Organic aerosol formation in urban and industrial plumes near Houston and Dallas, Texas

R. Bahreini, B. Ervens, A. M. Middlebrook, C. Warneke, J. A. De Gouw, P. F. DeCarlo, J. L. Jimenez, C. A. Brock, J. A. Neuman, T. B. Ryerson, H. Stark, Elliot L Atlas, J. Brioude, A. Fried, J. S. Holloway, J. Peischl, D. Richter, J. Walega, P. Weibring, A. G. WollnyF. C. Fehsenfeid

Research output: Contribution to journalArticle

143 Citations (Scopus)

Abstract

We present measurements of organic aerosol (OA) in urban plumes from Houston and Dallas/Fort Worth as well as in industrial plumes in the Houston area during TexAQS-2006. Consistent with the TexAQS-2000 study, measurements show greater amount of aerosol mass downwind of the industrial centers compared to urban areas. This is likely due to higher emission and processing of volatile organic compounds (VOCs) from the industrial sources along the Houston ship channel. Comparisons of the current measurements with observations from the northeastern (NE) United States indicate that the observed ratios of the enhancement above background in OA, △OA, to the enhancement above background in CO, △CO, downwind of urban centers of Houston and Dallas/Fort Worth are within a factor of 2 of the same values in plumes from urban areas in the NE United States. In the ship channel plumes, △OA/△CO exceeds that in the urban areas by factors ranging from 1.5 to 7. We use a chemical box model to simulate secondary organic aerosol. (SOA) formation from anthropogenic and biogenic VOCs in different plumes using recently reported dependencies of SOA yields on VOCZNOx ratios. Modeled SOA to CO enhancement ratios are within a factor of 2 of measurements. The increase in SOA from biogenic VOCs (BVOCs) predicted by the chemical box model as well as by a separate analysis using a Lagrangian particle dispersion model (FLEXPART) is <0.7 μg per standard m3 (sm-3). We find no evidence for a substantial influence of BVOCs on OA formation in our measurements in Houston area.

Original languageEnglish (US)
Article numberD00F16
JournalJournal of Geophysical Research C: Oceans
Volume114
Issue number16
DOIs
StatePublished - 2009
Externally publishedYes

Fingerprint

Houston (TX)
aerosol formation
Aerosols
plumes
aerosols
plume
aerosol
volatile organic compounds
Carbon Monoxide
volatile organic compound
Service oriented architecture (SOA)
Volatile Organic Compounds
urban area
ships
boxes
augmentation
Ships
Electric current measurement
Volatile organic compounds
Processing

ASJC Scopus subject areas

  • Atmospheric Science
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

Cite this

Bahreini, R., Ervens, B., Middlebrook, A. M., Warneke, C., De Gouw, J. A., DeCarlo, P. F., ... Fehsenfeid, F. C. (2009). Organic aerosol formation in urban and industrial plumes near Houston and Dallas, Texas. Journal of Geophysical Research C: Oceans, 114(16), [D00F16]. https://doi.org/10.1029/2008JD011493

Organic aerosol formation in urban and industrial plumes near Houston and Dallas, Texas. / Bahreini, R.; Ervens, B.; Middlebrook, A. M.; Warneke, C.; De Gouw, J. A.; DeCarlo, P. F.; Jimenez, J. L.; Brock, C. A.; Neuman, J. A.; Ryerson, T. B.; Stark, H.; Atlas, Elliot L; Brioude, J.; Fried, A.; Holloway, J. S.; Peischl, J.; Richter, D.; Walega, J.; Weibring, P.; Wollny, A. G.; Fehsenfeid, F. C.

In: Journal of Geophysical Research C: Oceans, Vol. 114, No. 16, D00F16, 2009.

Research output: Contribution to journalArticle

Bahreini, R, Ervens, B, Middlebrook, AM, Warneke, C, De Gouw, JA, DeCarlo, PF, Jimenez, JL, Brock, CA, Neuman, JA, Ryerson, TB, Stark, H, Atlas, EL, Brioude, J, Fried, A, Holloway, JS, Peischl, J, Richter, D, Walega, J, Weibring, P, Wollny, AG & Fehsenfeid, FC 2009, 'Organic aerosol formation in urban and industrial plumes near Houston and Dallas, Texas', Journal of Geophysical Research C: Oceans, vol. 114, no. 16, D00F16. https://doi.org/10.1029/2008JD011493
Bahreini, R. ; Ervens, B. ; Middlebrook, A. M. ; Warneke, C. ; De Gouw, J. A. ; DeCarlo, P. F. ; Jimenez, J. L. ; Brock, C. A. ; Neuman, J. A. ; Ryerson, T. B. ; Stark, H. ; Atlas, Elliot L ; Brioude, J. ; Fried, A. ; Holloway, J. S. ; Peischl, J. ; Richter, D. ; Walega, J. ; Weibring, P. ; Wollny, A. G. ; Fehsenfeid, F. C. / Organic aerosol formation in urban and industrial plumes near Houston and Dallas, Texas. In: Journal of Geophysical Research C: Oceans. 2009 ; Vol. 114, No. 16.
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abstract = "We present measurements of organic aerosol (OA) in urban plumes from Houston and Dallas/Fort Worth as well as in industrial plumes in the Houston area during TexAQS-2006. Consistent with the TexAQS-2000 study, measurements show greater amount of aerosol mass downwind of the industrial centers compared to urban areas. This is likely due to higher emission and processing of volatile organic compounds (VOCs) from the industrial sources along the Houston ship channel. Comparisons of the current measurements with observations from the northeastern (NE) United States indicate that the observed ratios of the enhancement above background in OA, △OA, to the enhancement above background in CO, △CO, downwind of urban centers of Houston and Dallas/Fort Worth are within a factor of 2 of the same values in plumes from urban areas in the NE United States. In the ship channel plumes, △OA/△CO exceeds that in the urban areas by factors ranging from 1.5 to 7. We use a chemical box model to simulate secondary organic aerosol. (SOA) formation from anthropogenic and biogenic VOCs in different plumes using recently reported dependencies of SOA yields on VOCZNOx ratios. Modeled SOA to CO enhancement ratios are within a factor of 2 of measurements. The increase in SOA from biogenic VOCs (BVOCs) predicted by the chemical box model as well as by a separate analysis using a Lagrangian particle dispersion model (FLEXPART) is <0.7 μg per standard m3 (sm-3). We find no evidence for a substantial influence of BVOCs on OA formation in our measurements in Houston area.",
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N2 - We present measurements of organic aerosol (OA) in urban plumes from Houston and Dallas/Fort Worth as well as in industrial plumes in the Houston area during TexAQS-2006. Consistent with the TexAQS-2000 study, measurements show greater amount of aerosol mass downwind of the industrial centers compared to urban areas. This is likely due to higher emission and processing of volatile organic compounds (VOCs) from the industrial sources along the Houston ship channel. Comparisons of the current measurements with observations from the northeastern (NE) United States indicate that the observed ratios of the enhancement above background in OA, △OA, to the enhancement above background in CO, △CO, downwind of urban centers of Houston and Dallas/Fort Worth are within a factor of 2 of the same values in plumes from urban areas in the NE United States. In the ship channel plumes, △OA/△CO exceeds that in the urban areas by factors ranging from 1.5 to 7. We use a chemical box model to simulate secondary organic aerosol. (SOA) formation from anthropogenic and biogenic VOCs in different plumes using recently reported dependencies of SOA yields on VOCZNOx ratios. Modeled SOA to CO enhancement ratios are within a factor of 2 of measurements. The increase in SOA from biogenic VOCs (BVOCs) predicted by the chemical box model as well as by a separate analysis using a Lagrangian particle dispersion model (FLEXPART) is <0.7 μg per standard m3 (sm-3). We find no evidence for a substantial influence of BVOCs on OA formation in our measurements in Houston area.

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