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Scholarly Interest Report
         
Robert Griffin
Professor
Professor in Civil and Environmental Engineering and Chemical and Biomolecular Engineering
 
e-mail:Rob.Griffin@rice.edu
 
  • Ph. D. Chemical Engineering (2000) California Institute of Technology
  • M.S. Chemical Engineering with Minor in Environmental Engineering Science (1997) California Institute of Technology
  • B.S. Chemical Engineering (1993) Tufts University
 
Primary Department
   Department of Civil and Environmental Engineering
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Department Affiliations
 
  • Department of Chemical and Biomolecular Engineering
  •  
    Department Chair
     

    Begining Fall 2015, Dr. Griffin took on the role of Department Chair from Dr. Pedro J. Alvarez.

     
    Websites
     Griffin Web Page
     Griffin web page
     
    Research Areas
     Aerosol thermodynamics and chemistry Air pollution transport Atmospheric chemistry Regional air quality modeling Urban air quality
     
    Teaching Areas
     Air quality, fluid mechanics
     
    Selected Publications
     Refereed articles
     

    B.C. Schulze, H.W. Wallace, J. Flynn, B. Lefer, M. Erickson, B.T. Jobson, S. Dusanter, S. Griffith, R. Hansen, P. Stevens, and R.J. Griffin "Differences in BVOC oxidation and SOA formation above and below the forest canopy." Atmos. Chem. Phys., 17 (2017) : 1805-1828.

     
     

    C.T. Zheng, W.L. Ye, N.P. Sanchez, C.G. Li, L. Dong, Y.D. Wang, R.J. Griffin,F.K. Tittel "evelopment and field deployment of a mid-infrared methane sensor without pressure control using interband cascade laser absorption spectroscopy." Sensors and Actuators B – Chem., 244 (2017) : 365-372.

     
     

    H.W. Wallace, N.P. Sanchez, C.L. Herring, J.H. Flynn, T.M. VanReken, B.L. Lefer, R.J. Griffin "Source apportionment of particulate matter and trace gases near a major refinery in the Houston Ship Channel." Atmos. Environ., 173 (2018) : 16-29.Accepted

     
     

    K. Sun, L. Tao, D.J. Miller, D. Pan, L.M. Golston, M.A. Zondlo, R.J. Griffin, H.W. Wallace, Y.J. Leong, M.M. Yang, Y. Zhang, D.L. Mauzerall, and T. Zhu "Vehicle emissions as an important urban ammonia source in the United States and China." Environ. Sci. Technol., 51 (2017) : 2472-2481.

     
     

    L.G. Suciu, R.J. Griffin, and C.A. Masiello "Long-term changes in regional background O3 and NOx in the Houston-Galveston-Brazoria (TX) area." Atmos. Chem. Phys., 17 (2017) : 6565-6581.

     
     

    N.L. Ng, S.S. Brown, et al. "Nitrate radicals and biogenic volatile organic compounds: oxidation, mechanisms, and organic aerosol." Atmos. Chem. Phys., 17 (2017) : 2103-2162.

     
     

    N.P. Sanchez, C. Zhang, W. Ye, B. Czader, D. Cohan, F.K. Tittel, and R.J. Griffin "Exploratory study of atmospheric methane enhancements derived from natural gas use in the Houston area." Atmos. Envrion., 176 (2018) : 261-273.Accepted

     
     

    R.J. Griffin, M.L. Dawson, and D. Dabdub "Simulated sensitivity of urban secondary organic aerosol to nitrogen oxides and other chemical parameters." Aerosol Sci. Technol. (under revision) (2018) Submitted

     
     

    W. Ye, C. Zheng, N. Sanchez, A.V. Girija, Q. He, H. Zheng, R.J. Griffin, and F. Tittel, R.J. Griffin "Thermal effects of an ICL-based mid-infrared CH4 sensor within a wide atmospheric temperature range." Infr. Phys. Technol. (2018) Accepted

     
     

    Y. Yu, N.P. Sanchez, F. Yi, C. Zheng, W. Ye, H. Wu, R.J. Griffin, and F.K. Tittel "Dual quantum cascade laser based sensor for simultaneous NO and NO2 detection using a wavelength modulation-division multiplexing technique, B, 123, 164, 2017.." Appl. Phys. , B (2017) : 123,164.

     
     

    Y.J. Leong, N.P. Sanchez, H.W. Wallace, B. Karakurt Cevik, C.S. Hernandez, Y. Han, J.H. Flynn, B. Lefer, and R.J. Griffin "Overview of surface measurements and spatial characterization of submicron particulate matter during the DISCOVER-AQ 2013 campaign in Houston, TX." JAWMA, 67 (2017) : 854-872.

     
     

    A.N. Myers-Pigg, R.J. Griffin, P. Louchouarn, M. Norwood, A. Sterne, and B. Karakurt Cevik "Signatures of biomass burning aerosols in the plume of a saltmarsh wildfire in South Texas." Environ. Sci. Technol., , 50 (2016) : 9308-9314.

     
     

    B. Karakurt Cevik, A.P. Rutter, L. Gong, R.J. Griffin, J.H. Flynn, B.L. Lefer, and S. Kim, Estimates of airmass aging using particle and other measurements near Fort Worth, Atmos. Environ., 126, 45-54, 2016.

     
     

    E.T. Gall, R.J. Griffin, A.M. Steiner, J.E. Dibb, E. Scheuer, L. Gong, A.P. Rutter, B.K. Cevik, S. Kim, B. Lefer, and J. Flynn, Evaluation of nitrous acid sources and sinks in urban outflow, Atmos. Environ., 127, 272-282, 2016

     
     

    J. Bean, C. Faxon, Y.J. Leong, H.W. Wallace IV, B. Karakurt Cevik, S. Ortiz, M. Canagaratna, S. Usenko, R. Sheesley, R.J. Griffin, and L. Hildebrandt Ruiz "Composition and sources of particulate matter measured near Houston, TX: Anthropogenic-biogenic interactions, Atmosphere." , 7 (2016) : 73.

     
     

    J. Zhang, F.K. Tittel, L. Gong, R. Lewicki, R.J. Griffin, W. Jiang, B. Jiang, M. Li, Support vector machine modeling using particle swarm optimization approach for the retrieval of atmospheric ammonia concentrations, Environ. Monitor. Assess., 21, 531-546, 2016.

     
     

    L. Dong, C. Li, N. P. Sanchez, C. Zheng, Y. Yu, A. Sampaolo, R.J. Griffin, and F.K. Tittel "Compact TDLAS-based sensor design using interband cascade lasers for mid-IR trace gas sensing." Opt. Expr., 24 (2016) : A528-A535.

     
     

    .  L. Dong, C. Li, N.P. Sanchez, A.K. Gluszek, R.J. Griffin, and F.K. Tittel, Small, low power consumption methane sensor based on a CW room temperature interband cascade laser emitting at 3.3 mm, Appl. Phys. Lett., 108, 011106, 2016.

     
     

    M.L. Dawson, J. Xu, R.J. Griffin, and D. Dabdub, Development of aroCACM/MPMPO 1.0: An improved model to simulate secondary organic aerosol from aromatic precursors in regional models, Geosci. Model Develop., 9, 2143-2151, 2016.


     
     

    W. Ye, C. Li, C. Zheng, N.P. Sanchez, A.K. Gluszek, A.J. Hudzikowski, L. Dong, R.J. Griffin, and F.K. Tittel "Mid-infrared dual-gas sensor for simultaneous detection of methane and ethane using a single continuous-wave interband cascade laser." Opt. Expr., 24 (2016) : 16973-16985.

     
     

    Y. Yu, N.P. Sanchez, R.J. Griffin, and F.K. Tittel "Single CW EC-QCL based sensor for simultaneous detection of H2O, HDO, N2O and CH4 by multi-pass absorption spectroscopy." Opt. Expr., 24 (2016.) : 10391-10401.

     
     

    Y.J. Leong, A.P. Rutter, C.V. Gutierrez, H.Y. Wong, M. Junaid, E. Scheuer, L. Gong, F.K. Tittel, J.E. Dibb, and R.J. Griffin, Impact of environmental variables on the reduction of HNO3 by volatile organic compounds emitted by motor vehicles, Atmos. Poll. Res., 7, 221-227, 2016.

     
     

    A.P. Rutter, R.J. Griffin, B. Karakurt Cevik, K.M. Shakya, L. Gong, S. Kim, J.H. Flynn, and B.L. Lefer, "Sources of air pollution in a region of oil and gas development downwind of a large city, Atmos. Environ.." Journal of Geophysical Research, 120 (2015) : 89-99.

     
     

    C.B. Faxon, J.E. Dibb, R. Griffin, A. Rutter, and D.T. Allen, Reactive chlorine emissions in the Barnett Shale natural gas production region, in revision for Environ. Sci. Technol., (In Revision)

     
     

    J. Li, M. Cleveland, L. Ziemba, R.J. Griffin, and Q. Ying "Modeling regional secondary organic aerosol using the Master Chemical Mechanism." Atmospheric Environment, 102 (2015) : 52-61.

     
     

    J. Xu, R.J. Griffin, Y. Liu, S. Nakao, and D.R. Cocker III "Simulated impact of NOx on SOA formation from oxidation of toluene and m-xylene." Atmospheric Environment, 101 (2015) : 217-225.

     
     

    K. Ashworth, S.H. Chung, R.J. Griffin, J. Chen, R. Forkel, A.M. Bryan, and A.L. Steiner "Simulating biosphere-atmosphere exchange processes with FORCAsT: A 1-D canopy model." Geosci. Model Develop., 8 (2015) : 3765-3784.

     
     

    K. Sun, L. Tao, D.J. Miller, D. Pan, L.M. Golston, M.A. Zondlo, R.J. Griffin, H.W. Wallace, Y.J. Leong, M.M. Yang, Y. Zhang, D.L. Mauzerall, and T. Zhu,Vehicle emissions as an important urban ammonia source in the United States and China, Geophys. Res. Lett., (Submitted)

     
     

    S. Kim, A.B. Guenther, B. Lefer, J. Flynn, R. Griffin, A.P. Rutter, L. Gong, and B.Karakurt Cevik "Field observations of the role of stabilized Criegee radicals in sulfuric acid production in a high biogenic VOC environment." Environmental Science and Technology, 49 (2015) : 3383-3391.

     
     

    S. Kim, A.B. Guenther, B. Lefer, J. Flynn, R. Griffin, A.P. Rutter, L. Gong, and B.Karakurt Cevik "Field observations of the role of stabilized Criegee radicals in sulfuric acid production in a high biogenic VOC environment." Environmental Science and Technology, 49 (2015) : 3383-3391.

     
     

    Y. Cao, N.P. Sanchez, W. Jiang, R.J. Griffin, F. Xie, L.C. Hughes, C. Zah, and F.K. Tittel "Simultaneous atmospheric nitrous oxide, methane and water vapor detection with a single continuous wave quantum cascade laser." Optics Express, 23 (2015)

     
     

    Y. Cao, N.P. Sanchez, W. Jiang, R.J. Griffin, F. Xie, L.C. Hughes, C. Zah, and F.K. Tittel "Simultaneous atmospheric nitrous oxide, methane and water vapor detection with a single continuous wave quantum cascade laser." Optics Express, 23 (2015)

     
     

    A. McPhail, R.J. Griffin, M. El-Halwagi, K. Medlock, and P.J.J. Alvarez "An environmental and energy analysis of the influence of municipal solid waste’s ultimate analysis and moisture content in a parallel co-combustion process." Energy and Fuels, 28 (2014) : 1453-1462.

     
     

    A.P. Rutter, Y.J. Leong, Q.G.J. Malloy, C.V. Gutierrez, M. Calzada, E. Scheuer, J.E. Dibb, and R.J. Griffin "The reduction of HNO3 to HONO by semi-volatile organic compounds emitted by motor vehicles." Atmospheric Environment, 87 (2014) : 200-206.

     
     

    E.T. Gall, J. Dibb, E. Scheuer, L. Gong, A.P. Rutter, B.K. Cevik, S. Kim, B. Lefer, J. Flynn, and R.J. Griffin "Nitrous acid formation mechanisms in the outflow from a major urban area." Atmospehric EnvironmentIn Revision

     
     

    M. Jahjah, W. Jiang, N. Sanchez, W. Ren, P. Patimisco, V. Spagnolo, S. Herndon, R.J. Griffin, and F.K. Tittel "Atmospheric CH4 and N2O measurements near greater Houston area landfills using a QCL-based QEPAS sensor system during DISCOVER-AQ 2013." Optics Letters, 39 (2014) : 957-960.

     
     

    P. Stefanski, R. Lewicki, N.P. Sanchez, J. Tarka, R.J. Griffin, M. Razeghi, and F.K. Tittel "Long-term measurements of carbon monoxide mixing ratio in Houston using a compact high power CW DFB-QCL based QEPAS sensor." Applied Physics B, 117 (2014) : 519-526.

     
     

    W. Ren, W. Jiang, N.P. Sanchez, P. Patimisco, V. Spagnolo, C. Zah, F. Xie, L.C. Hughes, R.J. Griffin, and F.K. Tittel "Hydrogen peroxide detection with quartz-enhanced photoacoustic spectroscopy using a distributed-feedback quantum cascade laser." Applied Physics Letters, 104 (2014) : 041117.

     
     

    Y. Cao, N.P. Sanchez, W. Jiang, W. Ren, R. Lewicki, D. Jiang, R.J. Griffin, and F.K. Tittel "Multi-pass absorption spectroscopy for H2O2 detection using a CW DFB-QCL." Advanced Optical Technology, 3 (2014) : 549-558.

     
     

    Y.J. Leong, A.P. Rutter, C.V. Gutierrez, H.Y. Wong, M. Junaid, E. Scheuer, L. Gong, F.K. Tittel, J.E. Dibb, and R.J. Griffin "Impact of environmental variables on the reduction of HNO3 by volatile organic compounds emitted by motor vehicles." Atmospheric EnvironmentIn Revision

     
     

    A. McPhail, R.J. Griffin, M. El-Halwagi, K. Medlock, and P.J.J. Alvarez, An environmental and energy analysis of the influence of municipal solid waste’s ultimate analysis and moisture content in a parallel co-combustion process, in press, Energy & Fuels

     
     

    A.P. Rutter, Y.J. Leong, Q.G.J. Malloy, C.V. Gutierrez, M. Calzada, E. Scheuer, J.E. Dibb, and R.J. Griffin, The reduction of HNO3 to HONO by semi-volatile organic compounds emitted by motor vehicles, in press, Atmos Environ.

     
     

    L. Gong, R. Lewicki, R.J. Griffin, F.K. Tittel, B. Karakurt Cevik, A.P. Rutter, B.L. Lefer, J.H. Flynn, J.E. Dibb, and E. Scheuer, Characterization of atmospheric ammonia near Fort Worth, TX Gas-phase dynamics, sources, and impact on particulate matter formation, in revision for J. Geophys. Res

     
     

    L. Gong, R. Lewicki, R.J. Griffin, F.K. Tittel, C.R. Lonsdale, R.G. Stevens, J.R. Pierce, Q.G.J. Malloy, S.A. Travis, L.M. Bobmanuel, B.L. Lefer, and J.H. Flynn, Role of atmospheric ammonia in particulate matter formation in Houston during summertime, Atmos. Environ., 77, 893-900, 2013.

     
     

    M. Jahjah, W. Jiang, N. Sanchez, W. Ren, P. Patimisco, V. Spagnolo, S. Herndon, R.J. Griffin, and F.K. Tittel, Atmospheric CH4 and N2O measurements near greater Houston area landfills using a QCL-based QEPAS sensor system during DISCOVER-AQ 2013, in press, Opt. Lett.

     
     

    R.J. Griffin, The sources and impacts of tropospheric particulate matter, Nature Education Knowledge, 4, 1, 2013.

     
     

    W. Ren, W. Jiang, N.P. Sanchez, P. Patimisco, V. Spagnolo, C. Zah, R.J. Griffin, and F.K. Tittel, Hydrogen peroxide detection with quartz-enhanced photoacoustic spectroscopy using a distributed-feedback quantum cascade laser, in press, Appl. Phys. Lett.

     
     Articles
     

    A.P. Rutter, K.M. Shakya, R. Lehr, J.J. Schauer, and R.J. Griffin, Oxidation of gaseous elemental mercury in the presence of secondary organic aerosol formation, Atmos. Environ., 59, 86-92, 2012.

     
     

    K.M. Shakya, P.F. Place, Jr., R.J. Griffin, A. Ouimette, and R.W. Talbot, Seasonal variation in particle stable carbon and nitrogen isotope composition at a semi-rural New England location, under revision for Atmos. Environ. 

     
     

    K.M. Shakya, P.F. Place, R.J. Griffin, and R.W. Talbot, Carbonaceous content and water-soluble organic functionality of atmospheric aerosols at a semi-rural New England location, J. Geophys. Res., D03301, 117, doi:10.1029/2011JD016113, 2012.

     
     

    L. Gong, R. Lewicki, R.J. Griffin, F.K. Tittel, C.R. Lonsdale, R.G. Stevens, J.R. Pierce, Q.G.J. Malloy, S.A. Travis, L.M. Bobmanuel, B.L. Lefer, and J.H. Flynn, Atmospheric ammonia measurements and implications for particulate matter formation in Houston, TX, under review for Atmos. Environ.

     
     

    M.J. Cleveland, L.D. Ziemba, R.J. Griffin, J.E. Dibb, C.H. Anderson, B.L. Lefer, and B. Rappenglück, Characterization of urban aerosol using aerosol mass spectrometry and proton nuclear magnetic resonance spectroscopy, Atmos. Environ., 54, 511-518, 2012.

     
     

    R.J. Griffin, The sources and impacts of tropospheric particulate matter, Nature Education (Knowledge Project), in press, 2012.

     
     

    K.M. Shakya, P. Louchouarn, and R.J. Griffin, Lignin-derived phenols in Houston aerosols: Implications for natural background sources, Environ. Sci. Technol., 45, 8268-8275, 2011.

     
     

    L. Gong, R. Lewicki, R.J. Griffin, J.H. Flynn, B.L. Lefer, and F.K. Tittel, Atmospheric ammonia measurements in Houston, TX using an external-cavity quantum cascade laser-based sensor, Atmos. Chem. Phys., 11, 9721-9733, 2011.

     
     

    L.D. Ziemba, R.J. Griffin, C.H. Anderson, C. Corr, and S.I. Whitlow, Characterization of water-soluble organic aerosol in coastal New England: Implications of variations in size-distribution, Atmos. Environ., 45, 7319-7329, 2011.

     
     

    K.M. Shakya and R.J. Griffin, Secondary organic aerosol formation from oxidation of polycyclic aromatic hydrocarbons, Environ. Sci. Technol., 44, 8134-8139, 2010.

     
     

    K.M. Shakya, L.D. Ziemba, and R.J. Griffin, Characterization of carbonaceous aerosol in winter in Kathmandu, Nepal, Aerosol Air Qual. Res., 10, 219-230, 2010.

     
     

    L.D. Ziemba, J.E. Dibb, R.J. Griffin, C.H. Anderson, S.I. Whitlow, B. Lefer, B. Rappenglück, and J. Flynn, Heterogeneous conversion of nitric acid to nitrous acid on the surface of primary organic aerosol in an urban atmosphere, Atmos. Environ., 44, 4081-4089, 2010.

     
     

    L.D. Ziemba, J.E. Dibb, R.J. Griffin, L.G. Huey, and P. Beckman, Observations of particle growth at a remote, Arctic site, Atmos. Environ., 44, 1649-1657, 2010.

     
     

    L.D. Ziemba, R.J. Griffin, L.D. Cottrell, P.J. Beckman, Q. Zhang, R.K. Varner, B.C. Sive, H. Mao, and R.W. Talbot, Characterization of aerosol associated with enhancement of number concentrations of small particles in a suburban forested environment, J. Geophys. Res.,  115, D12206, doi:10.1029/2009JD0126114, 2010

     
     

    M.E. Wright et al., Extensive aerosol optical properties and other aerosol mass related measurements during TRAMP/TexAQS 2006 – Implications for PM compliance and planning, Atmos. Environ., 44, 4035-4044, 2010

     
     

    O. Klemm, L. Ziemba, R.J. Griffin, B.C. Sive, S. Whitlow, K. Carpenter, K.I. Klemm, and R.W. Talbot, A detailed aerosol particle plume analysis, J. Geophys. Res., 115, D21211, doi:10.1029/2010JD014153, 2010

     
     

    P.F. Place, Jr., L.D. Ziemba, and R.J. Griffin, Observations of nucleation-mode particle events and size distributions at a rural New England site, Atmos. Environ., 44, 88-94, 2010.

     
     

    W.L. Chang, R.J. Griffin, and D. Dabdub, Partitioning phase preference for secondary organic aerosol in an urban atmosphere, Proceed. Nat. Acad. Sci., 107, 6705-6710, 2010.

     
     

    E.O. Olaguer et al. Deciphering the role of radical precursors during the second Texas Air Quality Study, JAWMA, 59, 1258-1277, 2009. 

     
     

    H. Matsui, M. Koike, N. Takegawa, Y. Kondo, R.J. Griffin, Y. Miyazaki, Y. Yokouchi, and T. Ohara. Secondary organic aerosol formation in urban air calculated using a three-dimensional model, J. Geophys. Res., 114, D04201, doi:10.1029/2008JD010164, 2009.

     
     

    J.L. Jimenez, et al. Evolution of organic aerosols in the atmosphere: A new framework connecting measurements to models, Science, 326, 1525-1529, 2009.

     
     

    C. Anderson, J.E. Dibb, R.J. Griffin, G.S.W. Hagler, and M.H. Bergin "Water-soluble organic carbon measurements at Summit, Greenland." Atmos. Environ., 42 (2008) : 5612-5621.

     
     

    C. Anderson, M.H. Bergin, R.J. Griffin, and J.E. Dibb "Simultaneous measurements of particulate and gas-phase water soluble organic carbon concentrations at remote and urban-influenced locations." Geophys. Res. Lett., 35 (2008)

     
     

    C.E. Jordan, P.J. Ziemann, R.J. Griffin, Y.B. Lim, R. Atkinson, and J. Arey "Computational simulation of the formation of secondary organic aerosol from oxidation of alkanes by the hydroxyl radical." Atmos. Environ., 42 (2008) : 8015-8026.

     
     

    C.L. Heald et al. "Total observed organic carbon (TOOC) in the atmosphere." Atmos. Chem. Phys., 8 (2008) : 2007-2025.

     
     

    L.D. Cottrell, R.J. Griffin, J.L. Jimenez, Q. Zhang, I. Ulbrich, L.D. Ziemba, P.J. Beckman, B.C. Sive, and R.W. Talbot "Submicron particles at Thompson Farm during ICARTT measured using aerosol mass spectrometry." J. Geophys. Res, 113 (2008)

     
     

    S.L. Clegg, M.J. Kleeman, R.J. Griffin, and J.H. Seinfeld "Effects of uncertainties in the thermodynamic properties of organic aerosol components in an air quality model. I. Treatment of inorganic electrolytes and organic compounds in the condensed phase." Atmos. Chem. Phys., 8 (2008) : 1057-1085.

     
     

    S.L. Clegg, M.J. Kleeman, R.J. Griffin, and J.H. Seinfeld "Effects of uncertainties in the thermodynamic properties of organic aerosol components in an air quality model. II. Predictions of pure component vapor pressures of organic compounds." Atmos. Chem. Phys., 8 (2008) : 1087-1103.

     
     

    X. Cai, L.D. Ziemba, and R.J. Griffin "Secondary aerosol formation from the oxidation of toluene by chlorine atoms." Atmos. Environ., 42 (2008) : 7348-7359.

     
     Refereed conference papers
     

    R.J. Griffin, M.L. Dawson, and D. Dabdub "Simulated sensitivity of urban secondary organic aerosol to nitrogen oxides and other chemical parameters." Aerosol Sci. Technol., (Exp: Feb 17) In Progress

     
     

    Y. Yu, N. Sanchez, F. Yi, C. Zheng, W. Ye, H. Wu, R. Griffin, and F. Tittel "Dual quantum cascade laser based sensor for simultaneous NO and NO2 detection using a wavelength modulation- division multiplexing technique." Opt. Expr. (January 2017) Submitted

     
     

    W. Ren, W. Jiang, N.P. Sanchez, P. Patimisco, V. Spagnolo, C. Zah, F. Xie, L.C. Hughes, R.J. Griffin, and F.K. Tittel, Quantum cascade laser-based sensor for hydrogen peroxide detection, Proc. Photonics West – Intl. Soc. for Opt. Photonics, submitted December 2013.

     
     Other
     

    N.P. Sanchez, Y. Yu, L. Dong, R.J. Griffin, and F.K. Tittel "Mid-IR laser-based sensor for hydrogen peroxide detection." SPIE Newsroom (2016) Submitted

     
    Presentations
     Conference Paper
     

    PI, assistance with preparation of presentation.  "Characterization of aerosol organic nitrate in the outflow from Houston, TX, during the DISCOVER-AQ campaign." American Chemical Society, San Fransisco. (August 2014) With H.W. Wallace, Y.J. Leong, B. Lefer, B.K. Cevik, J.H. Flynn, R.W. Talbot, P.L. Laine, B.C. Sive, X. Lan, D. Anderson, Y. Zhou, M. Camp

     
     

    PI and presenter.  "Characterization of nocturnal aerosol formation in Houston during DISCOVER-AQ." American Association for Aerosol Research, Orlando, FL. (October 2014) With H.W. Wallace, Y.J. Leong, B.K. Cevik, M.G. Camp, J.H. Flynn, B.L. Lefer

     
     

    co-PI, assistance with presentation preparation.  "DISCOVER-AQ investigation of aerosol impacts on air quality over Houston." American Association for Aerosol Research, Orlando, FL. (October 2014) With R. Ferrare, J. Crawford, C.Hostetler, B. Anderson, B. Holben, R. Hoff, A. Beyersdorf, L. Ziemba

     
     

    PI, assistance with preparation of presentation.  "The impact of environmental variables on the reduction of HNO3 by volatile organic compounds emitted by motor vehicles." American Chemical Society, San Fransisco. (August 2014) With Y.J. Leong, A.P. Rutter, C.V. Gutierrez, H.Y. Wong, M. Junaid, E. Scheuer, J.E. Dibb

     
     Invited Talks
     

    Presenter/Lecturer.  "Atmospheric chemistry and air quality impacts associated with the mixing of biogenic and anthropogenic emissions." Department of Chemistry, University of Iowa, Iowa City, IA. (May 2017)

     
     

    Atmospheric chemistry and air quality impacts associated with the mixing of biogenic and anthropogenic emissions, Department of Chemical and Environmental Engineering, Yale University, New Haven, CT, November 2016.

     
     

    Houston Aerosol Characterization and Health Experiment (HACHE), Health: Global Lens, Local Focus Conference, Houston, TX, May 2015.

     
     

    Mechanisms controlling HONO mixing ratios in the urban Texas atmosphere, Berkeley Atmospheric Sciences Research Center, University of California – Berkeley, Berkeley, CA, October 2015.

     
     

    New spectroscopic techniques for trace gas measurements, Technology Collaboration Center of Houston Air Quality Technologies Event, Houston, TX, March 2015.

     
     

    Particulate matter research at Rice, Texas Air Quality Symposium, Austin, TX, April 2015

     
     

    PI and Presenter.  "Houston Aerosol Characterization and Health Experiment (HACHE)." Houston Regional Air Quality Planning Advisort Committee Meeting, Houston, TX. (January 2014)

     
     

    co-PI, assistance with presentation preparation.  "Mid-infrared semi-conductor laser-based trace gas sensor technologies: Recent advances and applications." FLAIR – Field Laser Applications in Industry and Research, Pratolino, Italy. (May 2014) With F.K. Tittel, W. Ren, N.P. Sanchez, W. Jiang, P. Patimisco, V. Spangolo

     
     

    co-PI.  "The spatial and temporal variability of ozone in the Houston metropolitan area during DISCOVER-AQ and its relation to meteorological conditions." American Geophysical Union, San Fransisco. (December 2014) With B. Lefer, J. Flynn, L. Judd, X. Ren, M. Estes

     
     

    Chemical characterization of submicron aerosol emissions in the greater Houston area using an aerosol mass spectrometer on a mobile platform, American Chemical Society Southwestern Regional Meeting, Waco, TX, November 2013 (presented by post-doc H.W. Wallace).

     
     

    Highly time resolved characterization of chemical and physical processes affecting air quality in major metropolitan areas of Texas, National Academy of Science Workshop on Air Quality in Mega-cities, Irvine, CA, September 2013.

     
     

    "Air Quality Planning and Implementation Division, TCEQ."

     
     

    "College of Environmental Science and Engineering, Nankai University."

     
     

    "Department of Earth and Atmospheric Sciences, University of Houston."

     
     

    "Department of Marine Sciences, TAMU - Galveston."

     
     

    "Biogenic Hydrocarbon Gordon Research Conference."

     
     

    "Cl-aromatic reactions as a source of secondary organic aerosol in the atmosphere." Telluride Specialty Workshop on Organic Aerosols, Telluride, CO. (August 2008)

     
     

    "Development and applications of CACM/MPMPO." Aerodyne Research, Inc., (January 2008)

     
     

    "Potential heterogeneous aerosol processes in Houston: Results from TRAMP 2006." University of Göteborg Department of Chemistry, (May 2008)

     
     

    "The role of organic aerosol in air quality." Shell Center for Sustainability Houston Air Conference, Houston, TX. (October 2008)

     
     Keynote Speaker
     

    Measurements and modeling of NO3-BVOC reactions in Houston, Workshop on NO3-BVOC Reactions, Goergia Institute of Technology, Atlanta, GA, June 2015. (keynote)

     
     Lectures
     

    "Atmospheric aerosols and their role in Houston air quality, American Meteorology Society Houston Section." (February 2009)

     
     

    "CI-aromatic reactions as a source of secondary organic aerosol in the atmosphere, University of Houston, Department of Earth and Atmospheric Sciences." (February 2009)

     
     

    "Interactions of nitrogen-containing acids and primary organic aerosol in an urban atmosphere, Texas A&M University Department of Atmospheric Sciences." (February 2009)

     
     

    "Introduction to atmospheric particulate matter, Environmental Health Panel, Baylor College of Medicine." (October 2009)

     
     

    "The link between air and water pollution in Houston, Shell Center for Sustainability Houston Water Conference." (October 2009)

     
     Other
     

    J.H. Slade, et al., The influence of monoterpene and isoprene nitraates on the chemistry and phase state of secondary organic aerosol in a low-NOx mixed deciduous/coniferous forest, American Geophysical Union Annual Meeting, San Francisco, CA, December 2016.

     
     

    B.C. Schulze, H.W. Wallace, and R.J. Griffin, Oxidation of BVOCs and SOA formation above and below a forest canopy, American Association for Aerosol Research Annual Meeting, Portland, OR, October 2016.

     
     

    K. Tuite, et al., Impact of iodine chemistry on coastal ozone levels at the Gulf of Mexico, American Geophysical Union Annual Meeting, San Francisco, CA, December 2016

     
     

    D.S. Wang, A. Bui, S. Bhandari, J.K. Bean, S.V. Dhulipala, H.W. Wallace, R.J. Griffin, and L. Hildebrandt Ruiz, Volatility and particle-phase hydrolysis of alkyl nitrates from anthropogenic alkanes and alkenes, American Association for Aerosol Research Annual Meeting, Portland, OR, October 2016.

     
     Panelist
     

    Air quality panel, Earth Day Texas, Dallas, TX, April 2016.

     
     Posters
     

    Advisor/collaborator.  "Analysis of trends in isoprene and monoterpenes in a remote forest and an anthopogenic influenced forest." American Geophysical Union Annual Meeting,, New Orleans, LA. (December 2017) With S. Usenko, R.J. Sheesley, Z. Winfield, S. Yoon, M. Erickson, J.H. Flynn, S.L. Alvarez,H.W. Wallace, and R.J. Griffin

     
     

    Advisor/collaborator.  "Atmospheric methane enhancements related with natural gas usage in the Greater Houston Area." American Geophysical Union Annual Meeting, New Orleans, LA. (December 2017) With N.P. Sanchez, C. Zheng, W. Ye, B. Czader, D.S. Cohan, F.K. Tittel, and R.J. Griffin

     
     

    Advisor.  "Below-canopy isoprene nitrate chemistry and dynamics in a mixed coniferous/deciduous forest canopy during the 2016 PROPHET-AMOS summer field campaign." American Geophysical Union Annual Meeting, New Orleans, LA. (December 2017) With S.J. Desrochers, et al.,

     
     

    Advisor/collaborator.  "Characterizing the sources and processing of submicron aerosols at a coastal site near Houston, TX, with a specific focus on the impact of regional shipping emissions." merican Geophysical Union Annual Meeting, New Orleans, LA. (December 2017) With B.C. Schulze, H.W. Wallace, A. Bui, J.H. Flynn, M.H. Erickson, and R.J. Griffin

     
     

    Advisor/collaborator.  "Diel variations in the phase state of atmospheric aerosol in a mixed forest: The role of molecular composition and liquid water." American Association for Aerosol Research Annual Meeting, Raleigh, NC. (October 2017) With J.H. Slade, et al.

     
     

    Presentor/colleague.  "Insights into the physico-chemical evolution of pyrogenic organic carbon emissions from biomass burning using coupled Lagrangian-Eulerian simulations." American Geophysical Union Annual Meeting, New Orleans, LA. (December 2017) With L.G. Suciu, R.J. Griffin, and C.A. Masiello

     
     

    "LaRC modeling of ozone formation in San Antonio, TX." American Geophysical Union Annual Meeting, New Orleans, LA. (December 2017) With F. Guo, J.H. Flynn, M. Erickson, S. Usenko, R.J. Sheesley, S. Yoon, A.T. Bui, H.W. Wallace, and R.J. Griffin

     
     

    Advisor/collaborator.  "LaRC modeling of ozone formation in San Antonio, TX." American Meteorological Society Annual Meeting, Austin, TX. (January 2018) With F. Guo, J.H. Flynn, M. Erickson, S. Usenko, R.J. Sheesley, S. Yoon, A.T. Bui, H.W., Wallace, and R.J. Griffin

     
     

    Advisor/collaborator.  "Measurements of aerosol organic nitrates in a semi-rural forest canopy." Gordon Research Conference on Atmospheric Chemistry, unday River, ME. (August 2017) With A.Bui, et al.,

     
     

    Advisor.  "Sources and characterization of submicron aerosols in a rural forest during the PROPHET-AMOS 2016 campaign." American Geophysical Union Annual Meeting, New Orleans, LA. (December 2017) With A.T. Bui, et al.

     
     

    Advisor.  "Utilizing NASA airborne data to investigate the influence of fuel type on biomass burning aerosol optical properties,." American Geophysical Union Annual Meeting, New Orleans, LA. (December 2017 ) With C. Corr, et al.,

     
     

    H.W. Wallace, N.P. Sanchez, Y. Han, R.J. Griffin, C.L. Herring, T.M. VanReken, J.H. Flynn, M.H. Erickson, and B.L. Lefer, Measurement of emissions and air quality in an area of heavy refinining, American Association for Aerosol Research Annual Meeting, Portland, OR, October 2016. (poster)

     
     

    A.N. Myers-Pigg, P. Louchouarn, M.J. Norwood, R.M.W. Amon, R. Griffin, A. Prokushkin, A. Sterne, K. Pierce, A. Rubstov, B.K. Cevik, N. Tananaev, and R. Teisserenc, New insights on the characterization and fate of pyrogenic carbon during transport in aquatic and atmospheric environments, Organic Geochemistry Gordon Research Conference, Holderness, NH, July 2016. (poster)

     
     

    PI, assistance with preparation of poster.  "Atmospheric CH4 and N2O measurements near greater Houston area landfills using a QCL-based QEPAS sensor system during DISCOVER-AQ 2013." AQAST Semi-Annual Meeting, Houston, TX. (January 2014) With N. Sanchez, M. Jahjah, W. Jiang, W. Ren, P. Patimisco, V. Spagnolo, S. Herndon, F.K. Tittel

     
     

    PI and presenter.  "Characterization of nocturnal aerosol formation in Houston during DISCOVER-AQ." International Global Atmospheric Chemistry Quadrennial Meeting, Natal, Brazil. (September 2014) With H.W. Wallace, Y.J. Leong, B.K. Cevik, M.G. Camp, J.H. Flynn, B.L. Lefer,

     
     

    PI, assistance with preparation of poster.  "Chemical characterization of submicron aerosol emissions in the greater Houston area using an aerosol mass spectrometer on a mobile platform." AQAST Semi-Annual Meeting, Houston, TX. (January 2014) With Y.J. Leong, H.W. Wallace, B. Lefer, B.K. Cevik, J.H. Flynn, R.W. Talbot, P.L. Laine, B.C. Sive, X. Lan, D. Anderson, Y. Zhou, M. Camp

     
     

    co-PI, assistance with presentation preparation.  "Signatures of biomass burning aerosols during a smoke plume event from a saltmarsh wildfire in South Texas." American Geophysical Union, San Fransisco. (December 2014) With P. Louchouarn, M. Norwood, A. Sterne, B. Karakurt Cevik

     
     

    PI, assistance with preparation of poster.  "Simulation of SOA formation and composition from oxidation of toluene and m-xylene in chamber experiments." AQAST Semi-Annual Meeting, Houston, TX. (January 2014) With J. Xu, Y. Liu, S. Nakao, D.R. Cocker III

     
     

    co-PI.  "Spatial trends in surface-based carbonaceous aerosol, including organic, water-soluble, and elemental carbon, during DISCOVER-AQ in Houston, TX." American Geophysical Union, San Fransisco. (December 2014) With R. Sheesley, T. Barrett, S. Yoon, A. Clark, L. Hildebrandt-Ruiz, B. Karakurt Cevik, R. Long, R. Duvall, S. Usenko

     
     

    B.K. Cevik, Y.J. Leong, C. Hernandez, R.J. Griffin, Characterization of ambient aerosols during the Southern Oxidant and Aerosol Study (SOAS) in Centreville, AL, with a high-resolution time-of-flight aerosol mass spectrometer, American Geophysical Union Winter Meeting, San Francisco, CA, December 2013.

     
     

    Y.J. Leong, H.W. Wallace, B. Lefer, B.K. Cevik, J.H. Flynn, R.W. Talbot, P.L. Laine, B.C. Sive, X. Lan, D. Anderson, Y. Zhou, M. Camp, R.J. Griffin, Chemical characterization of submicron aerosol emissions in the greater Houston area using an aerosol mass spectrometer on a mobile platform, American Geophysical Union Winter Meeting, San Francisco, CA, December 2013.

     
     

    D. Collins, N. Taylor, J. Matus, C. Antonietti, C. Spencer, R. Griffin, Y.J. Leong, B.K. Cevik, Measurement of the sensitivity of biogenic SOA formation under ambient conditions to anthropogenic factors using a new captive aerosol growth and evolution chamber system during the Southern Oxidant and Aerosol Study, American Association for Aerosol Research Annual Conference, Portland, OR, October 2013.

     
     

    J. Xu, Y. Liu, S. Nakao, D.R. Cocker III, and R.J. Griffin, Simulation of SOA formation and composition from oxidation of toluene and m-xylene in chamber experiments, American Geophysical Union Winter Meeting, San Francisco, CA, December 2013.

     
     Seminar Speaker
     

    PI and presenter.  "Houston Aerosol Characterization and Health Experiment (HACHE)." UT School of Public Health, Houston, TX. (January 2014)

     
     

    PI and presenter.  "Insight into the chemistry associated with PM in Houston from recent field campaigns." Houston Regional Monitoring Technical Advising Committee, LaPorte, TX.

     
     Workshops
     

    The future of air pollution engineering and atmospheric chemistry, AEESP Grand Challenges Workshop, Houston, TX, April 2016.

     
     

    PI and presenter.  "Characterization of primary and secondary particulate matter during DISCOVER-AQ." AQAST Semi-Annual Meeting, RIce University. (January 2014)

     
    Editorial Positions
     Other, National Aeronautics and Space Administration. (2017 - 2018)

     Other, Aerosol Science and Technology. (2016 - 2018)

     Other, Environmental Protection Agency. (2017 - 2018)

     Other, National Oceanic and Atmospheric Administration. (2017 - 2018)

     Other, National Research Council (UK), National Science Foundation. (2017 - 2018)

     Other, National Oceanic and Atmospheric Administration. (2017 - 2018)

     Other, Defense Threat Reduction Agency. (2017 - 2018)

     Other, American Chemical Society Petroleum Research Fund. (2017 - 2018)

     Other, Tellus. (2016 - 2018)

     Other, Science. (2016 - 2018)

     Other, Journal of Physical Chemistry. (2016 - 2018)

     Other, Proceedings of the National Academy of Science. (2016 - 2018)

     Other, Nature. (2016 - 2018)

     Other, Journal of Geophysical Research. (2016 - 2018)

     Other, Journal of the Air and Waste Management Association. (2016 - 2018)

     Other, Journal of Atmospheric Chemistry. (2016 - 2018)

     Other, Geophysical Research Letters. (2016 - 2018)

     Other, Environmental Science and Technology. (2016 - 2018)

     Other, Chemosphere. (2016 - 2018)

     Other, Atmospheric Environment. (2016 - 2018)

     Other, Atmospheric Chemistry and Physics. (2016 - 2018)

     Other, National Science Foundation. (2017 - 2018)

    Supervised Theses & Dissertations
     Ying Liu, MS Modeling of SOA Formation from Toluene. (2012) (Thesis Director)

     Longwen Gong, PhD Atmospheric Ammonia Measurements and Implications for Particulate Matter Formation in Urban and Suburban Areas, TX. (2013) (Thesis Director)

     Andrea Clements, PhD Mass, Composition, Source Identification, and Impact Assessment of Fine and Coarse Particulate Matter in the Desert Southwest. (2013) (Thesis Committee Member)

     Jialu Xu, MS Simulated impact of NOx on SOA formation from oxidation of toluene and m-xylene. (2014) (Thesis Director)

     Wei Zhou, PhD Modeling the Dynamic Change of Air Quality and Its Response to Emission Trends. (2014) (Thesis Committee Member)

     Ana McPhail, PhD Municipal Solid Waste as a Viable Alternative Fuel in the USA. (2014) (Thesis Co-Director)

     Wei Tang, PhD Incorporation of Satellite Observations into Texas Ozone Attainment Modeling. (2014) (Thesis Committee Member)

     Benjamin Lash, MS Implementing an Enhanced Soil NOx Parameterization in the Community Multiscale Air Quality Model . (2015) (Thesis Committee Member)

     Erin Chavez-Figueroa, MS Sensitivity of Biogenic Volatile Organic Compounds to Variation in Climatological Factors Affected by Drought. (2015) (Thesis Committee Member)

    Awards, Prizes, & Fellowships
     Professor of the Year, ASCE Student Chapter

     University Corporation for Atmospheric Research Faculty Fellowship, (Summer 2008)

    Positions Held
     Department Chair, Department of Civil & Environmental Engineering, Rice University. (2016 - 2018)

     Engineering Dean Review Committee (Spring 2016), School of Engineering, Rice University. (2016 - 2016)

     Engineering Dean Search Committee (2016-2017), School of Engineering, Rice University. (2016 - 2017)

     NCAA Faculty Athletic Representative , NCAA/Athletics Department, Rice University. (2016 - 2018)

     Rice University Athletics Committee, Athletics Department, Rice University. (2016 - 2016)

     University Corporation for Atmospheric Research, Member Representative, UCAR. (2016 - 2017)

     CAAM Chair Search, CAAm Department, Rice University School of Engineering. (2017 - 2018)

     Member, American Association for Aerosol Research (AAAR). (2016 - 2018)

     Member, American Chemical Society (ACS). (2016 - 2018)

     Member, American Geophysical Union (AGU). (2016 - 2018)

     Member, American Society of Civil Engineers (ASCE). (2016 - 2018)

     Member, Association of Environmental Engineering and Science Professors (AEESP). (2016 - 2018)

     Member, Air and Waste Management Association (AWMA). (2016 - 2018)