Distribution of heavy metal and PCB contaminants in the sediments of an urban estuary

The Hudson River

Huan Feng, J. Kirk Cochran, Honoratha Lwiza, Bruce J. Brownawell, David J. Hirschberg

Research output: Contribution to journalArticleResearchpeer-review

134 Citations (Scopus)

Abstract

Surficial sediments obtained from sediment cores were collected over 100 km along the axis of the lower Hudson River in June 1994, November 1994, May 1995 and April 1996 and showed the presence of anthropogenic Ag, Cd, Cu, Pb, Zn, PCBs in all samples. Contaminant distributions in the Hudson River estuary show two types of trends: Ag, Cu and Pb show an increasing trend down-estuary with maximum values in New York Harbor sediments; in contrast, Cd, Zn and total PCBs display a decreasing trend toward New York Harbor where urban sources are also apparent. Silver is a useful tracer of urban sources of contaminants in the Hudson River estuary and polychlorinated biphenyls (PCBs) are useful source indicators of upriver sources. Correlations of Cu and Pb with Ag suggest that Ag, Cu and Pb are dominated by down-estuary sources such as wastewater effluent. The history of their inputs suggests that they have been progressively transported downstream. Correlations of Cd and Zn with total PCBs indicate that these contaminants are dominated by upriver sources, where they are removed and diluted downstream along with the sediment transport.

Original languageEnglish
Pages (from-to)69-88
Number of pages20
JournalMarine Environmental Research
Volume45
Issue number1
DOIs
StatePublished - 1 Feb 1998

Fingerprint

Hudson River
sediment contamination
polychlorinated biphenyls
Estuaries
Polychlorinated biphenyls
Heavy metals
PCB
Sediments
heavy metals
estuaries
Rivers
estuary
heavy metal
Impurities
harbors (waterways)
pollutant
Ports and harbors
river
sediments
sediment

Keywords

  • Contamination
  • Heavy metals
  • Hudson River estuary
  • New York City metropolitan area
  • Polychlorinated biphenyl
  • Sediments

Cite this

Feng, Huan ; Cochran, J. Kirk ; Lwiza, Honoratha ; Brownawell, Bruce J. ; Hirschberg, David J. / Distribution of heavy metal and PCB contaminants in the sediments of an urban estuary : The Hudson River. In: Marine Environmental Research. 1998 ; Vol. 45, No. 1. pp. 69-88.
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Distribution of heavy metal and PCB contaminants in the sediments of an urban estuary : The Hudson River. / Feng, Huan; Cochran, J. Kirk; Lwiza, Honoratha; Brownawell, Bruce J.; Hirschberg, David J.

In: Marine Environmental Research, Vol. 45, No. 1, 01.02.1998, p. 69-88.

Research output: Contribution to journalArticleResearchpeer-review

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