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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [38472]

Heavy metal enrichment of man-made origin of superficial sediment on the continental shelf of the north-western Black Sea Secrieru, D.; Secrieru, A. (2002). Heavy metal enrichment of man-made origin of superficial sediment on the continental shelf of the north-western Black Sea. Est., Coast. and Shelf Sci. 54(3): 513-526. https://dx.doi.org/10.1006/ecss.2000.0671 In: Estuarine, Coastal and Shelf Science. Academic Press: London; New York. ISSN 0272-7714; e-ISSN 1096-0015, meer Ook verschenen in: (2002). European River Ocean Systems (EROS-21): interactions between the Danube and the north-western Black Sea. Estuarine, Coastal and Shelf Science, 54(3). Academic Press: London. 279-641 pp., meer

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Beschikbaar in	Auteurs
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Trefwoorden

Chemical elements > Metals > Heavy metals Sediments Topographic features > Submarine features > Continental shelves Black Sea Plate [Marine Regions]

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Auteurs		Top
Secrieru, D. Secrieru, A.

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Abstract

Statistical techniques were used to chemically identify ` abnormal ' sediments, either contaminated by or naturally enriched in heavy metals. Iron was used for normalization. After assessing the possible contribution of natural enrichment processes, relative enrichments of man-made origin ranging from 50% to more than 200% were estimated for Co, Ba, Cu, Pb, Zn and Cd, usually, contamination drastically decreases with depth in the sedimentary column. The shelf areas most affected by heavy metal pollution are the Danube delta front, Danube prodelta and the central zone of the sediment-starved continental shelf. Romanian and Ukrainian oil-drilling activities heavily affect Ba concentrations in sediments and also contribute to the pollution of the continental shelf by other heavy metals.

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