Primary organic pollutants in New Zealand urban aerosol in winter during high PM10 episodes

Z. Krivácsy, M. Blazso, David Shooter

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

In the two biggest New Zealand cities, Auckland and Christchurch, the mass concentration of the PM10 atmospheric aerosol can exceed the 50 μg m-3 24 h health guideline in winter. This high pollution level is thought to be caused mainly by old-fashioned domestic heating systems based on wood combustion. Therefore the chemistry of the carbonaceous aerosol has been investigated in several high-pollution level urban situations in order to assess the origin of the pollution. All the high concentration organic tracers, including levoglucosan and dehydroabietic acid, were characteristic for biomass burning. The findings have confirmed via advanced chemical analytical methods that domestic heating can be the main contributor to the high level of wintertime pollution, especially in Christchurch. The results are of great importance in supporting the ambition of authorities and environmental associations to change the domestic heating regimes.

Original languageEnglish
Pages (from-to)195-205
Number of pages11
JournalEnvironmental Pollution
Volume139
Issue number2
DOIs
Publication statusPublished - Jan 2006

Fingerprint

Organic pollutants
Aerosols
New Zealand
organic pollutant
Heating
Pollution
aerosol
pollution
winter
heating
Atmospheric aerosols
Biomass
biomass burning
Guidelines
analytical method
Wood
combustion
tracer
Health
Acids

Keywords

  • Biomass burning
  • Carbon balance
  • Organic tracers
  • PM urban aerosol

ASJC Scopus subject areas

  • Environmental Chemistry
  • Environmental Science(all)
  • Pollution

Cite this

Primary organic pollutants in New Zealand urban aerosol in winter during high PM10 episodes. / Krivácsy, Z.; Blazso, M.; Shooter, David.

In: Environmental Pollution, Vol. 139, No. 2, 01.2006, p. 195-205.

Research output: Contribution to journalArticle

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