Articles | Volume 19, issue 15
https://doi.org/10.5194/acp-19-9715-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-9715-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
01 Aug 2019
Research article |
| 01 Aug 2019
| 01 Aug 2019
Secondary organic aerosol formation from α-pinene, alkanes, and oil-sands-related precursors in a new oxidation flow reactor
Air Quality Research Division, Environment and Climate Change Canada,
Toronto, Ontario M3H 5T4, Canada
John Liggio
CORRESPONDING AUTHOR
Air Quality Research Division, Environment and Climate Change Canada,
Toronto, Ontario M3H 5T4, Canada
Patrick Lee
Air Quality Research Division, Environment and Climate Change Canada,
Toronto, Ontario M3H 5T4, Canada
Chong Han
Air Quality Research Division, Environment and Climate Change Canada,
Toronto, Ontario M3H 5T4, Canada
Qifan Liu
Air Quality Research Division, Environment and Climate Change Canada,
Toronto, Ontario M3H 5T4, Canada
Shao-Meng Li
Air Quality Research Division, Environment and Climate Change Canada,
Toronto, Ontario M3H 5T4, Canada
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Short summary
Short summary
Satellite-derived NOx emissions from biomass burning are estimated with TROPOMI observations. Two common emission estimation methods are applied, and sensitivity tests with model output were performed to determine the accuracy of these methods. The effect of smoke aerosols on TROPOMI NO2 columns is estimated and compared to aircraft observations from four different aircraft campaigns measuring biomass burning plumes in 2018 and 2019 in North America.
Sepehr Fathi, Mark Gordon, Paul A. Makar, Ayodeji Akingunola, Andrea Darlington, John Liggio, Katherine Hayden, and Shao-Meng Li
Atmos. Chem. Phys., 21, 15461–15491, https://doi.org/10.5194/acp-21-15461-2021, https://doi.org/10.5194/acp-21-15461-2021, 2021
Short summary
Short summary
We have investigated the accuracy of aircraft-based mass balance methodologies through computer model simulations of the atmosphere and air quality at a regional high-resolution scale. We have defined new quantitative metrics to reduce emission retrieval uncertainty by evaluating top-down mass balance estimates against the known simulated meteorology and input emissions. We also recommend methodologies and flight strategies for improved retrievals in future aircraft-based studies.
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Natl. Acad. Sci. USA, 111,
5802–5807, 2014.
Short summary
A new oxidation flow reactor was developed and applied to study the secondary organic aerosol (SOA) formation from precursors associated with oil-sands (OS) operations. The results reveal that the SOA yields from OS precursors are related to the volatilities of precursors and that open-pit mining is the main source of SOA formed from oil sands. In addition, cyclic alkanes are found to play an important role in SOA formation from oil-sands precursors.
A new oxidation flow reactor was developed and applied to study the secondary organic aerosol...
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