Ionic Composition of Winter Atmospheric Precipitation in the Urban Area (South of West Siberia, Russia)
2023
Noskova, Tatiana | Lovtskaya, Olga | Panina, Maria | Ovcharenko, Elena | Papina, Tatyana
The work evaluates the urban snow cover pollution and determines the level of the city influence on the pollution of the urban atmosphere with major ions (ammonium, nitrite, nitrate, chloride, sulfate, phosphate, sodium, potassium, magnesium, calcium) during the winter period (on the case study of Barnaul city, 2014-2019). The priority ions that determine the high pollution of the urban atmosphere in winter are (nitrite, chloride, sodium), the sources of which are the exhaust of motor vehicles (nitrite) and the using of anti-ice reagents (chloride, sodium). The study showed an increase of the major ions in the urban snow cover (with the exception of nitrate ion) by more than two times compared with the regional and more than six times with the global natural background. To study the spatial features of the snow cover pollution interpolation surfaces of the spatial distribution of priority ions in the study area were constructed.
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