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DOI | 10.1029/2019JD031935 |
Impacts of Emissions of C2-C5 Alkanes From the U.S. Oil and Gas Sector on Ozone and Other Secondary Species | |
Tzompa-Sosa Z.A.; Fischer E.V. | |
发表日期 | 2021 |
ISSN | 2169897X |
卷号 | 126期号:1 |
英文摘要 | Inside many U.S. oil and gas-producing regions, the oil and gas sector dominates local anthropogenic emission fluxes of C2-C5 alkanes. Here, we present a detailed analysis of the impact of these emissions on secondary species production over the continental United States using the GEOS-Chem model. Oil- and gas-producing areas in the central United States show the highest summertime surface ozone (O3) enhancements due to oil and gas C2-C5 alkane emissions. The Colorado Front Range is the most impacted 8-hr O3 non-attainment area in the United States with 3-hr daytime instantaneous O3 enhancements >4 ppb. From three selected non-attainment areas, the Colorado Front Range has (1) the lowest monthly mean VOC reactivity (1.5 s−1); (2) the highest percent contribution of oil and gas sources (52%) to calculated VOC reactivity; and (3) the largest relative increases in PAN (peroxyacetyl nitrate), PPN (peroxypropionyl nitrate), and >C4 alkyl nitrates. Enhanced abundances of PAN, PPN, and >C4 alkyl nitrates have the potential to perturb remote O3 production through increased NOx export to remote regions via PAN chemistry. Globally, simulated C2-C5 alkane emissions from the U.S. oil and gas sector contribute 0.5 Tg (~0.17%) to the tropospheric O3 burden with a ~0.27% contribution in the Northern Hemisphere. ©2020. American Geophysical Union. All Rights Reserved. |
英文关键词 | alkanes; oil and gas; ozone; PAN; PPN; secondary species |
语种 | 英语 |
来源期刊 | Journal of Geophysical Research: Atmospheres |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/185565 |
作者单位 | Department of Atmospheric Science, Colorado State University, Fort Collins, CO, United States |
推荐引用方式 GB/T 7714 | Tzompa-Sosa Z.A.,Fischer E.V.. Impacts of Emissions of C2-C5 Alkanes From the U.S. Oil and Gas Sector on Ozone and Other Secondary Species[J],2021,126(1). |
APA | Tzompa-Sosa Z.A.,&Fischer E.V..(2021).Impacts of Emissions of C2-C5 Alkanes From the U.S. Oil and Gas Sector on Ozone and Other Secondary Species.Journal of Geophysical Research: Atmospheres,126(1). |
MLA | Tzompa-Sosa Z.A.,et al."Impacts of Emissions of C2-C5 Alkanes From the U.S. Oil and Gas Sector on Ozone and Other Secondary Species".Journal of Geophysical Research: Atmospheres 126.1(2021). |
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