Ion mass balances for three small forested catchments in Sweden

Ion mass budget calculations were performed for three small, forested catchments. The study sites are situated along a deposition gradient from high loads of sulphur and nitrogen in southwest Sweden to low deposition in the northern part of the country. The sites showed three different H super(+)pro...

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Bibliographic Details
Published in:Water, air and soil pollution air and soil pollution, 1995-01, Vol.85 (2), p.529-534
Main Authors: Lofgren, S, Kvarnas, H
Format: Article
Language:English
Subjects:
acid deposition
acidification
air pollution
anions
Applied sciences
balance studies
cations
coniferous forests
Continental surface waters
drainage water
Environmental impact
Exact sciences and technology
forest soils
hydrogen ions
Ions
Mathematical models
mixed forests
Natural water pollution
Nitrogen
polluted soils
Pollution
Q1
runoff
soil pollution
Sulfur
Water treatment and pollution
watersheds
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Summary:Ion mass budget calculations were performed for three small, forested catchments. The study sites are situated along a deposition gradient from high loads of sulphur and nitrogen in southwest Sweden to low deposition in the northern part of the country. The sites showed three different H super(+)production/H super(+)consumption patterns mainly featuring the catchment characteristics and to a lesser extent the atmospheric deposition. External proton production, with atmospheric deposition as the main source, accounted for 34-40% of the total H super(+) production in southern Sweden and only for 12% in northern Sweden. This is low considering that the two southern sites are within the most exposed area for acid deposition in Sweden. It is obvious that natural H super(+) production processes can be very important also in such areas.
ISSN:0049-6979
1573-2932
DOI:10.1007/BF00476883