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Article

Major-Ion Chemistry and Quality of Water in Rivers of Northern West Siberia

1
Tomsk Branch of the Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of Russian Academy of Sciences, 634055 Tomsk, Russia
2
School of Earth Sciences and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Maurizio Barbieri
Water 2021, 13(21), 3107; https://doi.org/10.3390/w13213107
Received: 24 September 2021 / Revised: 25 October 2021 / Accepted: 2 November 2021 / Published: 4 November 2021
This study reports a synthesis of years-long hydrogeochemical monitoring in northern West Siberia, performed by the Russian Meteorological Service (Rosgidromet) and several academic institutions. Natural factors and intensive human economic activity lead to the disruption of the ecosystems of the northern territories of Western Siberia. The aim of this study is to estimate the background water chemistry parameters in the rivers of northern West Siberia in the beginning of the 21st century. The mean values hydrochemical and geochemical indicators were determined with STATISTICA software, which can be used as background values in assessing the actual and allowable anthropogenic impact on water bodies. We revealed four water chemistry provinces: western Ob Gulf and Ob estuary catchments (I); eastern Ob Gulf and Taz Gulf catchments, except for the Taz River and its tributaries (II); Taz River catchments (III); Yenisei River catchments, right bank (IV). The major-ion chemistry of the sampled river waters records a combination of geological, geomorphological, and hydrological conditions in the four provinces. The features typical of the northern West Siberian Plain are especially prominent in province II, which has the lowest average total of major ions (Σmi), the highest chemical oxygen demand (potassium dichromate COD), and the highest contents of Fe and phosphates. The Σmi value is the highest in province IV. The river waters from four provinces share similarity in quite high organic contents (both potassium dichromate and permanganate COD), as well as high NH4+ and Fe. The long-term average Σmi of the waters is predicted not to change much in the coming one or two decades, though it may decrease slightly in the winter season but increase in the fall and spring time. View Full-Text
Keywords: river water; major ions; background concentration; water discharge; northern West Siberia river water; major ions; background concentration; water discharge; northern West Siberia
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MDPI and ACS Style

Ivanova, I.; Savichev, O.; Trifonov, N.; Kolubaeva, Y.V.; Volkova, N. Major-Ion Chemistry and Quality of Water in Rivers of Northern West Siberia. Water 2021, 13, 3107. https://doi.org/10.3390/w13213107

AMA Style

Ivanova I, Savichev O, Trifonov N, Kolubaeva YV, Volkova N. Major-Ion Chemistry and Quality of Water in Rivers of Northern West Siberia. Water. 2021; 13(21):3107. https://doi.org/10.3390/w13213107

Chicago/Turabian Style

Ivanova, Irina, Oleg Savichev, Nikolay Trifonov, Yulia V. Kolubaeva, and Natalia Volkova. 2021. "Major-Ion Chemistry and Quality of Water in Rivers of Northern West Siberia" Water 13, no. 21: 3107. https://doi.org/10.3390/w13213107

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