scholarly journals Spatial and seasonal variability in water quality of Devils Lake, North Dakota, September 1988 through October 1990

1995 ◽  
Keyword(s):  
Water Quality ◽  
North Dakota ◽  
Seasonal Variability ◽  
Devils Lake

ESTIMATION OF SEASONAL VARIABILITY OF WATER QUALITY IN A SURFACE SOURCE OF DRINKING WATER SUPPLY

2018 ◽  
Vol 8 (2) ◽  
pp. 20-26 ◽  
Author(s):  
Alexandra V. SELEZNEVA ◽  
Ksenia V. BESPALOVA ◽  
Vladimir A. SELEZNEV
Keyword(s):  
Water Quality ◽  
Water Supply ◽  
Seasonal Variability ◽  
Water Quality Monitoring ◽  
Limiting Factor ◽  
Surface Source ◽  
Organic Contamination ◽  
Quality Of Water ◽  
Mass Development

The results of water quality monitoring of the Saratov reservoir for the period 2000-2016 are presented. Observations were carried out monthly at a stationary station located in the lower tail of the Zhigulevskaya HPP. It is established that the quality of water in the source of water supply is characterized by signifi cant seasonal variability. During the mass development of algae the organic contamination of the reservoir increases and the concentration of nutrients decreases. Excessive content of organic substances in the summer low water complicates the technological processes of water purifi cation. It is concluded that phosphate is the limiting factor restraining the mass development of algae, the concentration of which in the peak of “fl owering” of water is reduced to almost zero.

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