Abstract
This paper discussed the role of atmospheric deposition of mineral acids in the acidification of low-ionic-strength (dilute) surface waters in remote regions. Surface water acidification has been attributed to the atmospheric deposition of sulfuric acid, sulfur dioxide, and nitric acid, the oxidation of organic nitrogen from the soil, the production of soluble organic acids through the decay of dead plants and animals in soil, the oxidation of naturally occurring sulfide minerals, and the changes in land use. The research reported here was conducted as part of the Regionalized Integrated Lake-Watershed Acidification Study (RILWAS). The intent was to evaluate the general chemical characteristics of lakes in the Adirondack region of New York and to access the mechanisms that regulate the acid-base chemistry of these waters. 36 references, 5 figures, 3 tables.
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