MONITORING OF SEDIMENT POLLUTION FOR VARIOUS WATER BODIES IN THE UPPER VOLGA REGION-Reference-Cited by-同舟云学术

MONITORING OF SEDIMENT POLLUTION FOR VARIOUS WATER BODIES IN THE UPPER VOLGA REGION

Published:2023-05-01 Issue:3 Volume: Page:65-75
ISSN:0869-7809
Container-title:Геоэкология. Инженерная геология. Гидрогеология. Геокриология
language:
Short-container-title:Geoèkologiâ

Author:

Tolkachev G. Yu.¹,Korzhenevskiy B. I.¹,Kolomiytsev N. V.¹

Affiliation:

1. Kostyakov All-Russian Research Institute of Hydraulic Engineering and Amelioration

Abstract

The problem of water body pollution with heavy metals is still relevant. From the viewpoint of technogenic load, the most hazardous pollutants are elements Hg, Cd, Zn, Pb, Cu, Cr, Co, Ni, Fe, Mn, and As. To systematize the research, the objects of different hierarchical levels were identified. Based on many years of experimental work, contamination of sediments with heavy metals was assessed for the Upper Volga system, i.e., Lake Seliger, an unregulated section of the Upper Volga, Ivankovskoe and Uglichskoe reservoirs. The largest taxon is the basin of the reservoir with the adjoining watershed area with cities and towns located on it, tributaries of various orders, smaller elements of natural and natural-technogenic relief. Urban and settlement agglomerations located on the coasts of reservoirs and unregulated areas or within watersheds are smaller in area, but no less significant in their role in water body pollution. Small rivers contribute to pollution/purification, which can contribute to the flow of both clean and polluted silty material into large watercourses. Different areal and temporal survey modes are offered for taxa of different hierarchy. The practical results of studies of the content in sediments of the listed objects of heavy metals – Cr, Co, Ni, Zn, Cd, Pb, As, Fe and Mn are presented. Described or provided references to the methods used in the experiments. The general picture of pollution is presented and the tendencies of its change in space and time are noted.

Publisher

The Russian Academy of Sciences

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