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Heavy metals (Cu, Zn, Cd, Pb) in sediment of the Java Sea, estuarine and coastal areas of East Java and some deep-sea areas
Everaarts, J.M. (1989). Heavy metals (Cu, Zn, Cd, Pb) in sediment of the Java Sea, estuarine and coastal areas of East Java and some deep-sea areas. Neth. J. Sea Res. 23(4): 403-413
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

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Keyword
    Marine

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  • Everaarts, J.M.

Abstract
    The concentrations of copper, zinc, cadmium and lead were measured in the bulk sediment and the silt fraction of the surface sediment (upper 2 cm) from the riverine and estuarine zones of the rivers Brantas and Solo and in the adjacent coastal areas around East Java. The levels of contamination of the sediments with heavy metals were also determined in the Java Sea, some sites in the Bali Sea and the Indian Ocean. The concentrations of the trace elements were consistently higher in the silt fraction than in the bulk sediment. Trace element levels were higher in riverine and estuarine sediments than in sediment from coastal waters and the Java Sea. Increased copper, zinc and cadmium concentrations were measured in surface sediment from deep-sea areas. There were no or only minor differences in the metal concentrations in the sediment (both bulk sediment and the silt fraction) between the dry and the wet monsoon.

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