Space–Time Analysis of Hydrochemical Composition and Pollution of Water in the Northern Dvina Basin


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Water quality dynamics along the Northern Dvina River is analyzed under the conditions of anthropogenic impact. Overall, river water is classified as very polluted. The cases of high and extremely high pollution are considered for different river reaches. The most widespread pollutants are organic matter and compounds of iron, copper, and zinc. The long-term average annual volumes of the inflow of individual pollutants along the river are 2–5 times the MAC. In addition, a tendency toward some improvement of river water quality downstream the river was identified with a decrease in oil products and zinc compounds.

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R. Dzhamalov

Water Problems Institute, Russian Academy of Sciences

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Email: roald@iwp.ru
俄罗斯联邦, Moscow, 119333

A. Mironenko

Water Problems Institute, Russian Academy of Sciences

Email: roald@iwp.ru
俄罗斯联邦, Moscow, 119333

K. Myagkova

Water Problems Institute, Russian Academy of Sciences

Email: roald@iwp.ru
俄罗斯联邦, Moscow, 119333

O. Reshetnyak

Water Problems Institute, Russian Academy of Sciences

Email: roald@iwp.ru
俄罗斯联邦, Moscow, 119333

T. Safronova

Water Problems Institute, Russian Academy of Sciences

Email: roald@iwp.ru
俄罗斯联邦, Moscow, 119333

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