Abstract
Studies have proven the anthropogenic acidification of waters developing over the spacious territories of European Russia and West Siberia. The acidification is exhibited by the waters of small lakes characterized by bedrock consisting of granite and quartz formations. The acidified lakes of high water transparency, pH values below 6, and the prevalence of strong acids in the anion composition account for 4.4% of 201 lakes of European Russia and 8.2% of 166 explored lakes in the taiga and tundra regions of western Siberia. The main factor causing the development of acidification over the European Russia is the emission of technogenic sulfur by metallurgical smelteries. As for western Siberia, this is the combustion of associated gas at oil-producing enterprises. These processes combined with natural factors determine the complicated mechanism of anthropogenic acidification of waters.
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