Artikkelit kirjoittajalta Jorma Mikkola
Sammalpallomenetelmä lyijysulaton päästöjen tutkimuksessa.
English title: Monitoring lead emissions with moss bags near a lead smelter in southern Finland.
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Tekijät
Moss (Sphagnum) bags were used to study the deposition of lead near a lead smelter in Vantaa, southern Finland, during 1983—1986. Pit-furnace and refining smelting were carried out. However, in March 1984 pit-furnace smelting ceased. The content of lead in moss bags increased clearly with decreasing distance from the source. The values were clearly smaller after the change in smelting process. Besides the moss bag method we also compared moss bags with other methods (deposition, suspended particles, snow sampling). There existed highly significant correlations between moss bag and other methods. The moss bag method enables a dense monitoring net and was found to be a rapid, easy and inexpensive way of monitoring the intensity and distribution of lead pollution.
Key words: lead, air pollution, monitoring, moss bags, Sphagnum.
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Vasander,
University of Helsinki, Department of Peatland Forestry, Unioninkatu 40 B, SF-00170 Helsinki, Finland
Sähköposti:
ei.tietoa@nn.oo
- Mikkola, Sähköposti: ei.tietoa@nn.oo
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