Concentration and dry deposition of atmospheric sulfur and nitrogen compounds in Hungary

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Abstract

The level of regional air pollution is regularly monitored at three stations in Hungary. The comparison of regional concentrations of SO2 and NO2 to those measured in Budapest shows that urban level concentration of SO2 is ten times higher than the value for background conditions. The corresponding figure for NO2 is five. An increase eastwards across the country can be observed for NO2 and SO2, while particulate sulphate, nitrate and ammonium have practically identical concentrations. The concentration of gaseous ammonia has a summer maximum, while the annual variation of particulate ammonium suggests a winter maximum. The ratio of the level of nitric acid to aerosol nitrate is higher than unity in summer, while in winter it is less than 1. The dry deposition of sulfur and oxidized nitrogen compounds is comparable to their wet deposition. However, in the case of NHx (x = 3 or 4) the wet deposition exceeds the dry deposition by an order of magnitude.

Original languageEnglish
Pages (from-to)1725-1730
Number of pages6
JournalAtmospheric Environment (1967)
Volume18
Issue number9
DOIs
Publication statusPublished - 1984

Keywords

  • Concentration
  • Hungary
  • aerosols
  • dry deposition
  • trace gases

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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