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- Löfgren, Stefan; Zetterberg, Therese
- The Science of the total environment 2011 v.409 no.10 pp. 1916-1926
- acidification, etc ; coagulation; dissolved organic carbon; forests; ionic strength; lakes; models; monitoring; pH; soil depth; soil solution; soil water; solubility; streams; sulfur; surface water; Canada; Czech Republic; Norway; Sweden; United States; Show all 21 Subjects
- ... During the last two decades, there is a common trend of increasing concentrations of dissolved organic carbon (DOC) in streams and lakes in Europe, Canada and the US. Different processes have been proposed to explain this trend and recently a unifying hypothesis was presented, concluding that declining sulphur deposition and recovery from acidification, is the single most important factor for the ...
- Skeffington, R.A.; Whitehead, P.G.; Heywood, E.; Hall, J.R.; Wadsworth, R.A.; Reynolds, B.
- The Science of the total environment 2007 v.382 no.2-3 pp. 199-213
- acidification, etc ; environmental models; pollution load; emissions; spatial data; nitrogen; coniferous forests; acid deposition; atmospheric deposition; Monte Carlo method; probabilistic models; acidity; pollution control; estimation; mathematical models; equations; eutrophication; England; Wales; Show all 19 Subjects
- ... Critical loads are the basis for policies controlling emissions of acidic substances in Europe and elsewhere. They are assessed by several elaborate and ingenious models, each of which requires many parameters, and have to be applied on a spatially-distributed basis. Often the values of the input parameters are poorly known, calling into question the validity of the calculated critical loads. This ...