Measurement of the crystallization humidities of ambient aerosol particles

Martha A. Shaw, Mark J. Rood

Research output: Contribution to journalArticlepeer-review

Abstract

Atmospheric aerosols were sampled in Riverside, California, Grand Canyon, Arizona, and Mojave Desert, California, with controlled temperature-r.h. nephelometry. Ninety-one per cent of the detectable crystallization humidities for atmospheric aerosols were between 10 and 45% for all three sites. Minimum and maximum crystallization humidity data could be explained by the potential existence of external aerosol particle mixtures. These results were consistent at all three sampling sites despite the differences in aerosol particle population density and dominant air masses.

Original languageEnglish (US)
Pages (from-to)1837-1841
Number of pages5
JournalAtmospheric Environment Part A, General Topics
Volume24
Issue number7
DOIs
StatePublished - 1990

Keywords

  • Crystallization humidity
  • aerosol
  • deliquescence
  • hygroscopic

ASJC Scopus subject areas

  • Pollution

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