Variations of the concentrations of major ions and nutrients in surface water of Southern Yakutia at the industrial development of the territory |
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| Authors: | A P Chevychelov L I Kuznetsova |
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| Institution: | 1.Institute of Biological Problems of Permafrost Zone, Siberian Branch,Russian Academy of Sciences,Yakutsk,Russia |
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| Abstract: | The article presents the results obtained in studying variations of the concentrations of ion composition, and nutrients in the surface waters of Southern Yakutia in the construction zone of the Amur–Yakutsk Railway Main Line, as well as in streams in the territory of the Neryungri Coal and Aldan Gold-Mining regions. In 2007–2012, the concentrations of major ions in the 15 examined watercourses varied mostly under the effect of natural conditions, while variations of the concentrations of major ions and nutrients in surface waters of the coal- and gold-mining regions, estimated for the past 30–40 years, were significant as the result of anthropogenic and technogenic impact. Variations of all examined chemical characteristics of water in the examined rivers did not go beyond their MACs introduced by SanPin. |
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