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Monitoring jakosti vody vybraného toku
 Zálešák, Petr
The bachelor thesis focuses on the evaluation of water quality in the Velička River. The Velička is located in the Hodonín district in southern Moravia. Its total length is 40.2 km. Its source is on the western slope of Velká Javořina and flows into the Morava River near Strážnice. The water flow was monitored in eight profiles at two-month intervals for one year. The monitoring had two phases. The first phase consisted of taking a water sample and measuring some of the water quality parameters in the field using an instrument kit from Hach Company. These were indicators of pH, conductivity, oxygen content, and water temperature. The second phase was carried out in a laboratory by measuring the quality parameters from the water samples using a spectrophotometer. The concentrations of total phosphorus, sulphates, nitrate nitrogen, and chlorides were monitored. The quality of the water in the river was evaluated according to the ČSN 75 7221 standard and government regulation No. 401/2015 Coll. Total phosphorus was evaluated as the most unfavorable qualitative parameter.
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