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Dependence of Selected Water Quality Parameters on Flow Rates in River Profiles in the Czech Republic

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 4, Issue 2, pp 127-140
DOI: http://dx.doi.org/10.13044/j.sdewes.2016.04.0011
Eduard Hanslík1 , Diana Marešová2, Eva Juranová2, Radek Vlnas1,2
1 Department of Radioecology, T. G. Masaryk Water Research Institute, Podbabská 2582/30, Prague, Czech Republic
2 Faculty of Science, Institute for Environmental Studies, Charles University, Ovocný trh 3-5, Prague, Czech Republic

The paper analyses dependence of water quality parameters on flow rates at several sites in the Vltava River catchment in the Czech Republic. The presented results indicate that at the monitored sites, concentrations of nitrates, suspended solids and dissolved oxygen are in direct relation to flow rate. Temperature has an inverse relationship to flow rate. Other parameters show various relationships to flow rate at individual monitored sites or do not show any statistically significant relations.

Keywords: Water quality, Flow rate, Point pollution source, Nonpoint pollution source, Drought, Flood.

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