Abstract

Sediments of the river Elbe-especially in the port of Hamburg and upstream from this town-are highly polluted with the heavy metals Zn, Cu, Cr, Pb, As, Cd, and Hg. From Hamburg to the mouth of the river the heavy-metal content decreases rapidly as a result of a mixing process of polluted fluvial sediments with scarcely polluted marine sediments. Compared with Rhine sediments, the sediments of the Elbe show higher contents of Zn, Cu, As, and Hg, and lower contents of Cr, Pb, and Cd.

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