Aerosol chemical composition and light scattering in Portland, Oregon: The role of carbon

Jitendra J. Shah, John G. Watson, John A. Cooper, James J. Huntzicker

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

Measurements of light scattering and the chemical composition of the fine aerosol from the Portland (Oregon) Aerosol Characterization Study (PACS) of 1977-1978 are reported. Scattering coefficients for sulfate, nitrate, carbonaceous aerosol and residual mass were determined by stepwise multiple linear regression. Unlike other cities the scattering efficiencies for sulfate, nitrate and carbonaceous aerosol were approximately the same. Carbonaceous aerosol was found to account for about 50% of both the fine aerosol mass and the light scattering.

Original languageEnglish (US)
Pages (from-to)235-240
Number of pages6
JournalAtmospheric Environment (1967)
Volume18
Issue number1
DOIs
StatePublished - 1984

ASJC Scopus subject areas

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

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