Temporal Patterns Of Quality Surface Water Changes
JOURNAL OF ECOLOGICAL ENGINEERING(2021)
Abstract
The dynamics of hydrochemical parameters of surface waters from the upper, middle and lower reaches of the river was analyzed. On the basis of the analysis of temporal and spatial monitoring data, a comprehensive assessment of the environmental status of the Inhulets river (Ukraine) waters by hydrochemical indicators was carried out. The study performed a comparative analysis of the river water quality assessment using different methods: an integrated assessment based on the calculation of water pollution indexes, pollution rate. A result of the evaluation of water quality in certain classes: in terms of ammonium ions and BOD5 - III quality class, the water is slightly polluted; phosphate content - V quality class, water is very low in the bottom; according to the content of suspended solids, in phosphates and BOD5 - III class of water quality, water is polluted; by a concentration of chlorides - V class of quality, degree of purity - very dirty; the value of suspended solids and chlorides - III class; in terms of the sulfate content - IV class. In general, the very excessive concentration of substances in the middle course remains stable, the environmental state is poor (quality class IV).
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Key words
surface water quality, water security, hydrochemical indicators, level of pollution, resistance degree of pollution, Inhulets river
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