Observations of VOC emissions and photochemical products over US oil- and gas-producing regions using high-resolution H₃O⁺ CIMS (PTR-ToF-MS)

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dc.contributor.authorKoss, Abigail
dc.contributor.authorYuan, Bin
dc.contributor.authorWarneke, Carsten
dc.contributor.authorGilman, Jessica B.
dc.contributor.authorLerner, Brian M.
dc.contributor.authorVeres, Patrick R.
dc.contributor.authorPeischl, Jeff
dc.contributor.authorEilerman, Scott
dc.contributor.authorWild, Rob
dc.contributor.authorBrown, Steven S.
dc.contributor.authorThompson, Chelsea R.
dc.contributor.authorRyerson, Thomas
dc.contributor.authorHanisco, Thomas
dc.contributor.authorWolfe, Glenn M.
dc.contributor.authorSt. Clair, Jason
dc.contributor.authorThayer, Mitchell
dc.contributor.authorKeutsch, Frank N.
dc.contributor.authorMurphy, Shane
dc.contributor.authorGouw, Joost de
dc.date.accessioned2020-06-16T17:04:53Z
dc.date.available2020-06-16T17:04:53Z
dc.date.issued2017-08-16
dc.description.abstractVOCs related to oil and gas extraction operations in the United States were measured by H₃O⁺ chemical ionization time-of-flight mass spectrometry (H₃O⁺ ToF-CIMS/PTR-ToF-MS) from aircraft during the Shale Oil and Natural Gas Nexus (SONGNEX) campaign in March–April 2015. This work presents an overview of major VOC species measured in nine oil- and gas-producing regions, and a more detailed analysis of H₃O⁺ ToF-CIMS measurements in the Permian Basin within Texas and New Mexico. Mass spectra are dominated by small photochemically produced oxygenates and compounds typically found in crude oil: aromatics, cyclic alkanes, and alkanes. Mixing ratios of aromatics were frequently as high as those measured downwind of large urban areas. In the Permian, the H₃O⁺ ToF-CIMS measured a number of underexplored or previously unreported species, including aromatic and cycloalkane oxidation products, nitrogen heterocycles including pyrrole (C₄H₅N) and pyrroline (C₄H₇N), H₂S, and a diamondoid (adamantane) or unusual monoterpene. We additionally assess the specificity of a number of ion masses resulting from H₃O⁺ ion chemistry previously reported in the literature, including several new or alternate interpretations.en_US
dc.description.sponsorshipAbigail Koss acknowledges funding from the National Science Foundation (NSF) Graduate Fellowship Program. We thank the NOAA Aircraft Operations Center for their support with instrument installation on the NOAA WP-3D, research flights, and meteorological and aircraft data. We thank Ralf Staebler (Environment and Climate Change Canada) for the use of the Picarro H2S instrument. We thank Andy Neuman for his scientific advice and thoughtful comments on the manuscript. Thomas Hanisco, Glenn M. Wolfe, Jason M. St. Clair, Mitchell Thayer, and Frank N. Keutsch acknowledge NASA GEOstationary Coastal and Air Pollution Events (GEO-CAPE) award number NNX15AH83G for funding.en_US
dc.description.urihttps://amt.copernicus.org/articles/10/2941/2017/en_US
dc.format.extent28 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2xp2b-gasz
dc.identifier.citationKoss, A., Yuan, B., Warneke, C., Gilman, J. B., Lerner, B. M., Veres, P. R., Peischl, J., Eilerman, S., Wild, R., Brown, S. S., Thompson, C. R., Ryerson, T., Hanisco, T., Wolfe, G. M., Clair, J. M. St., Thayer, M., Keutsch, F. N., Murphy, S., and de Gouw, J.: Observations of VOC emissions and photochemical products over US oil- and gas-producing regions using high-resolution H₃O⁺ CIMS (PTR-ToF-MS), Atmos. Meas. Tech., 10, 2941–2968, https://doi.org/10.5194/amt-10-2941-2017, 2017.en_US
dc.identifier.urihttps://doi.org/10.5194/amt-10-2941-2017
dc.identifier.urihttp://hdl.handle.net/11603/18902
dc.language.isoen_USen_US
dc.publisherCopernicus Publicationsen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Physics Department
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
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.titleObservations of VOC emissions and photochemical products over US oil- and gas-producing regions using high-resolution H₃O⁺ CIMS (PTR-ToF-MS)en_US
dc.typeTexten_US

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