Geochemical and lithological factors in acid precipitation

James R. Kramer

Treesearch

Geochemical and lithological factors in acid precipitation

Informally Refereed

Authors:

James R. Kramer

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. 611-618

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Abstract

Acid precipitation is altered by interaction with rocks, sediment and soil. A calcareous region buffers even the most intense loading at pH ~8; an alumino silicate region with unconsolidated sediment buffers acid loadings at pH ~6.5; alumino silicate outcrops are generally acidified. Either FeOOH or alumino silicates are probable H⁺ ion sinks in noncalcareous sediments. Glacially derived sediment is more important than bedrock in assimilation of acid precipitation in Shield areas. Toxic metal concentrations are dependent upon sediment metal concentrations and the pH of water.

Parent Publication

Some recent products of river recreation research.

Citation

Kramer, James R. 1976. Geochemical and lithological factors in acid precipitation. 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. 611-618