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Special Issue "Contaminants Occurrence, Transport and Reactivity in Aquatic Ecosystems and Utilities"

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Faculty of Environmental Engineering and Energy, Cracow University of Technology, 24 Warszawska Street, 31-155 Cracow, Poland
Interests: water supply; sewage disposal; water quality; water treatment; pipe renovation; rainwater management; water pollution

Prof. Dr. Andrzej Bielski
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Faculty of Environmental Engineering and Energy, Cracow University of Technology, 24 Warszawska Street, 31-155 Cracow, Poland
Interests: transport of pollutants in rivers; transport of pollutants in underground water

Dr. Anna Młyńska

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Guest Editor

Faculty of Environmental Engineering and Energy, Cracow University of Technology, 24 Warszawska Street, 31-155 Cracow, Poland
Interests: water supply; water quality; pollutants

Special Issue Information

Dear Colleagues,

We are inviting you to submit papers for a Special Issue focused on pollution in aquatic ecosystems and utilities.

Aquatic and water-dependent habitats are particularly vulnerable to degradation due to the importance of water to humans and the economy. Nearly every form of human activity strongly impacts the aquatic environment, from water intake and wastewater production to waste disposal and leachate leaks into groundwater and surface water. This activity, combined with natural phenomena and the rapidly changing climate, severely threaten the aquatic environment. Possible consequences include periodical local shortages of water for drinking, domestic, agricultural and industrial purposes and a significant deterioration in water quality, limiting or completely preventing its use. These factors may hinder or inhibit the activites of fauna and flora, including those consumed by humans. Threats to the aquatic ecosystem include intensive, human-induced eutrophication, an increase in heavy metal concentrations and numerous contaminats, such as microplastics, pharmaceuticals and personal care products, polluting surface waters and groundwaters, seas and oceans. Contaminated water drawn for human use must undergo a complicated treatment process and poses a great risk to the users.

In order to protect the aquatic ecosystem and improve human livelihoods, research is needed within the scope of this Special Issue.

Prof. Dr. Michal Zielina
Prof. Dr. Andrzej Bielski
Dr. Anna Młyńska
Guest Editors

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Keywords

emerging pollutants
micropollutants, nanomaterial contaminants
trace elements, eutrophication
wastewater
climat change
water quality

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Research

Open AccessArticle

Heavy Metals in Post-Exploitation Reservoirs—The Bagry Lake Case Study (Poland)

Andrzej Bielski

and

Anna Czaplicka

Appl. Sci. 2023, 13(10), 5884; https://doi.org/10.3390/app13105884 - 10 May 2023

Viewed by 490

Abstract

The paper presents the research study on the concentration of Fe, Mn, Cu, Pb, Zn, Cd and Ca in the sediment as well as in the supernatant (layer of water just above the sediment) of the Bagry Lake, Cracow (Poland); Ca was not included in the supernatant analysis. There are a number of works in the literature on the concentrations of metals in the water environment of flow-through dam reservoirs and factors influencing their distribution. These reservoirs were created for various purposes, e.g., water supply, flood protection, leveling the flows in the rivers and recreational purposes. Since it is difficult to find information on metals and factors influencing their distribution in the aquatic environment of post-exploitation reservoirs, this work aims to fill this gap. The additional purpose of the work was to assess the potential influence of metals’ presence in the sediment of Bagry Lake on benthic organisms. Correlations between metals in the sediment and their volatile and mineral fractions as well as in particle size fractions of ≥0.06 mm and <0.06 mm were determined. Except for cadmium, metals showed a positive correlation with the sediment volatile fraction of granulometry <0.06 mm (a clay-silty fraction). It has been shown that metals, in both supernatant and sediment, are of an anthropogenic origin related to previous on-lake operations, as well as a nearby modern technical infrastructure. Statistical models were used to measure the strength of relationships between the concentration of various metals in the sediments. A cluster analysis was used to study interactions between the concentration of metals in supernatant, in sediment and in its volatile and mineral fractions as well as in fractions with different granulation. It was found that individual metals and sediment fractions form pairs of quite strong clusters, e.g., Fe sediments and Mn sediments, Fe supernatant and Mn supernatant, Cu supernatant and Pb supernatant, volatile fraction and mass fraction of particles < 0.06 mm and mineral fraction and mass fraction of particles ≥ 0.06 mm. The equilibrium model “supernatant—sediment mineral fraction—sediment volatile fraction” was developed for metals in various granulometric fractions of the sediment as well as in the supernatant. The model estimated a metal concentration in both fractions of the sediment (separately) as well as an impact they had on the metal concentration in the supernatant. It also showed how changes in a metal’s concentration in both fractions are reflected in concentrations of metals in the aquatic environment. Full article

(This article belongs to the Special Issue Contaminants Occurrence, Transport and Reactivity in Aquatic Ecosystems and Utilities)

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Special Issue "Contaminants Occurrence, Transport and Reactivity in Aquatic Ecosystems and Utilities"

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