Monitoring of heavy metals and arsenic in bottom sediments of water bodies

B. Korzhenevsky; Gleb Y. Tolkachev; Nikolay V. Kolomiycev

doi:doi:10.32962/0235-2524-2019-5-53-57

VAK Russia 06.01.2002 UDC 63 CSCSTI 68.31 Russian Classification of Professions by Education 110000 Russian Library and Bibliographic Classification 40 Russian Trade and Bibliographic Classification 6367 BISAC TEC003000

Monitoring of heavy metals and arsenic in bottom sediments of water bodies

Published в Melioration and Water Management · Volume 2019, Issue 5, 2020 · Pages 53–57 · Rubrics: MELIORATION AND ECOLOGY

DOI 10.32962/0235-2524-2019-5-53-57

Received: 03.02.2020 Accepted: 06.02.2020 Published: 06.02.2020 Language of publication: RUS

Authors

B. Korzhenevsky ¹ · Gleb Y. Tolkachev ² · Nikolay V. Kolomiycev ³

1 FGBNU "VNIIGiM im. A.N. Kostyakova"

2 FGBNU "VNIIGiM im. A.N. Kostyakova"

3 FGBNU "VNIIGiM im. A.N. Kostyakova"

ABSTRACT

The study of contamination of sediments of water bodies with chemical elements continues to be one of the important problems of geoecology. The lack of a formal normative base for these indicators has led to different and diverse approaches and methods to solve this problem. The selection of the territory of a large water body on the example of the Volga river basin is made. There are four different hierarchical levels of research objects. The questions of location in time and space of observation points for the change of pollution of the river sediments and reservoirs are considered and justified. Theoretical and methodical substantiation of sampling of these deposits, the allocation of silt fraction less than 0.020 mm, which allows to bring samples containing different size components to the «common denominator» in laboratory studies. The choice of geoaccumulation index as an indicator of the level of pollution of the studied objects is justified. It is recommended at the present stage to use the total index of toxic pollution to assess the total technogenic pressure on the studied area. The assessment of complex pollution of the sediments can also be carried out on the basis of the total toxic pollution. The necessity to use the same permanent set of seven heavy metals Cd, Hg, Pb, Zn, Cu, Cr, Ni and As in solving the problem is substantiated. To present the results of field and laboratory studies, along with traditional tables, diagrams and graphs, it is recommended to use a color scheme map, where the technogenic pressure is displayed from the blue to the green and yellow to the red – the most dangerous. To assess the quality of the sediments for areas of water bodies experiencing anthropogenic load from the 1st – 2nd city-forming enterprises, can be carried out on the mono-element schematic maps or diagrams.

KEYWORDS

pollution monitoring sediments heavy metals arsenic water bodies technogenic pressure assessment of state schematic maps

Information References

Authors:

1. FGBNU "VNIIGiM im. A.N. Kostyakova"

2. FGBNU "VNIIGiM im. A.N. Kostyakova"

3. FGBNU "VNIIGiM im. A.N. Kostyakova"

Type:

Article

Pages:

from 53 to 57

Status:

Published

Subject area:

VAK Russia 06.01.2002
UDC 63
CSCSTI 68.31
Russian Classification of Professions by Education 110000
Russian Library and Bibliographic Classification 40
Russian Trade and Bibliographic Classification 6367
BISAC TEC003000 Agriculture / General

Language:

Russian

Keywords:

pollution monitoring, sediments, heavy metals, arsenic, water bodies, technogenic pressure, assessment of state, schematic maps

References

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