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Scientific Review. Geographical Sciences

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THE CONCENTRATIONS OF COPPER AND ZINC IN WATER, SEDIMENTS AND COAST SOILS OF VOLGOGRAD RESERVOIR NEAR VOLZHSKY

Новиков В.В., Пучков М.Ю., Зволинский В.П., Локтионова Е.Г.
In the paper we study the distribution of the different forms of copper and zinc in water, sediments and soils of the coastal zone of the Volgograd reservoir near the Volzhskiy city. The comparative analysis of two different points on the hydrological conditions of the study: the Osadniy Gulf and the open part of the reservoir near the village Krasnooktjabrskiy. The content of the gross form of copper decreased in the direction «soil - to - pore water - water surface» for the both sampling points. However, the total content of copper in the soils of the coastal slope was even higher than in the sediments (35% of the content in the soils). The mobile form of copper in the UP was much higher than in the soil. When we compared to the soil and we can be noted that if the total and soluble forms of copper accumulated mainly in the soils, in the sediments dominated the mobile form. The content of water-soluble form of copper in the soils of both points was no different, and in the bottom sediments of the Osadniy Gulf is accumulated. The content of the gross forms of zinc decreased in the direction of «soil - to - surface water» for the both sampling points. The concentrations of water-soluble and mobile forms of zinc to the Osadniy Gulf were much higher than in the soils, indicating that the contaminated sediment zinc compounds.