Transport and sources of metal contaminants over the course of tidal cycle in the turbidity maximum zone of the Hudson River estuary

Huan Feng, J. Kirk Cochran, David J. Hirschberg

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Transport and source of metal contaminants (Ag, Cd, Cu, Pb and Zn) in the turbidity maximum zone of the Hudson River estuary were studied over the course of a tidal cycle in November 1994 and August 1995. This study showed that the metal/Fe ratios in suspended particles varied more widely than those in the local sediments, implying that sources of metal contaminants to the water column are not only from local sediment resuspension but also from lateral advection. Although the metal/Fe ratios oscillate with time at the anchor stations, a general increasing trend with salinity was found over the course of a tidal cycle, suggesting that the lower estuary could be a source of metal contaminants to the upper estuary regions. These results support that sediment resuspension and lateral advection are important factors responsible for transporting the lower estuary contaminants up river and redistributing metal contaminants in the estuary.

Original languageEnglish
Pages (from-to)733-743
Number of pages11
JournalWater Research
Volume36
Issue number3
DOIs
StatePublished - 1 Jan 2002

Fingerprint

tidal cycle
Estuaries
Turbidity
turbidity
Rivers
estuary
Impurities
pollutant
metal
Metals
river
Sediments
Advection
resuspension
advection
sediment
Anchors
anchor
water column
salinity

Keywords

  • Hudson River estuary
  • Metal contaminants
  • Sediments
  • Suspended particles
  • Tidal cycle
  • Turbidity maximum

Cite this

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Transport and sources of metal contaminants over the course of tidal cycle in the turbidity maximum zone of the Hudson River estuary. / Feng, Huan; Kirk Cochran, J.; Hirschberg, David J.

In: Water Research, Vol. 36, No. 3, 01.01.2002, p. 733-743.

Research output: Contribution to journalArticle

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