НАУКОВІ ОСНОВИ КОНТРОЛЮ СТАНУ ДОННИХ ВІДКЛАДЕНЬ ЯК ІНДИКАТОРА РІВНЯ ЕКОЛОГІЧНОЇ НЕБЕЗПЕКИ ГІДРОЕКОСИСТЕМ.

The work proposes a method of monitoring the condition of surface water bodies that were subject to the influence of aviation industry enterprises, by studying the contamination of bottom sediments. Using the example of petroleum hydrocarbons - specific pollutants of aviation enterprises, the author proved that bottom sediments are an integral indicator of the level of man-made pollution, an indicator of the ecological safety level of hydroecosystems. The calculated coefficients of bottom accumulation indicate the progressive pollution of the reservoir and the accumulation of the main mass of pollutants in the bottom sediments. The results of studies of the small river, that flows along the airline, show that the bottom sediments belong to the category of “extremely polluted”. The structural and functional properties of bottom sediments enable us to state that, on the one hand, they contribute to the process of self-purification of the water environment by accumulating oil products, but on the other hand, bottom sediments represent a danger to the water column secondary pollution, since when physical and chemical conditions change, pollutants from the bottom sediments can pass into the water masses of the reservoir. [ABSTRACT FROM AUTHOR]