Fossil- and bio-mass combustion: C-14 for source identification, chemical tracer development, and model validation

L. A. Currie, G. A. Klouda, D. B. Klinedinst, A. E. Sheffield, A. J T Jull, D. J. Donahue, M. V. Connolly

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Carbonaceous gases and aerosols emitted during fossil- and bio-mass combustion processes have significant impacts on regional health and visibility, and on global climate. 14C accelerator mass spectrometry (AMS) has become the accepted standard for quantitatively partitioning individual combustion products between fossil and biospheric sources. Increased demands for source apportionment of toxic gases/vapors such as carbon monoxide and benzene, and toxic aerosol species such as polycyclic aromatic hydrocarbons, however, have led to increased needs for chemical source tracers. As a result, the application of atmospheric 14C measurements has been extended to the discovery of new chemical tracers and the validation of the related apportionment models. These newer applications of 14C are illustrated by recent investigations of: 1) sources of excessive concentrations of carbon monoxide and benzene in the urban atmosphere during the winter, as related to combustion source control strategies; and 2) the development/validation of potassium and hydrocarbon tracer models for the apportionment of mutagenic aerosols from biomass (wood) burning and motor vehicle emissions. Among the important consequences of these studies are new insights into potential limitations of elemental tracer models for biomass burning, and the impact of bivariate (isotopic, mass) chemical blanks on atmospheric 14C-AMS data.

Original languageEnglish (US)
Pages (from-to)404-409
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume92
Issue number1-4
DOIs
StatePublished - Jun 3 1994

Fingerprint

fossils
biomass
tracers
Identification (control systems)
Biomass
Aerosols
aerosols
Poisons
Carbon Monoxide
Benzene
Carbon monoxide
carbon monoxide
Particle accelerators
Mass spectrometry
Biospherics
accelerators
mass spectroscopy
Gases
benzene
motor vehicles

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

Cite this

Fossil- and bio-mass combustion : C-14 for source identification, chemical tracer development, and model validation. / Currie, L. A.; Klouda, G. A.; Klinedinst, D. B.; Sheffield, A. E.; Jull, A. J T; Donahue, D. J.; Connolly, M. V.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 92, No. 1-4, 03.06.1994, p. 404-409.

Research output: Contribution to journalArticle

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