Journal of Geophysical Research: Atmospheres


  1. Introduction to a Special Collection

    1. Top of page
    2. Introduction to a Special Collection
    3. Regular Articles
    4. Research Articles
    1. Composition and Chemistry

      Overview of the SHARP campaign: Motivation, design, and major outcomes (pages 2597–2610)

      Eduardo P. Olaguer, Charles E. Kolb, Barry Lefer, Bernhard Rappenglück, Renyi Zhang and Joseph P. Pinto

      Article first published online: 5 MAR 2014 | DOI: 10.1002/2013JD019730

      Key Points

      • Primary and secondary sources of HCHO and HONO are underestimated in the Houston airshed
  2. Regular Articles

    1. Top of page
    2. Introduction to a Special Collection
    3. Regular Articles
    4. Research Articles
    1. Aerosol and Clouds

      Measurements of submicron aerosols in Houston, Texas during the 2009 SHARP field campaign (pages 10,518–10,534)

      Misti E. Levy, Renyi Zhang, Alexei F. Khalizov, Jun Zheng, Don R. Collins, Crystal R. Glen, Yuan Wang, Xiao-Ying Yu, Winston Luke, John T. Jayne and Eduardo Olaguer

      Article first published online: 20 SEP 2013 | DOI: 10.1002/jgrd.50785

      Key Points

      • Quantification of the mixing state and composition of ambient particles
      • Better understanding of formation and transformation of aerosols
      • Demonstration of meteorological impacts on aerosol properties
    2. Composition and Chemistry

      Urban measurements of atmospheric nitrous acid: A caveat on the interpretation of the HONO photostationary state (pages 12,274–12,281)

      B. H. Lee, E. C. Wood, S. C. Herndon, B. L. Lefer, W. T. Luke, W. H. Brune, D. D. Nelson, M. S. Zahniser and J. W. Munger

      Article first published online: 13 NOV 2013 | DOI: 10.1002/2013JD020341

      Key Points

      • Nitrous acid measured in urban atmosphere via laser absorption spectroscopy
      • Day HONO near emission source not at PSS, misinterpreted as secondary production
      • Night HONO:NOx cannot be used to infer production without counting NO2 oxidation
    3. Imaging DOAS detection of primary formaldehyde and sulfur dioxide emissions from petrochemical flares (pages 8716–8728)

      Olga Pikelnaya, James H. Flynn, Catalina Tsai and Jochen Stutz

      Article first published online: 15 AUG 2013 | DOI: 10.1002/jgrd.50643

      Key Points

      • Burning petrochemical flares emit formaldehyde at rates of 0.3-2.5 kg/hr
      • Co-emission of formaldehyde and sulphur dioxide from flares was not observed
      • Small flares were observed, larger flares are expected to emit more HCHO
    4. Identification of the source of benzene concentrations at Texas City during SHARP using an adjoint neighborhood-scale transport model and a receptor model (pages 8023–8031)

      Birnur Buzcu-Guven, Eduardo P. Olaguer, Scott C. Herndon, Charles E. Kolb, W. Berk Knighton and Alex E. Cuclis

      Article first published online: 26 JUL 2013 | DOI: 10.1002/jgrd.50586

      Key Points

      • Benzene source apportionment with inverse model and PMF is in agreement.
      • Self-reported emissions from the industrial facility are underestimated.
      • Besides flares, tanks and aromatic units are significant sources of benzene.
    5. Atmospheric oxidation chemistry and ozone production: Results from SHARP 2009 in Houston, Texas (pages 5770–5780)

      Xinrong Ren, Diana van Duin, Maria Cazorla, Shuang Chen, Jingqiu Mao, Li Zhang, William H. Brune, James H. Flynn, Nicole Grossberg, Barry L. Lefer, Bernhard Rappenglück, Kam W. Wong, Catalina Tsai, Jochen Stutz, Jack E. Dibb, B. Thomas Jobson, Winston T. Luke and Paul Kelley

      Article first published online: 7 JUN 2013 | DOI: 10.1002/jgrd.50342

      Key Points

      • The model reproduced the measured OH and HO2 with all five chemical mechanisms.
      • HOx production was dominated by HONO photolysis in the early morning.
      • P(O3) was VOC sensitive in the morning and NOx sensitive for most of afternoon.
    6. Application of an adjoint neighborhood-scale chemistry transport model to the attribution of primary formaldehyde at Lynchburg Ferry during TexAQS II (pages 4936–4946)

      Eduardo P. Olaguer

      Article first published online: 28 MAY 2013 | DOI: 10.1002/jgrd.50406

      Key Points

      • Inverse modeling of HCHO and olefins was performed
      • Inferred emissions compare well with remote sensing measurements
      • Primary HCHO is significant
    7. Source apportionment of formaldehyde during TexAQS 2006 using a source-oriented chemical transport model (pages 1525–1535)

      Hongliang Zhang, Jingyi Li, Qi Ying, Birnur Buzcu Guven and Eduardo P. Olaguer

      Article first published online: 13 FEB 2013 | DOI: 10.1002/jgrd.50197

      Key Points

      • Determine regional source contributions to primary and secondary HCHO using CMAQ
      • 20-30% of total HCHO is primary, from vehicles, natural gas and biogenic sources
      • 70-80% of total HCHO is secondary, mainly due to biogenic and upwind sources
  3. Research Articles

    1. Top of page
    2. Introduction to a Special Collection
    3. Regular Articles
    4. Research Articles
    1. Composition and Chemistry

      Relationship between boundary layer heights and growth rates with ground-level ozone in Houston, Texas (pages 6230–6245)

      C. L. Haman, E. Couzo, J. H. Flynn, W. Vizuete, B. Heffron and B. L. Lefer

      Article first published online: 27 MAY 2014 | DOI: 10.1002/2013JD020473

      Key Points

      • Observed/modeled PBLHs are lower during nighttime/morning on high ozone days
      • Observed PBL growth rates are lower during early morning on high ozone days
      • Observed mixing parameters are 2-3 times weaker on high ozone days
    2. Intercomparison of field measurements of nitrous acid (HONO) during the SHARP campaign (pages 5583–5601)

      J. P. Pinto, J. Dibb, B. H. Lee, B. Rappenglück, E. C. Wood, M. Levy, R.-Y. Zhang, B. Lefer, X.-R. Ren, J. Stutz, C. Tsai, L. Ackermann, J. Golovko, S. C. Herndon, M. Oakes, Q.-Y. Meng, J. W. Munger, M. Zahniser and J. Zheng

      Article first published online: 5 MAY 2014 | DOI: 10.1002/2013JD020287

      Key Points

      • HONO was measured by six techniques during SHARP under polluted urban conditions
      • Methods with collocated inlets tracked each other most closely
      • Differences between techniques not likely explained by chemical interference alone
    3. Quantitative measurements and modeling of industrial formaldehyde emissions in the Greater Houston area during campaigns in 2009 and 2011 (pages 4303–4322)

      John K. E. Johansson, Johan Mellqvist, Jerker Samuelsson, Brian Offerle, Jana Moldanova, Bernhard Rappenglück, Barry Lefer and James Flynn

      Article first published online: 9 APR 2014 | DOI: 10.1002/2013JD020159

      Key Points

      • Total HCHO emissions are measured from industrial sources in Houston
      • Industrial HCHO emission plumes are photochemically modeled
      • Primary emissions generally dominate HCHO emissions on local spatial scales
    4. Emission measurements of alkenes, alkanes, SO2, and NO2 from stationary sources in Southeast Texas over a 5 year period using SOF and mobile DOAS (pages 1973–1991)

      John K. E. Johansson, Johan Mellqvist, Jerker Samuelsson, Brian Offerle, Barry Lefer, Bernhard Rappenglück, James Flynn and Greg Yarwood

      Article first published online: 27 FEB 2014 | DOI: 10.1002/2013JD020485

      Key Points

      • Total VOC, SO2 and NO2 emission fluxes are measured from industries in Houston
      • Reported VOC emissions are typically underestimated by an order of magnitude
      • Meteorological variations cannot alone explain VOC emission discrepancies

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