Tine Bases Of Particulate Sulfate Aed Nitrate In The Atmosphere—A Review

Jana B. Milford, Cliff I. Davidson

Research output: Contribution to journalArticle

87 Scopus citations

Abstract

Size distributions for airborne mass of sulfate reported in the literature show a submicron peak for nearly all the locations at which data were obtained. Data from continental sites have mass median aerodynamic diameters (MMD) averaging 0.52/µm. Data from marine sites show appreciable sulfate on supermicron as well as submicron particles, with an average MMD of 2.3/µm. When used in dry deposition models, the size distribution data for continental areas yield average deposition velocities of 0.1-0.2 cm s-1 for vegetation, snow and water. The size data for marine areas yield average deposition velocities of 0.5-0.6 cm s-1 for water. In contrast to the data for sulfate, the quality of the size distribution data which have been reported for aerosol nitrate is uncertain due to potential sampling interferences.

Original languageEnglish (US)
Pages (from-to)125-134
Number of pages10
JournalJournal of the Air Pollution Control Association
Volume37
Issue number2
DOIs
StatePublished - Feb 1987
Externally publishedYes

ASJC Scopus subject areas

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

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