, Volume 91, Issue 1, pp 155–160 | Cite as

Zinc in water and sediments of two finnish lakes

  • L. Koivo
  • R. Oravainen


The distribution of zinc in Lake Vanajavesi and Lake Mallasvesi, South Finland, was determined on the basis of water and sediment studies. Lake Vanajavesi is one of the most polluted of large inland lakes, in Finland. The zinc load comes mainly from industrial sources. Lake Mallasvesi, situated near Vanajavesi, is in almost natural condition. The water samples were taken by a Ruttner sampler. In collecting sediment samples, a freezing technique was used. The results of zinc analyses indicate that, during several winters, zinc has spread with waste water to different parts of L. Vanaja against the main course of flow. A close correlation between sedimentation of zinc and waste discharge from a textile factory was found in the present study.


heavy metals zinc lakes sediments pollution industrial load sedimentation 


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Copyright information

© Dr W. Junk Publishers 1982

Authors and Affiliations

  • L. Koivo
    • 1
  • R. Oravainen
    • 2
  1. 1.Tampere University of TechnologyTampere 10Finland
  2. 2.Water Protection AgencyTampere 50Finland

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