Analysis of concentrations of pollutants (petroleum products, phenols, synthetic surfactants, OCPs, PAHs, heavy metals, etc.) in the water column and in the bottom sediments of Gelendzhik and Blue bays

The article describes the purpose of the work, which is determining the distribution and relationships between the composition of pollutants in coastal soil, bottom sediments and higher aquatic vegetation in the small river Khodtsa. There have been presented the data of the laboratory research based on the results of the field work onselecting samples, on concentration of toxicants (cadmium, lead, iron, nitrogen, ammonium and petroleum products) in deposit media, as well as in Carex aquatilis plants of the small river Hodza. This plant species is limiting throughout the river due to the low intensity of biological absorption. The studies were carried out during the summer low water season in 2019 on the river section from the source (Elektrostal city) to the river mouth in the area of Pavlovsky Posad. In all the studied objects there have been found increased concentrations of iron. In the coastal ground and bottom sediments the pollution with heavy metals is manifested to a much greater extent: at the source and intermediate point. Petroleum products and ammonia nitrogen are distributed unevenly in space. A correlation analysis of the experimental data obtained in the components of the environment of the studied territory (the Khodtsa river) was performed. In general, the highest measurement results are observed in the upper reaches of the small river Khodtsa in the industrial city of Elektrostal. The obtained data on the heavy metals migration in the system “сoastal ground – bottom sediments – higher aquatic vegetation” of the small river Khodtsa can be successfully used as indicators an environmental monitoring system and serve as the basis for organizing further research, as well as for developing a strategy for environmental management and environmental protection in the Moscow Region.

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ASSESSMENT OF THE MODERN STATE OF THE BOTTOM SEDIMENTS IN PORT TEMRYUK

Journal of Oceanological Research ◽

10.29006/1564-2291.jor-2021.49(1).4 ◽

2021 ◽

Vol 49 (1) ◽

pp. 53-67

Author(s):

R. R. Agletdinov ◽

I. Yu. Matasova

Keyword(s):

Heavy Metals ◽

Bottom Sediments ◽

Statistical Processing ◽

Petroleum Products ◽

Water Area ◽

Modern State ◽

Sea Of Azov ◽

The Sea Of Azov

The article analyzes the dynamics of changes in the content of petroleum products and a number of heavy metals (Fe, Cu, Zn, Pb, Cd) in the bottom sediments of the port of Temryuk in 2016–2020. Fluctuations in the concentrations of petroleum products in the soil from 88 to 413 mg/kg, iron – 8.4–41.0 mg/kg, copper – 13.6–116.0 mg/kg, zinc – 58.2–415.0 mg/kg, lead – 14.0–55.3 mg/kg, cadmium from less than 0.1 to 0.2 mg/kg were revealed. The geochemical features of the bottom sediments of the port of Temryuk relative to the sediments of the Sea of Azov are determined. Statistical processing of the obtained data made it possible to determine the correlation between the concentration of the substances in question in the soils of the studied water area.

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Ecotoxicological Studies on the Kilian Branch and Delta of the River Danube

Water Science & Technology ◽

10.2166/wst.1990.0006 ◽

1990 ◽

Vol 22 (5) ◽

pp. 35-38

Author(s):

L. P. Braginsky ◽

F Ya Komarovsky ◽

P. N. Linnik ◽

O. V. Maslova ◽

E. P. Shcherban

Keyword(s):

Heavy Metals ◽

Organochlorine Pesticides ◽

Bottom Sediments ◽

Petroleum Products ◽

Complex Compounds ◽

Danube River ◽

Predatory Fish ◽

High Molecular Weight Complex ◽

River Danube ◽

Pesticides In Water

Amounts of priority toxicants (heavy metals, petroleum and petroleum products, surfactants, phenols, organochlorine pesticides) in water, bottom sediments, macroinvertebrates, fish, and birds of the Kilian branch and delta of the River Danube were studied from 1978 to 1985. The bottom sediments and larger organisms were shown to be highly polluted by pesticide residues and heavy metals. In the water, organochlorine pesticides were almost completely adsorbed on suspended particles, while metals were found both in solution and in the suspended phase, forming high-molecular-weight complex compounds. Accumulation coefficients for DDT in the higher links of trophic chains (i.e., predatory fish, fish-eating birds) were 105 to 106. Danube river water was found have both acute and chronic toxicity, which was confirmed by biotesting on planktonic crustaceans. Toxicity varied in time and was of a pulsed character.

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Geoecological Assessment of the State of Coastal Waters and Bottom Sediments of the Lake Baikal and Its Tributaries (West Coast)

The Bulletin of Irkutsk State University Series Earth Sciences ◽

10.26516/2073-3402.2021.37.103 ◽

2021 ◽

Vol 37 ◽

pp. 103-114

Author(s):

M. S. Yanchuk ◽

Keyword(s):

Heavy Metals ◽

Lake Baikal ◽

Bottom Sediments ◽

Coastal Waters ◽

Cobalt Content ◽

Petroleum Products ◽

The State ◽

Western Coast ◽

Low Degree ◽

Sediment Bottom

This article presents the results of assessing the quality of coastal waters of the western coast of Lake Baikal and the rivers flowing into it (Kuchulga, Khorga, Sarma, Kurma). To assess the state of coastal waters, the following parameters were determined: the hydrogen index, the content of nitrogen-containing substances, phosphates, petroleum products, and heavy metals. Concentrations of heavy metals were found in the bottom sediments. The research was conducted in the summer period of 2016–2017. The lake shore under consideration is experiencing a high anthropogenic load due to the residential and recreational facilities located there. As a result of the study, it was found that, for most of the considered parameters, the water of the lake and its tributaries meet the established sanitary and hygienic standards. The excess of the MPC of the fishery in terms of the content of copper and lead in the water of the lake and its tributaries was determined. On the basis of the obtained data, a map-scheme of the distribution of nitrogen-containing substances in the study area was constructed. The concentrations of metals in the bottom sediments are also set at the level allowed by sanitary standards. There was a slight excess of the background values for the cobalt content in the samples of bottom sediments taken from the coastal waters of the lake and the Sarma River. To assess the degree of contamination of surface waters with heavy metals, the pollution coefficient for the sediment bottom was calculated, according to which the water bodies under consideration have a low degree of HM contamination.

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Content of the Heavy Metals in Water and Bottom Sediments of the Ingulets River

Hydrobiological Journal ◽

10.1615/hydrobj.v44.i5.110 ◽

2008 ◽

Vol 44 (5) ◽

pp. 105-110 ◽

Cited By ~ 3

Author(s):

I. M. Malakhov ◽

A. O. Bobko ◽

T. M. Aliokhina

Keyword(s):

Heavy Metals ◽

Bottom Sediments

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INFLUENCE OF THE ECOLOGICAL STATE OF THE SEREPOK RIVER (VIETNAM) ON ACCUMULATION OF HEAVY METALS IN ORGANS OF FISH

VESTNIK OF ASTRAKHAN STATE TECHNICAL UNIVERSITY SERIES FISHING INDUSTRY ◽

10.24143/2073-5529-2017-3-98-105 ◽

2017 ◽

pp. 98-105

Author(s):

Ngo The Cuong ◽

Tran Hoan Quoc ◽

Svetlana Vasilievna Zolotokopova

Keyword(s):

Heavy Metals ◽

Heavy Metal ◽

River Water ◽

Bottom Sediments ◽

Heavy Metal Concentration ◽

Industrial Areas ◽

Industrial Regions ◽

Cadmium Lead ◽

Sarotherodon Galilaeus ◽

Water Bottom

The article focuses on the study of change of containing heavy metals (zinc, copper, iron, cadmium, lead, arsenic) in the abiotic and biotic components of the Serepok river (Vietman) influenced by wastewater discharge from industrial areas. Heavy metal content was determined in the river water and bottom sediments in the four zones: above and within the boundaries of industrial regions Xoa Phu and Tam Thang and in two water reservoirs situated below the boundaries of those industrial areas. Tilapia Galilean ( Sarotherodon galilaeus ), Hemibagrus ( Hemibagrus ), and sazan ( Cyprinus carpio ) caught in these areas were the hydrobionts under study in which liver, gills, skeleton and muscles accumulation of heavy metals was detected. In the organs of fish caught in the river within industrial region, heavy metals concentration was 3-7 times higher. The greatest concentration of heavy metals was found in the liver and gills of fish caught in the boundaries of industrial regions, the least concentration was in the muscles. In most cases, significant correlation between heavy metal concentration in organs of fishes and in river water, bottom sediments has been revealed.

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PROBLEM OF HEAVY METAL SURFACE SEDIMENT CONTAMINATION IN THE EASTERN GULF OF FINLAND

Proceedings of International Conference "Managinag risks to coastal regions and communities in a changinag world" (EMECS'11 - SeaCoasts XXVI) ◽

10.21610/conferencearticle_58b4316eb2e6d ◽

2017 ◽

Author(s):

N Derugina ◽

А Grigoriev ◽

A Grigoriev ◽

Дарья Рябчук ◽

...

Keyword(s):

Heavy Metals ◽

Heavy Metal ◽

Bottom Sediments ◽

Late Holocene ◽

Sediment Contamination ◽

Gulf Of Finland ◽

Slow Decline ◽

Contamination Levels ◽

The Gulf Of Finland ◽

Neva Bay

This project defines the pre-industrial quantities of heavy metals in sediment sequences of the Late Holocene from the Eastern Gulf of Finland. A comparative analysis reveals differences and similarities in the current concentrations of heavy metals in bottom sediments and pre-industrial levels. It is found that the maximum concentrations of heavy metals in the bottom sediments of the Gulf of Finland and Neva Bay occurred in the period of 1950-1990. Since the 1990s, the trend has been a slow decline in the contamination levels; however, the concentrations of some heavy metals in bottom sediments remain high.

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Sedimentation of Pb-210 in Laurentian Shield Lakes

Water Quality Research Journal ◽

10.2166/wqrj.1984.018 ◽

1984 ◽

Vol 19 (2) ◽

pp. 97-109 ◽

Cited By ~ 23

Author(s):

R.J. Cornett ◽

L. Chant ◽

D. Link

Keyword(s):

Lake Sediments ◽

Water Column ◽

Rate Constant ◽

Bottom Sediments ◽

Atmospheric Fallout ◽

Small Lakes ◽

Fractional Rate ◽

Total Input ◽

Shield Lakes ◽

Annual Flux

Abstract The average annual flux of Pb-210 from the atmosphere to lake surfaces and to the bottom sediments was measured in seven small lakes located on the Laurentian Shield. Direct atmospheric fallout of Pb-210 was 136 ± 16 Bq m-2 a-1 Streams from the lakes' catchments input an additional 5 to 473 Bq m-2 a-1. Only 16 to 80 percent of the total input was found in the lake sediments. The fractional rate constant for Pb-210 sedimentation from the water column ranged from 0.25 to 5.3 per annum.

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Analysis of Spatial Variability of River Bottom Sediment Pollution with Heavy Metals and Assessment of Potential Ecological Hazard for the Warta River, Poland

Minerals ◽

10.3390/min11030327 ◽

2021 ◽

Vol 11 (3) ◽

pp. 327

Author(s):

Joanna Jaskuła ◽

Mariusz Sojka ◽

Michał Fiedler ◽

Rafał Wróżyński

Keyword(s):

Heavy Metals ◽

Bottom Sediment ◽

Bottom Sediments ◽

Risk Index ◽

Point Sources ◽

Sediment Pollution ◽

Sample Collection ◽

Effect Concentration ◽

Ecological Hazard ◽

River Bottom

Pollution of river bottom sediments with heavy metals (HMs) has emerged as a main environmental issue related to intensive anthropopressure on the water environment. In this context, the risk of harmful effects of the HMs presence in the bottom sediments of the Warta River, the third longest river in Poland, has been assessed. The concentrations of Cr, Ni, Cu, Zn, Cd, and Pb in the river bottom sediments collected at 24 sample collection stations along the whole river length have been measured and analyzed. Moreover, in the GIS environment, a method predicting variation of HMs concentrations along the whole river length, not at particular sites, has been proposed. Analysis of the Warta River bottom sediment pollution with heavy metals in terms of the indices: the Geoaccumulation Index (Igeo), Enrichment Factor (EF), Pollution Load Index (PLI), and Metal Pollution Index (MPI), has proved that, in 2016, the pollution was heavier than in 2017. Assessment of the potential toxic effects of HMs accumulated in bottom sediments, made on the basis of Threshold Effect Concentration (TEC), Midpoint Effect Concentration (MEC), and Probable Effect Concentration (PEC) values, and the Toxic Risk Index (TRI), has shown that the ecological hazard in 2017 was much lower. Cluster analysis revealed two main groups of sample collection stations at which bottom sediments showed similar chemical properties. Changes in classification of particular sample collection stations into the two groups analyzed over a period of two subsequent years indicated that the main impact on the concentrations of HMs could have their point sources in urbanized areas and river fluvial process.

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The distribution of lead, zinc, and chromium in fractions of bottom sediments in the Narew River and its tributaries

Oceanological and Hydrobiological Studies ◽

10.2478/v10009-008-0019-8 ◽

2008 ◽

Vol 37 (4) ◽

Author(s):

Mirosław Skorbiłowicz ◽

Elżbieta Skorbiłowicz

Keyword(s):

Heavy Metals ◽

Grain Size ◽

Bottom Sediment ◽

Size Distribution ◽

Grain Size Distribution ◽

Bottom Sediments ◽

Catchment Area ◽

Sediment Pollution ◽

Lead Zinc

The distribution of lead, zinc, and chromium in fractions of bottom sediments in the Narew River and its tributariesThe purpose of the paper was to evaluate the distribution of lead, zinc and chromium contents in different grain fractions of bottom sediments in the Narew River and some of its tributaries. This study also aimed to determine which fractions are mostly responsible for bottom sediment pollution. The studies of the Narew and its tributaries (the Supraśl, Narewka, and Orlanka) were conducted in September 2005 in the upper Narew catchment area. The analyzed bottom sediments differed regarding grain size distribution. The studies revealed the influence of the percentage of particular grain fractions present on the accumulation of heavy metals in all bottom sediments.

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