Evolution of particle number distribution near roadways. Part III

Traffic analysis and on-road size resolved particulate emission factors

K. Max Zhang, Anthony S. Wexler, Debbie A. Niemeier, Fang Zhu Yi, William C. Hinds, Constantinos Sioutas

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

On-road size-resolved particulate emission factors were computed using concurrently measured carbon monoxide (CO) as a freeway dilution indicator and correlating roadside particle measurements to CO measurements. The emission factors derived for the total particle number agree well with previous on-road investigations. However, this study extends this analysis to produce unique receptor-dependent, size-resolved, road and grid-level emission factor distributions. Both mileage- and fuel-based particle number and mass emission factors at road and grid levels, along with CO emission factors, are presented and the results from freeways with distinctly different percentages of heavy-duty diesel truck traffic are compared. The effects of plume processing on particle number near roadways are shown to be much more profound than on particle mass, further indicting that the adverse health effects observed near roadways are at least partially related to particle numbers.

Original languageEnglish (US)
Pages (from-to)4155-4166
Number of pages12
JournalAtmospheric Environment
Volume39
Issue number22
DOIs
StatePublished - Jul 2005

Fingerprint

Particulate emissions
Carbon monoxide
Highway systems
road
carbon monoxide
Roadsides
motorway
Trucks
Dilution
Health
Processing
diesel
distribution
analysis
emission factor
particle
traffic
dilution
plume

Keywords

  • Aerosol
  • Carbon monoxide
  • Mobile emissions
  • Traffic
  • Transportation
  • Ultrafine particles

ASJC Scopus subject areas

  • Atmospheric Science
  • Environmental Science(all)
  • Pollution

Cite this

Evolution of particle number distribution near roadways. Part III : Traffic analysis and on-road size resolved particulate emission factors. / Zhang, K. Max; Wexler, Anthony S.; Niemeier, Debbie A.; Yi, Fang Zhu; Hinds, William C.; Sioutas, Constantinos.

In: Atmospheric Environment, Vol. 39, No. 22, 07.2005, p. 4155-4166.

Research output: Contribution to journalArticle

Zhang, K. Max ; Wexler, Anthony S. ; Niemeier, Debbie A. ; Yi, Fang Zhu ; Hinds, William C. ; Sioutas, Constantinos. / Evolution of particle number distribution near roadways. Part III : Traffic analysis and on-road size resolved particulate emission factors. In: Atmospheric Environment. 2005 ; Vol. 39, No. 22. pp. 4155-4166.
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