Acta Scientiarum Polonorum
serie Formatio Circumiectus – Environmental Processes
RESEARCH PAPER
The impact of precipitation on the variability of wastewater discharge from the area of Połaniec agglomeration
1
Uniwersytet Rolniczy im. Hugona Kołłątaja w Krakowie
Submission date: 2021-11-15
Final revision date: 2021-12-06
Acceptance date: 2021-12-07
Publication date: 2022-01-05
Acta Sci. Pol. Formatio Circumiectus 2021;20(2):29–40
HIGHLIGHTS
- 1. Increasing trend of air temperature and lower precipitation amounts - warmer and drier years in 2016-2017 than in 2006-2015.
- 2.Over the years, the duration of precipitation decreases, its intensity increases and the number of days without precipitation and with precipitation up to 1 mm∙d-1.
- 3.Correlation analysis of precipitation and sewage outflow (p<0.001) showed an increase in outflow with increasing precipitation.
KEYWORDS
TOPICS
ABSTRACT
Aim of the study:
The aim of study was to determine the influence of precipitation on the variability of wastewater discharge from the wastewater treatment plant located in Łęg in Połaniec agglomeration.
Material and methods:
The conclusions were made on average daily outflows, basic descriptive statistics concerning the quantitative characteristics of the outflows from the treatment plant in Łęg were also determined. The precipitation data obtained from the meteorological station in Chorzelów, located 14.5 km from the treatment plant in Łęg, was used to determine the average daily sums of atmospheric precipitation and the number of days with precipitation. The data on the daily precipitation was grouped according to the size and then compared with the average daily sewage outflows from the treatment plant.
Results and conclusions:
The statistical analysis showed a significant influence of precipitation on the increased outflow of sewage from the treatment plant. Over the years there has been an upward trend in air temperature and smaller amounts of precipitation which means warmer and drier summers.
The aim of study was to determine the influence of precipitation on the variability of wastewater discharge from the wastewater treatment plant located in Łęg in Połaniec agglomeration.
Material and methods:
The conclusions were made on average daily outflows, basic descriptive statistics concerning the quantitative characteristics of the outflows from the treatment plant in Łęg were also determined. The precipitation data obtained from the meteorological station in Chorzelów, located 14.5 km from the treatment plant in Łęg, was used to determine the average daily sums of atmospheric precipitation and the number of days with precipitation. The data on the daily precipitation was grouped according to the size and then compared with the average daily sewage outflows from the treatment plant.
Results and conclusions:
The statistical analysis showed a significant influence of precipitation on the increased outflow of sewage from the treatment plant. Over the years there has been an upward trend in air temperature and smaller amounts of precipitation which means warmer and drier summers.
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