CHANGES IN THE CHEMICAL COMPOSITION OF THE KENTI RIVER SYSTEM WATER UNDER HUMAN IMPACT

Transactions of the Karelian Research Centre of the Russian Academy of Sciences

Petr Lozovik¹  Natal'ja Galahina¹ 

[1] Northern Water Problems Institute, Karelian Research Centre, Russian Academy of Sciences50 A. Nevsky St., 185030 Petrozavodsk, Karelia, Russia;

关键词: human impact;    kostomuksha mining and processing plant;    tailings pond;    kenti lake-river system;   

DOI  :  10.17076/lim309

来源: DOAJ

【 摘 要 】

Changes in the water chemical composition in the tailings pond and the Kenti lake-river system under the impact of the Kostomuksha mining and processing plant were determined using data of long-term hydrochemical observations (1970–2015). It was found that releases from the tailings pond influenced the Kenti river system the most, and led to a significant increase in water salinity, concentrations of K⁺, SO₄^2-, NO₃^-, Ni and Li, and to a decrease in organic matter content in comparison with the natural state. Pollution of the tailings pond waters and Kenti river system was estimated using high-priority pollution indices.

【 授权许可】

Unknown