Heavy metal transport and behavior in the lower Columbia River, USA.

@article{Johnson2005HeavyMT,
  title={Heavy metal transport and behavior in the lower Columbia River, USA.},
  author={Vernon G Johnson and Robert E. Peterson and Khris B Olsen},
  journal={Environmental monitoring and assessment},
  year={2005},
  volume={110 1-3},
  pages={271-89}
}
The primary objective of this study was to evaluate temporal changes in heavy metal content of lower Columbia River sediment following terminated or reduced soluble heavy metal loading from the world's largest lead-zinc refinery and mining districts in the USA and Canada. Sediment cores were collected from two fine sediment depositional sites ( approximately 600 km downstream) in August 1999 and were analyzed for total metal content, texture, and age/dating parameters. Zinc, cadmium and lead… CONTINUE READING

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