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Kashulina T. G., Kashulin N. A., Dauvalter V. A.
The long-term dynamics of hydrochemical indices of low-mineralized subarctic lakes in reducing the acid load
DOI: 10.21443/1560-9278-2016-1/2-194-206
Abstract. The results of long-term studies (1990–2013) of dynamics of the main hydrochemical indices of the subarctic Shuonijavr Lake located in the zone of airborne pollution from a metallurgical plant have been considered. The following facts have been revealed: significant increase of alkalinity and acid neutralizing capacity (ANC) of the lake water; reduction in the range of seasonal fluctuations of ph and alkalinity; reduction of in the lake water during the observation period as a result of reducing the acid load due to the decrease of SO2 emission. Despite the stabilization of the lake water ANC the pollution indicators in six elements of polluters foreground for the region remain high values
Keywords: Subarctic, lake, acidification, acid neutralizing capacity (ANC), heavy metals, metal forms, recovery
Printed reference: Kashulina T. G., Kashulin N. A., Dauvalter V. A. The long-term dynamics of hydrochemical indices of low-mineralized subarctic lakes in reducing the acid load // Vestnik of MSTU. 2016. V. 19, No 1. P. 194-206.
Electronic reference: Kashulina T. G., Kashulin N. A., Dauvalter V. A. The long-term dynamics of hydrochemical indices of low-mineralized subarctic lakes in reducing the acid load // Vestnik of MSTU. 2016. V. 19, No 1. P. 194-206. URL: http://vestnik.mstu.edu.ru/v19_1_2n65/4_Kashulina_T_194_206.pdf.
