Sulfate mobility in an outwash soil in western Washington

D. W. Johnson; D. W. Cole

Treesearch

Sulfate mobility in an outwash soil in western Washington

Informally Refereed

Authors:

D. W. Johnson, D. W. Cole

Year:

1976

Type:

General Technical Report

Station:

Northern Research Station

Source:

In: Dochinger, L. S.; Seliga, T. A., eds. Proceedings of the first international symposium on acid precipitation and the forest ecosystem; Gen. Tech. Rep. NE-23. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 827-835

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Abstract

The effect of acidic precipitation on cation leaching in a second-growth Douglas-fir ecosystem at the Thompson Research Center is reviewed. Sulfate mobility and soil pH buffering power were tested by applications of heavy doses of sulfuric acid to the study plot. Sulfate at high concentrations proved to be immobilized, presumably by adsorption to soil sesquioxide surfaces. Soil sulfate adsorption was determined at varying sulfate concentrations, and two mechanisms of adsorption are implied by the shapes of the adsorption isotherms.

Parent Publication

Proceedings of the first international symposium on acid precipitation and the forest ecosystem

Citation

Johnson, D. W.; Cole, D. W. 1976. Sulfate mobility in an outwash soil in western Washington. In: Dochinger, L. S.; Seliga, T. A., eds. Proceedings of the first international symposium on acid precipitation and the forest ecosystem; Gen. Tech. Rep. NE-23. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 827-835