Abstract
Natural, unpolluted waters draining surface soils and bog soils near Petersburg, Alaska have low pH (≤4.7) due to the presence of organic acids. Nearby streams are influenced by organics as well, but are only slightly acid (pH≥6).
Projections of the effects of acid and sulfate inputs (acid rain) using a worst-case model indicate the greatest potential declines in pH would occur in the most acid waters, whereas very little change would occur in near neutral waters.
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Johnson, D.W. The natural acidity of some unpolluted waters in southeastern Alaska and potential impacts of acid rain. Water Air Soil Pollut 16, 243–252 (1981). https://doi.org/10.1007/BF01046858
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DOI: https://doi.org/10.1007/BF01046858