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Title: Regional Similarities and NO x-Related Increases in Biogenic Secondary Organic Aerosol in Summertime Southeastern United States

Abstract

During the 2013 Southern Oxidant and Aerosol Study, Fourier transform infrared spectroscopy (FTIR) and aerosol mass spectrometer (AMS) measurements of submicron mass were collected at Look Rock (LRK), Tennessee, and Centreville (CTR), Alabama. Carbon monoxide and submicron sulfate and organic mass concentrations were 15–60% higher at CTR than at LRK, but their time series had moderate correlations (r ~ 0.5). However, NO x had no correlation (r = 0.08) between the two sites with nighttime-to-early-morning peaks 3–10 times higher at CTR than at LRK. Organic mass (OM) sources identified by FTIR Positive Matrix Factorization (PMF) had three very similar factors at both sites: fossil fuel combustion-related organic aerosols, mixed organic aerosols, and biogenic organic aerosols (BOA). The BOA spectrum from FTIR is similar (cosine similarity > 0.6) to that of lab-generated particle mass from the photochemical oxidation of both isoprene and monoterpenes under high NO x conditions from chamber experiments. The BOA mass fraction was highest during the night at CTR but in the afternoon at LRK.AMS PMF resulted in two similar pairs of factors at both sites and a third nighttime NO x-related factor (33% of OM) at CTR but a daytime nitrate-related factor (28% of OM) at LRK.more » NO x was correlated with BOA and LO-OOA for NO x concentrations higher than 1 ppb at both sites, producing 0.5 ± 0.1 μg/m 3 for CTR-LO-OOA and 1.0 ± 0.3 μg/m 3 for CTR-BOA additional biogenic OM for each 1 ppb increase of NO x.« less

Authors:
ORCiD logo [1]; ORCiD logo [1];  [2]; ORCiD logo [2]; ORCiD logo [3];  [3]; ORCiD logo [4];  [4];  [5]; ORCiD logo [6]; ORCiD logo [7];  [8]; ORCiD logo [9];  [6]; ORCiD logo [10]
  1. Univ. of California, San Diego, CA (United States). Scripps Inst. of Oceanography
  2. Federal Inst. of Technology, Lausanne (Switzerland)
  3. Univ. of Colorado, Boulder, CO (United States)
  4. U.S. Environmental Protection Agency, Research Triangle Park, NC (United States). National Exposure Research Laboratory
  5. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  6. Georgia Inst. of Technology, Atlanta, GA (United States)
  7. Harvard Univ., Cambridge, MA (United States)
  8. Nanyang Technological Univ. (Singapore)
  9. Univ. of Wisconsin, Madison, WI (United States)
  10. Univ. of North Carolina, Chapel Hill, NC (United States)
Publication Date:
Research Org.:
Univ. of California, San Diego, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1539758
Alternate Identifier(s):
OSTI ID: 1472149
Grant/Contract Number:  
[SC0006431]
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Geophysical Research: Atmospheres
Additional Journal Information:
[ Journal Volume: 123; Journal Issue: 18]; Journal ID: ISSN 2169-897X
Publisher:
American Geophysical Union
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; Meteorology & Atmospheric Sciences

Citation Formats

Liu, Jun, Russell, Lynn M., Ruggeri, Giulia, Takahama, Satoshi, Claflin, Megan S., Ziemann, Paul J., Pye, Havala O. T., Murphy, Benjamin N., Xu, Lu, Ng, Nga L., McKinney, Karena A., Budisulistiorini, Sri Hapsari, Bertram, Timothy H., Nenes, Athanasios, and Surratt, Jason D. Regional Similarities and NOx-Related Increases in Biogenic Secondary Organic Aerosol in Summertime Southeastern United States. United States: N. p., 2018. Web. doi:10.1029/2018jd028491.
Liu, Jun, Russell, Lynn M., Ruggeri, Giulia, Takahama, Satoshi, Claflin, Megan S., Ziemann, Paul J., Pye, Havala O. T., Murphy, Benjamin N., Xu, Lu, Ng, Nga L., McKinney, Karena A., Budisulistiorini, Sri Hapsari, Bertram, Timothy H., Nenes, Athanasios, & Surratt, Jason D. Regional Similarities and NOx-Related Increases in Biogenic Secondary Organic Aerosol in Summertime Southeastern United States. United States. doi:10.1029/2018jd028491.
Liu, Jun, Russell, Lynn M., Ruggeri, Giulia, Takahama, Satoshi, Claflin, Megan S., Ziemann, Paul J., Pye, Havala O. T., Murphy, Benjamin N., Xu, Lu, Ng, Nga L., McKinney, Karena A., Budisulistiorini, Sri Hapsari, Bertram, Timothy H., Nenes, Athanasios, and Surratt, Jason D. Sat . "Regional Similarities and NOx-Related Increases in Biogenic Secondary Organic Aerosol in Summertime Southeastern United States". United States. doi:10.1029/2018jd028491. https://www.osti.gov/servlets/purl/1539758.
@article{osti_1539758,
title = {Regional Similarities and NOx-Related Increases in Biogenic Secondary Organic Aerosol in Summertime Southeastern United States},
author = {Liu, Jun and Russell, Lynn M. and Ruggeri, Giulia and Takahama, Satoshi and Claflin, Megan S. and Ziemann, Paul J. and Pye, Havala O. T. and Murphy, Benjamin N. and Xu, Lu and Ng, Nga L. and McKinney, Karena A. and Budisulistiorini, Sri Hapsari and Bertram, Timothy H. and Nenes, Athanasios and Surratt, Jason D.},
abstractNote = {During the 2013 Southern Oxidant and Aerosol Study, Fourier transform infrared spectroscopy (FTIR) and aerosol mass spectrometer (AMS) measurements of submicron mass were collected at Look Rock (LRK), Tennessee, and Centreville (CTR), Alabama. Carbon monoxide and submicron sulfate and organic mass concentrations were 15–60% higher at CTR than at LRK, but their time series had moderate correlations (r ~ 0.5). However, NOx had no correlation (r = 0.08) between the two sites with nighttime-to-early-morning peaks 3–10 times higher at CTR than at LRK. Organic mass (OM) sources identified by FTIR Positive Matrix Factorization (PMF) had three very similar factors at both sites: fossil fuel combustion-related organic aerosols, mixed organic aerosols, and biogenic organic aerosols (BOA). The BOA spectrum from FTIR is similar (cosine similarity > 0.6) to that of lab-generated particle mass from the photochemical oxidation of both isoprene and monoterpenes under high NOx conditions from chamber experiments. The BOA mass fraction was highest during the night at CTR but in the afternoon at LRK.AMS PMF resulted in two similar pairs of factors at both sites and a third nighttime NOx-related factor (33% of OM) at CTR but a daytime nitrate-related factor (28% of OM) at LRK. NOx was correlated with BOA and LO-OOA for NOx concentrations higher than 1 ppb at both sites, producing 0.5 ± 0.1 μg/m3 for CTR-LO-OOA and 1.0 ± 0.3 μg/m3 for CTR-BOA additional biogenic OM for each 1 ppb increase of NOx.},
doi = {10.1029/2018jd028491},
journal = {Journal of Geophysical Research: Atmospheres},
number = [18],
volume = [123],
place = {United States},
year = {2018},
month = {8}
}

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  • Xu, Lu; Middlebrook, Ann M.; Liao, Jin
  • Journal of Geophysical Research: Atmospheres, Vol. 121, Issue 18
  • DOI: 10.1002/2016JD025156

Submicron particle mass concentrations and sources in the Amazonian wet season (AMAZE-08)
journal, January 2015

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The North Atlantic Subtropical Anticyclone
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Estimates of global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and Aerosols from Nature)
journal, January 2006

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Ozone precursor levels and responses to emissions reductions: Analysis of regional oxidant model results
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