Particle growth in urban and industrial plumes in Texas

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dc.acquisition-srcDownloaded from-Web of Scienceen_US
dc.call-noen_US
dc.contract-noen_US
dc.contributor.authorBrock CAen_US
dc.contributor.authorTrainer Men_US
dc.contributor.authorRyerson TBen_US
dc.contributor.authorNeuman JAen_US
dc.contributor.authorParrish DDen_US
dc.contributor.authorHolloway JSen_US
dc.contributor.authorNicks DKen_US
dc.contributor.authorFrost GJen_US
dc.contributor.authorHubler Gen_US
dc.contributor.authorFehsenfeld FCen_US
dc.contributor.authorWilson JCen_US
dc.contributor.authorReeves JMen_US
dc.contributor.authorLafleur BGen_US
dc.contributor.authorHilbert Hen_US
dc.contributor.authorAtlas ELen_US
dc.contributor.authorDonnelly SGen_US
dc.contributor.authorSchauffler SMen_US
dc.contributor.authorStroud VRen_US
dc.contributor.authorWiedinmyer Cen_US
dc.contributor.otherJournal of Geophysical Research-Atmospheresen_US
dc.date.accessioned2010-02-15T17:18:20Z
dc.date.available2010-02-15T17:18:20Z
dc.date.issued2003 Feb 7en_US
dc.degreeen_US
dc.description-en_US
dc.description-otheren_US
dc.description.abstract[1] Particle size distributions and gas-phase particle precursors and tracer species were measured aboard an aircraft in the plumes downwind from industrial and urban sources in the vicinity of Houston, TX during the daytime in late August and early September 2000. Plumes originating from the Parish gas-fired and coal-fired power plant, petrochemical industries along the Houston ship channel, the petrochemical facilities near the Gulf coast, and the urban center of Houston were studied. Most of the particle mass flux advected downwind of Houston came from the industries and electrical utilities at the periphery of the city rather than from sources in the urban core. In SO2-rich plumes that did not contain elevated concentrations of volatile organic compounds (VOCs), particle volume increased with increasing plume oxidation (age) at a rate consistent with condensation and neutralization of the gas-phase oxidation products of SO2. In plumes that were rich in both SO2 and VOCs, observed particle growth greatly exceeded that expected from SO2 oxidation, indicating the formation of organic particulate mass. In plumes that were enhanced in VOCs but not in SO2, and in the plume of the Houston urban center, no particle volume growth with increasing plume oxidation was detected. Since substantial particle volume growth was associated only with SO2-rich plumes, these results suggest that photochemical oxidation of SO2 is the key process regulating particle mass growth in all the studied plumes in this region. However, uptake of organic matter probably contributes substantially to particle mass in petrochemical plumes rich in both SO2 and VOCs. Quantitative studies of particle formation and growth in photochemical systems containing nitrogen oxides (NOx = NO + NO2), VOCs, and SO2 are recommended to extend those previously made in NOx-VOC systemsen_US
dc.description.urihttp://gbic.tamug.edu/request.htmen_US
dc.historyen_US
dc.identifier.urihttp://hdl.handle.net/1969.3/23616
dc.latitudeen_US
dc.locationen_US
dc.longitudeen_US
dc.notesTimes Cited: 3ArticleEnglishBrock, C. ANOAA, Aeron Lab, Boulder, CO 80306 USACited References Count: 25661KN2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USAWASHINGTONen_US
dc.placeen_US
dc.publisheren_US
dc.relation.ispartofseries51269.00en_US
dc.relation.urien_US
dc.scaleen_US
dc.seriesen_US
dc.subjectaerosolsen_US
dc.subjectAGEen_US
dc.subjectdistributionen_US
dc.subjectDISTRIBUTIONSen_US
dc.subjectEMISSIONSen_US
dc.subjectFLORIDAen_US
dc.subjectFLUXESen_US
dc.subjectGASOLINEen_US
dc.subjectGROWTHen_US
dc.subjectGULFen_US
dc.subjectGULF-COASTen_US
dc.subjectHoustonen_US
dc.subjectHouston Ship Channelen_US
dc.subjectindustrialen_US
dc.subjectMATTERen_US
dc.subjectNITROGENen_US
dc.subjectORGANIC AEROSOLen_US
dc.subjectorganic matteren_US
dc.subjectORGANIC-COMPOUNDSen_US
dc.subjectORGANIC-MATTERen_US
dc.subjectOXIDATIONen_US
dc.subjectozone formationen_US
dc.subjectPARTICLESen_US
dc.subjectPARTICULATEen_US
dc.subjectPLANTen_US
dc.subjectPLUMEen_US
dc.subjectplumesen_US
dc.subjectPOWER-PLANT PLUMESen_US
dc.subjectSIZEen_US
dc.subjectSTRATOSPHEREen_US
dc.subjectSYSTEMSen_US
dc.subjectTEXASen_US
dc.subjectTXen_US
dc.subjectURBANen_US
dc.subjectUSAen_US
dc.subjectVOCen_US
dc.titleParticle growth in urban and industrial plumes in Texasen_US
dc.typeJournalen_US
dc.universityen_US
dc.vol-issue108(D3)en_US

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