manganese in the Southern Bight of the North Sea
Nolting, R.F. (1986). Copper, zinc, cadmium, nickel, iron and manganese in the Southern Bight of the North Sea. Mar. Pollut. Bull. 17(3): 113-117.
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X, more
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  • Nolting, R.F.

    Ni, Cd, Cu, Zn, and Fe were determined in water and suspended matter samples and Mn in suspended matter samples from the Southern Bight region of the North Sea. Four distinct areas, comprising the Rhine estuary, the Dutch coastal waters, the centre of the Bight, and the English coastal water can be distinguished on the basis of the distribution of the trace metals. The total concentrations of all metals were high in the Rhine estuary, decreased in a seaward direction to reach very low values, comparable to continental shelf water, in the centre of the Bight, and increased again towards the English coast. Elevated concentrations of dissolved Cu, Ni, Cd and Zn near the English coast are not only due to river inputs. Over the entire region, the fraction of Cd, Ni and Zn in solution was consistently more important than the fraction in the suspended particulate phase. In contast, the fraction of Fe and Mn in the solid phase was consistently greater than the fraction in solution. Total concentrations of Fe, Mn and Cu are more dictated by the suspended particulate matter concentration than Cd, Ni and Zn.

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