Assessing the impact of anthropogenic pollution on isoprene-derived secondary organic aerosol formation in PM2.5 collected from the Birmingham, Alabama, ground site during the 2013 Southern Oxidant and Aerosol Study

Weruka Rattanavaraha; Kevin Chu; Sri Hapsari Budisulistiorini; Matthieu Riva; Ying-Hsuan Lin; Eric S Edgerton; Karsten Baumann; Stephanie L Shaw; Hongyu Guo; Laura King; Rodney J Weber; Miranda E Neff; Elizabeth A Stone; John H Offenberg; Zhenfa Zhang; Avram Gold; Jason D Surratt

doi:10.5194/acp-16-4897-2016

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Assessing the impact of anthropogenic pollution on isoprene-derived secondary organic aerosol formation in PM2.5 collected from the Birmingham, Alabama, ground site during the 2013 Southern Oxidant and Aerosol Study

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Assessing the impact of anthropogenic pollution on isoprene-derived secondary organic aerosol formation in PM2.5 collected from the Birmingham, Alabama, ground site during the 2013 Southern Oxidant and Aerosol Study

Weruka Rattanavaraha, Kevin Chu, Sri Hapsari Budisulistiorini, Matthieu Riva, Ying-Hsuan Lin, Eric S Edgerton, Karsten Baumann, Stephanie L Shaw, Hongyu Guo, Laura King, …

Atmospheric chemistry and physics, Vol.16(8), pp.4897-4914

2017

DOI: 10.5194/acp-16-4897-2016

PMCID: PMC6145830

PMID: 30245702

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Abstract

In the southeastern US, substantial emissions of isoprene from deciduous trees undergo atmospheric oxidation to form secondary organic aerosol (SOA) that contributes to fine particulate matter (PM 2.5 ). Laboratory studies have revealed that anthropogenic pollutants, such as sulfur dioxide (SO 2 ), oxides of nitrogen (NO x ), and aerosol acidity, can enhance SOA formation from the hydroxyl radical (OH)-initiated oxidation of isoprene; however, the mechanisms by which specific pollutants enhance isoprene SOA in ambient PM 2.5 remain unclear. As one aspect of an investigation to examine how anthropogenic pollutants influence isoprene-derived SOA formation, high-volume PM 2.5 filter samples were collected at the Birmingham, Alabama (BHM), ground site during the 2013 Southern Oxidant and Aerosol Study (SOAS). Sample extracts were analyzed by gas chromatography-electron ionization-mass spectrometry (GC/EI-MS) with prior trimethylsilylation and ultra performance liquid chromatography coupled to electrospray ionization high-resolution quadrupole time-of-flight mass spectrometry (UPLC/ESI-HR-QTOFMS) to identify known isoprene SOA tracers. Tracers quantified using both surrogate and authentic standards were compared with collocated gas- and particle-phase data as well as meteorological data provided by the Southeastern Aerosol Research and Characterization (SEARCH) network to assess the impact of anthropogenic pollution on isoprene-derived SOA formation. Results of this study reveal that isoprene-derived SOA tracers contribute a substantial mass fraction of organic matter (OM) (~ 7 to ~ 20 %). Isoprene-derived SOA tracers correlated with sulfate ( SO 4 2 − ) ( r 2 = 0.34, n = 117) but not with NO x . Moderate correlations between methacrylic acid epoxide and hydroxymethyl-methyl-α-lactone (together abbreviated MAE/HMML)-derived SOA tracers with nitrate radical production (P[NO 3 ]) ( r 2 = 0.57, n = 40) were observed during nighttime, suggesting a potential role of the NO 3 radical in forming this SOA type. However, the nighttime correlation of these tracers with nitrogen dioxide (NO 2 ) ( r 2 = 0.26, n = 40) was weaker. Ozone (O 3 ) correlated strongly with MAE/HMML-derived tracers ( r 2 = 0.72, n = 30) and moderately with 2-methyltetrols ( r 2 = 0.34, n = 15) during daytime only, suggesting that a fraction of SOA formation could occur from isoprene ozonolysis in urban areas. No correlation was observed between aerosol pH and isoprene-derived SOA. Lack of correlation between aerosol acidity and isoprene-derived SOA is consistent with the observation that acidity is not a limiting factor for isoprene SOA formation at the BHM site as aerosols were acidic enough to promote multiphase chemistry of isoprene-derived epoxides throughout the duration of the study. All in all, these results confirm previous studies suggesting that anthropogenic pollutants enhance isoprene-derived SOA formation.

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Title: Subtitle: Assessing the impact of anthropogenic pollution on isoprene-derived secondary organic aerosol formation in PM2.5 collected from the Birmingham, Alabama, ground site during the 2013 Southern Oxidant and Aerosol Study
Creators: Weruka Rattanavaraha - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Kevin Chu - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Sri Hapsari Budisulistiorini - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Matthieu Riva - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Ying-Hsuan Lin - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Eric S Edgerton - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Karsten Baumann - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Stephanie L Shaw - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Hongyu Guo - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Laura King - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Rodney J Weber - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Miranda E Neff - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Elizabeth A Stone - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
John H Offenberg - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Zhenfa Zhang - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Avram Gold - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Jason D Surratt - Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA Atmospheric Research & Analysis, Inc., Cary, NC, USA Electric Power Research Institute, Palo Alto, CA, USA Earth and Atmospheric Science, Georgia Institute of Technology, Atlanta, GA, USA Department of Chemistry, University of Iowa, Iowa City, IA, USA Human Exposure and Atmospheric Sciences Division, United States Environmental Protection Agency, Research Triangle Park, NC, USA now at: Earth Observatory of Singapore, Nanyang Technological University, Singapore now at: Michigan Society of Fellows, Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Resource Type: Journal article
Publication Details: Atmospheric chemistry and physics, Vol.16(8), pp.4897-4914
DOI: 10.5194/acp-16-4897-2016
PMID: 30245702
PMCID: PMC6145830
NLM abbreviation: Atmos Chem Phys
ISSN: 1680-7316
eISSN: 1680-7324
Grant note: DOI: 10.13039/100008421, name: Electric Power Research Institute, award: none
Language: English
Date published: 2017
Academic Unit: Chemistry; Chemical and Biochemical Engineering
Record Identifier: 9984216719402771

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