Variation of Carboneceous Atmospheric Aerosol Near St. Petersburg

S. S. Vlasenko, K. A. Volkova, D. V. Ionov, T. I. Ryshkevich, O. A. Ivanova, E. F. Mikhailov

Результат исследований: Научные публикации в периодических изданияхстатьярецензирование

1 Цитирования (Scopus)

Аннотация

The results of 5-year (2013-2017) measurements of organic (OC) and elemental (EC) carbon aerosol fractions observed at the atmospheric monitoring station near St. Petersburg (Petergof, 59.88 degrees N, 29.83 degrees E) are presented. It is shown that the site of observations is under the influence of local pollution sources most of the time (similar to 74%). The median values of carbonaceous aerosol in polluted conditions are 0.46 mu g/m(3) for EC and 2.62 mu g/m(3) for OC. On average, the maximum excess of the EC background level is achieved in winter (2.4 times in January). The analysis of the ratio between the OC and the EC in the total carbon indicates the predominantly anthropogenic origin of the aerosol under study. In comparison with the data of similar measurements in Central Siberia, the background summer concentrations of carbonaceous aerosol in Peterhof are significantly lower. Some episodes of increased concentrations of OC and EC are attributed to the intensive accumulation of air pollution coming from the nearby megalopolis.

Язык оригиналаАнглийский
Страницы (с-по)619-627
Число страниц9
ЖурналIzvestiya - Atmospheric and Ocean Physics
Том55
Номер выпуска6
DOI
СостояниеОпубликовано - ноя 2019

Предметные области Scopus

  • Океанография
  • Наука об атмосфере

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