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Science 20 April 1979:
Vol. 204. no. 4390, pp. 304 - 306
DOI: 10.1126/science.204.4390.304
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Articles

Aluminum Leaching Response to Acid Precipitation: Effects on High-Elevation Watersheds in the Northeast

CHRISTOPHER S. CRONAN 1 and CARL L. SCHOFIELD 2

1 Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755
2 Department of Natural Resources, Cornell University, Ithaca, New York 14853

Atmospheric inputs of sulfuric acid and nitric acid to noncalcareous higher-elevation watersheds in the White Mountain and Adirondack regions lead to comparatively high concentrations of dissolved aluminum in surface and ground waters. This phenomenon appears to result from modern increases in soil aluminum leaching. Transport of this aluminum to acidified lakes can lead to fish mortality. Combined results from areas of silicate bedrock in the United States and Europe suggest that aluminum represents an important biogeochemical linkage between terrestrial and aquatic environments exposed to acid precipitation.

Submitted on November 3, 1978
Revised on January 10, 1979


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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