On the wet removal of gaseous and particulate sulfur and nitrogen species from the atmosphere

E. Mészáros, T. Szentimrei

Research output: Contribution to journalArticle

8 Citations (Scopus)


The role of trace gases and aerosol particles in the control of sulfur and nitrogen levels in atmospheric precipitation is estimated on the basis of the enrichment factor in the precipitation of these elements relative to particulate matter in the air. By using air and precipitation chemistry data obtained at a Hungarian background air pollution station (K-puszta) it is found that the fraction of ammonium, nitrate and sulfate in precipitation, due to the removal of particulate matter is at least 59, 27 and 31%, respectively. The relationship between wet depositions and air concentrations of different species is determined statistically by applying daily data set. The regression equations obtained make the estimation of the sub-cloud scavenging ratios possible and they give some information on the magnitude of in-cloud scavenging processes. The results show that the in-cloud scavenging is a determining factor for precipitation sulfate, while it is relatively unimportant in the case of ammonium. The sub-cloud scavening of NO2 and SO2 is not too significant. However, for HNO3, and NH3 it is an effective process. The sub-cloud scavenging ratio of sulfur and nitrogen-containing particles varies around 0.25×106.

Original languageEnglish
Pages (from-to)405-413
Number of pages9
JournalJournal of Atmospheric Chemistry
Issue number4
Publication statusPublished - Apr 1 1985


  • Wet removal
  • in-cloud and sub-cloud scavenging
  • precipitation chemistry
  • sulfur and nitrogen species

ASJC Scopus subject areas

  • Environmental Chemistry
  • Atmospheric Science

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