Regional Retrospective Analysis of Water and Bottom Sediments in the Upper Volga

The dynamics of water quality in the Upper Volga was analyzed in the segment from the source to the Ivankovo Reservoir. It was found that the increase in anthropogenic stress in this region leads to an increase in the concentrations of sulfates and chloride-ions in river water. Overall, the water in...

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Bibliographic Details
Published in:Water resources 2022-06, Vol.49 (3), p.467-474
Main Authors: Tikhomirov, O. A., Bocharov, A. V., Nikol’skii, V. M., Serditova, N. E., Smirnov, S. N.
Format: Article
Language:English
Subjects:
Anthropogenic factors
Aquatic Pollution
Bottom sediments
Chloride ions
Earth and Environmental Science
Earth Sciences
Fluvial sediments
Heavy metals
Hydrobiology: Environmental Aspects
Hydrochemistry
Hydrogeology
Hydrology/Water Resources
Metals
Regional analysis
Reservoirs
River water
Rivers
Sediment pollution
Sediments
Sulfates
Trace elements
Waste Water Technology
Water analysis
Water Management
Water Pollution Control
Water quality
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Summary:The dynamics of water quality in the Upper Volga was analyzed in the segment from the source to the Ivankovo Reservoir. It was found that the increase in anthropogenic stress in this region leads to an increase in the concentrations of sulfates and chloride-ions in river water. Overall, the water in the Upper Volga is characterized as polluted. Microelement concentrations in bottom sediments in the river and in the Ivankovo Reservoir (Tver region) were found to differ radically. Areals of bottom sediments with high sorption of heavy metals were identified near Tver and Konakovo cities. Field studies of the state of bottom sediments of the Ivankovo Reservoir showed a distinct trend toward the accumulation of heavy metals in them.
ISSN:0097-8078
1608-344X
DOI:10.1134/S0097807822030174