Radical Chemistry and Ozone Production in the Houston Industrial Area

HR: 11:24h
AN: A22C-05 [Abstracts]
TI: Radical Chemistry and Ozone Production in the Houston Industrial Area
AU: * Sommariva, R
EM: roberto.sommariva@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: * Sommariva, R
EM: roberto.sommariva@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Brown, S S
EM: Steven.S.Brown@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Roberts, J M
EM: James.M.Roberts@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Roberts, J M
EM: James.M.Roberts@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Parker, A E
EM: aep20@leicester.ac.uk
AF: Department of Chemistry, University of Leicester, University Road, Leicester, LE1 7RH, United Kingdom
AU: Brookes, D M
EM: dmb23@leicester.ac.uk
AF: Department of Chemistry, University of Leicester, University Road, Leicester, LE1 7RH, United Kingdom
AU: Monks, P S
EM: P.S.Monks@leicester.ac.uk
AF: Department of Chemistry, University of Leicester, University Road, Leicester, LE1 7RH, United Kingdom
AU: Osthoff, H D
EM: hosthoff@ucalgary.ca
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Osthoff, H D
EM: hosthoff@ucalgary.ca
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Gilman, J B
EM: Jessica.Gilman@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Gilman, J B
EM: Jessica.Gilman@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Goldan, P D
EM: paul.d.goldan@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Goldan, P D
EM: paul.d.goldan@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Kuster, W C
EM: William.C.Kuster@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Kuster, W C
EM: William.C.Kuster@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Lerner, B M
EM: Brian.Lerner@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Lerner, B M
EM: Brian.Lerner@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Welsh-Bon, D
EM: Daniel.Welshbon@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Welsh-Bon, D
EM: Daniel.Welshbon@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Williams, E J
EM: Eric.J.Williams@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Williams, E J
EM: Eric.J.Williams@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Fehsenfeld, F C
EM: Fred.C.Fehsenfeld@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Fehsenfeld, F C
EM: Fred.C.Fehsenfeld@noaa.gov
AF: Cooperative Institute for Research in Environmental Sciences, University of Colorado- Boulder, 216 UCB, Boulder, CO 80309, United States
AU: Ravishankara, A R
EM: A.R.Ravishankara@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AU: Ravishankara, A R
EM: A.R.Ravishankara@noaa.gov
AF: Department of Chemistry and Biochemistry, University of Colorado-Boulder, 215 UCB, Boulder, CO 80309, United States
AU: Trainer, M
EM: Michael.K.Trainer@noaa.gov
AF: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, 325 Broadway, Boulder, CO 80305, United States
AB: Measurements of radicals (HO₂+RO₂, NO₃) were taken on board of the NOAA ship R/V Brown during the Texas Air Quality Study/Gulf of Mexico Atmospheric Composition and Climate Study (TexAQS/GoMACCS) 2006 field campaign. HO₂+RO₂ was measured by Chemical Amplification and NO₃ (with N₂O₅) was measured by Cavity Ring-Down Spectroscopy. The R/V Brown cruised for a month (August-September 2006) off the coast of Texas and inside Galveston Bay and Houston industrial and shipping area, sampling air masses coming from the highly industrialized region of Southern United States. The data collected during the cruise were analyzed using a zero-dimensional box-model based upon the Leeds Master Chemical Mechanism (MCM). The model was constrained to the measurements of long-lived species and physical parameters and used to calculate the concentrations of radicals (OH, HO₂, RO₂, NO₃) during the cruise of the R/V Brown. The modelled concentrations of HO₂+RO₂ and NO₃ were compared with the measurements. The model and the measurements were used to study ozone formation and photochemistry in one of the most polluted areas of the United States.
DE: 0322 Constituent sources and sinks
DE: 0345 Pollution: urban and regional (0305, 0478, 4251)
DE: 0365 Troposphere: composition and chemistry
SC: Atmospheric Sciences [A]
MN: 2007 Fall Meeting