Articles | Volume 18, issue 9
https://doi.org/10.5194/acp-18-6585-2018
https://doi.org/10.5194/acp-18-6585-2018
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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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, https://doi.org/10.1016/j.foreco.2012.09.015, 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, https://doi.org/10.5694/mja16.00895, 2016. 
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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.
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