Session 10 |
| TEXAQS air quality study: Part II |
| 8:30 AM | 10.1 | Chemical characterization of particulate matter at the La Porte site using an aerosol mass spectrometer Douglas R. Worsnop, Aerodyne Research, Inc., Billerica, MA; and P. J. Silva, M. R. Canagaratna, P. Davidovits, J. L. Jimenez, A. E. Delia, and K. Purvis |
| 8:45 AM | 10.2 | Measurement of trace gases and PM2.5 mass and composition near the ground and at 254 m agl during TexAQS2000 Karsten Baumann, Georgia Tech, Atlanta, GA; and F. Ift, J. Z. Zhao, M. Bergin, and A. G. Russell |
| 9:00 AM | 10.3 | Efficiency of ozone production in the Houston plume Lawrence I. Kleinman, Brookhaven National Laboratory, Upton, NY; and P. H. Daum, F. Brechtel, Y. -. N. Lee, L. J. Nunnermacker, S. R. Springston, and J. Weinstein-Lloyd |
| 9:15 AM | 10.4 | Anthropogenic source types and their relative effects on ozone production in Houston, TX Thomas B. Ryerson, NOAA/AL, Boulder, CO; and M. Trainer, D. K. Nicks, A. J. Neuman, R. W. Dissly, J. S. Holloway, R. O. Jakoubek, D. D. Parrish, G. J. Frost, C. Weidinmyer, D. T. Sueper, W. C. Kuster, P. D. Goldan, G. Huebler, W. M. Angevine, F. C. Fehsenfeld, S. G. Donnelly, S. Schauffler, E. Atlas, A. J. Weinheimer, F. Flocke, B. P. Wert, W. T. Potter, A. Fried, C. J. Senff, L. Darby, R. M. Banta, and R. J. Alvarez |
| 9:30 AM | 10.5 | Ozone Precursors, Source Regions, and O3 Formation during the TexAQS 2000 Study Peter H. Daum, Brookhaven National Laboratory, Upton, NY; and L. I. Kleinman, F. Brechtel, Y. -. N. Lee, L. J. Nunnermacker, S. R. Springston, and J. Weinstein-Lloyd |
| 9:45 AM | 10.6 | PANs measured over Greater Houston during TexAQS 2000 and their implications for hydrocarbon precursors to ozone formation A.J. Weinheimer, NCAR, Boulder, CO; and F. Flocke, E. L. Atlas, S. G. Donnelly, S. Schauffler, A. Fried, B. P. Wert, J. M. Roberts, M. Trainer, G. J. Frost, D. T. Sueper, C. Wiedinmyer, G. Hubler, T. B. Ryerson, D. K. Nicks, W. C. Custer, P. D. Goldan, D. D. Parrish, and J. S. Holloway |
| 10:00 AM | | Coffee Break in Poster Session Room
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| 10:30 AM | 10.7 | Reactive nitrogen emissions from point sources in Houston using visible spectroscopy measurements from aircraft Susan Solomon, NOAA/AL, Boulder, CO; and M. L. Melamed, J. S. Daniel, A. O. Langford, and R. W. Portmann |
| 10:45 AM | 10.8 | Nitric Acid Formation in urban, power plant, and industrial plumes during the Texas Air Quality Study J. A. Neuman, NOAA/AL, Boulder, CO; and R. W. Dissly, J. C. Holocek, T. B. Ryerson, D. K. Nicks, J. S. Holloway, G. Hubler, D. D. Parrish, D. T. Sueper, F. C. Fehsenfeld, F. Flocke, A. J. Weinheimer, and L. G. Huey |
| 11:00 AM | 10.9 | Airborne in-situ Observations of VOC and PAN over the Greater Houston Area during TexAQS 2000 A. Hansel,, University of Innsbruck, Innsbruck, Austria; and A. Wisthaler, R. Fall, P. D. Goldan, M. Trainer, T. B. Ryerson, D. D. Parrish, G. Hübler, J. Holloway, F. C. Fehsenfeld, F. Flocke, B. P. Wert, and A. Fried |
| 11:15 AM | 10.10 | Trace gas observations from whole air samples collected aboard aircraft during TexAQS 2000 Elliot L. Atlas, NCAR, Boulder, CO; and S. G. Donnelly, S. Schauffler, V. Stroud, K. Johnson, R. Weaver, F. Flocke, E. C. Apel, G. Hubler, M. Trainer, D. Parrish, T. Ryerson, J. Holloway, D. Nicks, P. Goldan, B. Kuster, and D. Riemer |
| 11:30 AM | 10.11 | The Relative Importance of Primary and Oxidized Hydrocarbons in the Houston Urban and Ship Channel Plumes Paul D. Goldan, NOAA/AL, Boulder, Colorado; and W. C. Kuster, J. Holloway, G. Huebler, T. Ryerson, D. D. Parrish, D. Nicks, M. Trainer, C. Wiedinmyer, F. C. Fehsenfeld, S. G. Donnelly, S. Schauffler, E. Atlas, B. Wert, A. Fried, A. Hansel, and A. Wisthaler |
| 11:45 AM | 10.12 | Particle Growth in urban and Industrial Plumes in Texas Charles A. Brock, NOAA/AL and CIRES/Univ. of Colorado, Boulder, CO; and M. Trainer, T. B. Ryerson, J. A. Neuman, D. D. Parrish, J. S. Holloway, and J. C. Wilson |
| 12:00 PM | | Lunch Break
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| 1:30 PM | 10.13 | Aerosol Chemical Characterization on Board the DOE G1 Aircraft using a Particle-into-Liquid-Sampler during the TexAQS 2000 experiment Yin-Nan Lee, Brookhaven National Laboratory, Upton, NY; and Z. Song, Y. Liu, P. Daum, R. Weber, D. Orsini, N. Laulainen, J. Hubbe, and V. Morris |
| 1:45 PM | 10.14 | Fast airborne formaldehyde measurements as an indicator of plume chemistry during TexAQS 2000 Bryan P Wert, NCAR, Boulder, CO; and A. Fried, M. Trainer, and T. Ryerson |
| 2:00 PM | 10.15 | Contribution of NOx from various sources to ozone production observed with the Baylor University aircraft during TexAQS 2000 Martin Buhr, Sonoma Technology, Inc., Petaluma, CA; and C. MacDonald, P. Roberts, S. Alvarez, M. Shauck, G. Zanin, M. Suffern, W. Lonnemann, and B. Seila |
| 2:15 PM | 10.16 | Three-dimensional distribution of and relationship between ozone and ozone precursors observed from the Baylor University aircraft during TexAQS 2000 Clinton MacDonald, Sonoma Technology, Inc., Petaluma, CA; and P. Roberts, M. Buhr, E. Gribbin, W. Lonnemann, and B. Seila |
| 2:30 PM | 10.17 | 3-D distribution of ozone during the major pollution event of 30 August 2000 during TexAQS 2000 Robert M. Banta, NOAA/ETL, Boulder, CO; and C. J. Senff, L. S. Darby, T. B. Ryerson, M. Trainer, and R. J. Alvarez |
| 2:45 PM | 10.18 | Horizontal and vertical distribution of ozone in the Houston area during the 8/29–9/6/2000 pollution episode Christoph J. Senff, NOAA/ETL and CIRES/University of Colorado, Boulder, CO; and R. M. Banta, L. S. Darby, R. J. Alvarez, S. P. Sandberg, R. M. Hardesty, W. M. Angevine, T. B. Ryerson, and B. P. Wert |
| 3:00 PM | | Coffee Break in Exhibit Hall
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| 3:30 PM | 10.19 | A Comparison of Photochemical Ozone Production in Four U.S. Urban Areas David D. Parrish, NOAA/AL, Boulder, CO; and T. B. Ryerson, J. S. Holloway, D. K. Nicks, R. W. Dissly, W. C. Kuster, P. D. Goldan, S. G. Donnelly, S. Schauffler, E. Atlas, D. T. Sueper, G. J. Frost, M. Trainer, G. Hübler, J. F. Meagher, and F. C. Fehsenfeld |
| 3:45 PM | 10.20 | Secondary species as NOx-VOC indicators in Houston: results from photochemical models Sanford Sillman, University of Michigan, Ann Arbor, MI; and K. A. Duderstadt, K. A. Al-Wali, and X. Xu |
| 4:00 PM | 10.21 | Houston ozone concentrations and the role of the large-scale sea breeze circulation John W. Nielsen-Gammon, Texas A&M University, College Station, TX; and P. Breitenbach |
| 4:15 PM | 10.22 | Mixing depth variability in the Houston area during TEXAQS2000 Wayne M. Angevine, CIRES/Univ. of Colorado, Boulder, CO; and A. B. White, K. Knupp, R. Coulter, T. Martin, J. C. Doran, and D. White |
| 4:30 PM | 10.23 | Relationship between mean wind direction and daily ozone trends at LaPorte, Texas Lisa S. Darby, NOAA/ETL, Boulder, CO; and R. M. Banta, R. D. Marchbanks, C. J. Senff, and E. J. Williams |
| 4:45 PM | 10.24 | Results from the NOAA, FSL photochemical forecast model: Comparisons to aircraft and surface data during TEXAQS-2000 Stuart A. McKeen, CIRES/Univ. of Colorado and NOAA/AL, Boulder, CO; and G. Grell, J. W. Bao, M. Trainer, and E. Y. Hsie |