Oceanological and Hydrobiological studies

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Title: Influence of cadmium and lead partitioning in water and sediment on their deposition in the sediment of a eutrophic dam reservoir
Authors: Szarek-Gwiazda Ewa
Mazurkiewicz-Boroń Grażyna
Abstract: This study was conducted in the submontane and eutrophic Dobczyce Reservoir (southern Poland). Cadmium and lead concentrations in the water and sediment were relatively low. The partitioning coefficient (Kd) indicated that dissolved Cd and Pb dominated in the water column at depths of 1 and 15 m, and that they were present in the particulate phase in near-bottom water. The relation of dissolved Cd and Pb with physical and chemical parameters of the water is discussed. Binding forms of Cd and Pb in the sediment showed that Cd was potentially a more “mobile’ element than Pb; therefore, Cd had probably accumulated in the sediment in considerably lower amounts than Pb (K=8400 and K=33000, respectively).
DOI:
Type of paper: Original research paper
Pages: 141 to 157
Cytation: Szarek-Gwiazda E., Mazurkiewicz-Boroń G., 2006, Influence of cadmium and lead partitioning in water and sediment on their deposition in the sediment of a eutrophic dam reservoir, Ocean. Hydrob. Studies, 35(2): 141-157
Keywords: Cd, Pb, water, sediment, partitioning
Year: 2006
Category:
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