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Title: ANALYSIS OF THE COMPOSITION AND CONCENTRATION OF POLLUTANTS IN RAINWATER RUNOFF
ANALYSIS OF THE COMPOSITION AND CONCENTRATION OF POLLUTANTS IN RAINWATER RUNOFF

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Reka Wittmanova; Jaroslav Hrudka; Stefan Stanko; Ivona Skultetyova
10.5593/sgem2022/3.1/s12.06
10.5593/sgem2022/3.1
1314-2704
978-619-7603-42-2
English
22
3.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Hydrology and Water Resources
Due to the population increasing in urban settlements, the use of the territory and the surface variability of urban settlements are changing rapidly. The development of areas covered with impervious materials contributes to accelerating the runoff process, intensifying surface runoff concentration and the concentration of surface runoff pollution. Surface runoff from urban catchments can be characterized as the primary source of the receiving water's pollution during torrential rains. The aim of the paper is to obtain information about the quality of surface runoff from paved areas of roofs and roads in the urbanized area of the city of Trnava and about the of pollutants concentration by analyzing the quality parameters of the samples taken. Rainwater runoff sampling took place from 26 of November 2021 to 8 of April 2022. Ten samples were taken during the mentioned period. The number of samples is directly proportional to the current precipitation situation in the area. The aim was to capture the first flush due to the assumption of the highest pollution concentration in the initial phase of surface runoff formation. Due to low precipitation and insufficient surface runoff formation, the sampling was irregular. The analyzed qualitative parameters are pH, electrical conductivity, chemical oxygen demand, and nitrogen oxides. By comparing the quality of samples and air quality on individual days, we can state that air quality partially affects the quality of samples taken. By comparing the air quality and the daily total precipitation on separate sampling days, we can conclude that pollutants accumulate in the air and on paved areas during a more extended rainy period. The following precipitation event washes away paved areas and cleans the air. The surface runoff then contains a higher concentration of pollutants than the runoff from the precipitation event after a short rainless or multi-day precipitation event.
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This work was supported by the Scientific Grant Agency of the Ministry of Education, Youth and Sports of the Slovak Republic and the Slovak Academy of Sciences within the project VEGA 1/0574/19 and 1/0727/20, co-funded by the Slovak Research and Development Agency under contract No. APVV-18-0203, and by the grant "Young researchers Grant by STU" under the Impact of climate change on urban drainage systems, which is financed from the central sources of the Technical University of Bratislava.
conference
https://doi.org/10.5593/sgem2022/3.1/s12.06
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
49-56
04 - 10 July, 2022
website
8525
runoff quality, surface runoff, stormwater