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Reconstructions of historical metal emissions and their dispersion in the environment
Linköping University, The Tema Institute, Department of Water and Environmental Studies. Linköping University, Faculty of Arts and Sciences.
1995 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

A material flow perspective has been applied in the study of the emission, immission and dispersion of heavy metals from three historical point sources in activity during the 18th, 19th and 20th centuries, with the aim of assessing the duration of pollution. The companies studied are Lovers alumworks (1723-1840), Atvidaberg copperworks (1750-1900) and NIFE-Jungner in Fliseryd (1910-1974), all situated in south-eastern Sweden. The metabolism of cadmium and lead were studied for all three companies, and copper and zinc were also included in the study of the Atvidaberg copperworks.

A methodological package was employed where the metal concentrationsin the following media were studied; soil, time-defmed oak tree segments, ground and surface water and sediments. Furthermore, each company was studied through its book-keeping and official statistics in order to assess the size of its metal flows.

At Lovers alumworks, cadmium concentrations in the soil are at presentnot higher than the background levels, indicating that leaching has depleted the cathnium store. Lead is still found in high concentrations in the inunediate vicinity of the works. In Atvidaberg, leaching has not progressed that far, but, during the century which has passed since the emissions ceased, the emphasis of the metal distribution has changed from the soil to the sediments of the downstream lake. Around NIFE-Jungner, both cathnium and lead display some mobility in the soil, but since only twenty-five years have passed since the company was closed down, the concentrations are still high.

It can be concluded, that the duration of local metal pollution in the soil,in some cases, is no longer than about a couple of hundred years, and that the period of time passed after the emissions have ceased, is an important governor of the metal concentrations in the soil. The use of archive studies in order to assess historical metal emissions and the simultaneous field studies of metal concentrations used in this thesis, have generated new information concerning both tree-ring methods and the issue of metal mobility in soil.

Place, publisher, year, edition, pages
Linköping: Linköpings universitet , 1995. , 58 p.
Linköping Studies in Arts and Science, ISSN 0282-9800 ; 127
National Category
Social Sciences Interdisciplinary
URN: urn:nbn:se:liu:diva-35074Local ID: 24808ISBN: 91-7871-528-8OAI: diva2:255922
Public defence
1995-05-26, Sal Elysion, Hus-T, Universitetsområdet Valla, Linköping, 10:00 (Swedish)
Papers, included in the Ph.D. thesis, are not registered and included in the posts from 1999 and backwards.Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2012-07-10Bibliographically approved

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Eklund, Mats
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