Articles | Volume 18, issue 9
Research article
08 May 2018
Research article |  | 08 May 2018

Meteorological controls on atmospheric particulate pollution during hazard reduction burns

Giovanni Di Virgilio, Melissa Anne Hart, and Ningbo Jiang

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Subject: Dynamics | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

ABS – Australian Bureau of Statistics: Population Projections, Australia, 2012 to 2101, Government of Australia, Canberra, 2013. 
ABS – Australian Bureau of Statistics: Regional population growth, Australia, 2014–15: estimated resident population – greater capital city statistical areas, Government of Australia, Canberra, 2016. 
Attiwill, P. M. and Adams, M. A.: Mega-fires, inquiries and politics in the eucalypt forests of Victoria, south-eastern Australia, Forest Ecol. Manag., 294, 45–53,, 2013. 
Bradstock, R., Penman, T., Boer, M., Price, O., and Clarke, H.: Divergent responses of fire to recent warming and drying across south-eastern Australia, Glob. Change Biol., 20, 1412–1428, 10.1111/gcb.12449, 2014. 
Broome, R. A., Johnstone, F. H., Horsley, J., and Morgan, G. G.: A rapid assessment of the impact of hazard reduction burning around Sydney, May 2016, Med. J. Aust., 205, 407–408,, 2016. 
Short summary
Hazard reduction burns (HRBs) may prevent wildfires, but both generate PM2.5 air pollution. We identify the meteorological factors linked to high PM2.5 pollution & assess how they differ between HRB days with low vs. high PM2.5. Boundary layer, cloud cover, temperature & wind speed strongly influence PM2.5, with these factors being more variable & higher in magnitude during mornings & evenings of HRB days when PM2.5 remains low, indicating how HRB timing can be altered to reduce air pollution.
Final-revised paper