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Pre-industrial atmospheric pollution: Was it important for the pH of acid-sensitive Swedish lakes?
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
Umeå University, Faculty of Science and Technology, Department of Ecology and Environmental Sciences.
Swedish Univ Agr Sci, Dept Forest Ecol, Umeå, Sweden.
2002 (English)In: Ambio, ISSN 0044-7447, Vol. 31, no 6, 460-465 p.Article in journal (Refereed) Published
Abstract [en]

Acid rain has caused extensive surface water acidification in Sweden since the mid-20(th) century. Sulfur emissions from fossil-fuel burning and metal production were the main sources of acid deposition. In the public consciousness acid deposition is strongly associated with the industrial period, in particular the last 50 years. However, studies of lake-water pH development and atmospheric pollution, based on analyses of lake sediment deposits, have shown the importance of a long-term perspective. Here, we present a conceptual argument, using the sediment record, that large-scale atmospheric acid deposition has impacted the environment since at least Medieval times. Sulfur sources were the pre-industrial mining and metal industries that produced silver, lead and other metals from sulfide ores. This early excess sulfur deposition in southern Sweden did not cause surface water acidification; on the contrary, it contributed to alkalization, i.e. increased pH and productivity of the lakes. Suggested mechanisms are that the excess sulfur caused enhanced cation exchange in catchment soils, and that it altered iron-phosphorus cycling in the lakes, which released phosphorus and increased lake productivity

Place, publisher, year, edition, pages
2002. Vol. 31, no 6, 460-465 p.
Keyword [en]
FOSSIL-FUEL COMBUSTION; LEAD POLLUTION; SULFATE REDUCTION; NORTHERN EUROPE; SULFUR ISOTOPES; ORGANIC-MATTER; PEAT BOG; SWEDEN; SEDIMENTS; ACIDIFICATION
National Category
Earth and Related Environmental Sciences
Research subject
biology, Environmental Science
Identifiers
URN: urn:nbn:se:umu:diva-52199DOI: 10.1639/0044-7447(2002)031[0460:PIAPWI]2.0.CO;2OAI: oai:DiVA.org:umu-52199DiVA: diva2:499928
Available from: 2012-02-13 Created: 2012-02-13

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
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