Nonmethane hydrocarbon measurements in the North Atlantic Flight Corridor during the Subsonic Assessment Ozone and Nitrogen Oxide Experiment

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dc.contributor.authorSimpson, I. J.
dc.contributor.authorSive, B. C.
dc.contributor.authorBlake, D. R.
dc.contributor.authorBlake, N. J.
dc.contributor.authorChen, T.-Y.
dc.contributor.authorLopez, J. P.
dc.contributor.authorAnderson, B. E.
dc.contributor.authorSachse, G. W.
dc.contributor.authorVay, S. A.
dc.contributor.authorFuelberg, H. E.
dc.contributor.authorKondo, Y.
dc.contributor.authorThompson, Anne M.
dc.contributor.authorRowland, F. S.
dc.date.accessioned2024-07-26T16:34:12Z
dc.date.available2024-07-26T16:34:12Z
dc.date.issued2000-02-01
dc.description.abstractMixing ratios of nonmethane hydrocarbons (NMHCs) were not enhanced in whole air samples collected within the North Atlantic Flight Corridor (NAFC) during the fall of 1997. The investigation was conducted aboard NASA's DC-8 research aircraft, as part of the Subsonic Assessment (SASS) Ozone and Nitrogen Oxide Experiment (SONEX). NMHC enhancements were not detected within the general organized tracking system of the NAFC, nor during two tail chases of the DC-8's own exhaust. Because positive evidence of aircraft emissions was demonstrated by enhancements in both nitrogen oxides and condensation nuclei during SONEX, the NMHC results suggest that the commercial air traffic fleet operating in the North Atlantic region does not contribute at all or contributes negligibly to NMHCs in the NAFC.
dc.description.sponsorshipIt is a pleasure to thank the research team at UCIrvine for their outstanding work through out the SONEX mission,especially PasqualeAvino, John Bilicska,Nancy Ciszkowski, Adam Hill, Paul Holler, Jenn Lapierre,Brent Love, Murray McEachern,and BarbaraYu. We are also grateful to the ground and flight crews from NASA Ames,who were always available and willing to help. We would like to thank Brian Ridley, Hanwant Singh, and Jonah Colman for helpful consultations during the preparation of this manuscript, and two anonymous reviewers for their constructive input.The SONEX 5-min data merge and the NMHC and NO lifetimes were generated by LyattJaeg16.The research was fundedby NASA grant NAG-2-1102.
dc.description.urihttps://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/1999JD900750
dc.format.extent9 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m2d45m-pbof
dc.identifier.citationSimpson, I. J., B. C. Sive, D. R. Blake, N. J. Blake, T.-Y. Chen, J. P. Lopez, B. E. Anderson, et al. “Nonmethane Hydrocarbon Measurements in the North Atlantic Flight Corridor during the Subsonic Assessment Ozone and Nitrogen Oxide Experiment.” Journal of Geophysical Research: Atmospheres 105, no. D3 (2000): 3785–93. https://doi.org/10.1029/1999JD900750.
dc.identifier.urihttps://doi.org/10.1029/1999JD900750
dc.identifier.urihttp://hdl.handle.net/11603/34936
dc.language.isoen_US
dc.publisherAGU
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC GESTAR II
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.titleNonmethane hydrocarbon measurements in the North Atlantic Flight Corridor during the Subsonic Assessment Ozone and Nitrogen Oxide Experiment
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-7829-0920

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