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Linking elevated rainfall with sewage discharge volume Cover

Figures & Tables

Figure 1.

Daily sewage outflows from the WWTP and daily rainfalls in the period 2018–2023
Daily sewage outflows from the WWTP and daily rainfalls in the period 2018–2023

Figure 2.

Average daily sewage outflows from the WWTP and average daily rainfalls in particular years of the period 2019–2022
Average daily sewage outflows from the WWTP and average daily rainfalls in particular years of the period 2019–2022

Figure 3.

Frequency of daily sewage outflows at specific magnitudes from the WWTP in the period 2018–2023
Frequency of daily sewage outflows at specific magnitudes from the WWTP in the period 2018–2023

Figure 4.

Average daily sewage outflows from the WWTP and average daily rainfalls in specific months during the period 2018–2023
Average daily sewage outflows from the WWTP and average daily rainfalls in specific months during the period 2018–2023

Figure 5.

Frequency of daily sewage outflows at specific magnitudes from the WWTP in specific months during the period 2018–2023
Frequency of daily sewage outflows at specific magnitudes from the WWTP in specific months during the period 2018–2023

Figure 6.

Dependence between daily rainfalls and daily sewage outflows from the WWTP in the period 2018–2023
Dependence between daily rainfalls and daily sewage outflows from the WWTP in the period 2018–2023

Figure 7.

Dependence of daily sewage outflows from the WWTP on rainfall intensities
Dependence of daily sewage outflows from the WWTP on rainfall intensities

Descriptive statistics for daily sewage outflows in particular years during the period 2019–2022

ParameterYear
2019202020212022
Min[m3/d]2,5203,8207,6305,760
Max43,15032,97050,44031,590
Avg13,96911,71612,25012,438
S4,7834,6264,5203,572
CV[−]0.340.390.370.29

Descriptive statistics for daily sewage outflows in particular months of the period 2018–2023

ParameterMonth
IIIIIIIVVVIVIIVIIIIXXXIXII
Min[m3/d]3,7502,5203,5506,4706,8707,0104,2405,8706,0507,0506,6003,540
Max35,26032,97018,43031,09043,15030,32028,37050,44035,43031,35026,67031,590
Avg13,54614,85611,63111,89014,63512,52512,54312,18512,60312,18410,65811,505
S4,5914,2322,3323,7255,7684,2634,3435,4034,9254,0472,9164,318
CV[−]0.340.280.200.310.390.340.350.440.390.330.270.38
DOI: https://doi.org/10.2478/oszn-2023-0020 | Journal eISSN: 2353-8589 | Journal ISSN: 1230-7831
Language: English
Page range: 135 - 146
Published on: Dec 31, 2023
Published by: National Research Institute, Institute of Environmental Protection
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2023 Wiktor Halecki, Anna Młyńska, Tomasz Sionkowski, Krzysztof Chmielowski, published by National Research Institute, Institute of Environmental Protection
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.