Evidence of the rôle of indirect photochemical processes in the formation of atmospheric sulphate particulate

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Abstract

The mass concentration of atmospheric sulphate particles was determined during daylight for relatively short time intervals. Characteristics of atmospheric aerosols and trace gases and some meteorological parameters were measured simultaneously. It was found that in summertime the sulphate concentration, and the logarithm of the mole ratio of sulphate to sulphur dioxide, correlated well with the intensity of solar radiation in wavelengths 0·29-0·50 μm and with the temperature. It is expected, on the basis of these results, that sulphate particle formation is activated by some primary photochemical reaction followed by secondary thermal processes.

Original languageEnglish
Pages (from-to)429-434
Number of pages6
JournalJournal of Aerosol Science
Volume4
Issue number6
DOIs
Publication statusPublished - 1973

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Sulfates
sulfate
Atmospheric aerosols
Sulfur Dioxide
Photochemical reactions
Sulfur dioxide
trace gas
Solar radiation
sulfur dioxide
solar radiation
Gases
aerosol
wavelength
Wavelength
temperature
Temperature
particle

ASJC Scopus subject areas

  • Atmospheric Science
  • Environmental Science(all)

Cite this

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title = "Evidence of the r{\^o}le of indirect photochemical processes in the formation of atmospheric sulphate particulate",
abstract = "The mass concentration of atmospheric sulphate particles was determined during daylight for relatively short time intervals. Characteristics of atmospheric aerosols and trace gases and some meteorological parameters were measured simultaneously. It was found that in summertime the sulphate concentration, and the logarithm of the mole ratio of sulphate to sulphur dioxide, correlated well with the intensity of solar radiation in wavelengths 0·29-0·50 μm and with the temperature. It is expected, on the basis of these results, that sulphate particle formation is activated by some primary photochemical reaction followed by secondary thermal processes.",
author = "E. M{\'e}sz{\'a}ros",
year = "1973",
doi = "10.1016/0021-8502(73)90134-1",
language = "English",
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journal = "Journal of Aerosol Science",
issn = "0021-8502",
publisher = "Elsevier Limited",
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T1 - Evidence of the rôle of indirect photochemical processes in the formation of atmospheric sulphate particulate

AU - Mészáros, E.

PY - 1973

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N2 - The mass concentration of atmospheric sulphate particles was determined during daylight for relatively short time intervals. Characteristics of atmospheric aerosols and trace gases and some meteorological parameters were measured simultaneously. It was found that in summertime the sulphate concentration, and the logarithm of the mole ratio of sulphate to sulphur dioxide, correlated well with the intensity of solar radiation in wavelengths 0·29-0·50 μm and with the temperature. It is expected, on the basis of these results, that sulphate particle formation is activated by some primary photochemical reaction followed by secondary thermal processes.

AB - The mass concentration of atmospheric sulphate particles was determined during daylight for relatively short time intervals. Characteristics of atmospheric aerosols and trace gases and some meteorological parameters were measured simultaneously. It was found that in summertime the sulphate concentration, and the logarithm of the mole ratio of sulphate to sulphur dioxide, correlated well with the intensity of solar radiation in wavelengths 0·29-0·50 μm and with the temperature. It is expected, on the basis of these results, that sulphate particle formation is activated by some primary photochemical reaction followed by secondary thermal processes.

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