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A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry
Oxidation of isoprene by nitrate radicals (NO(3)) or by hydroxyl radicals (OH) under high NO(x) conditions forms a substantial amount of organonitrates (ONs). ONs impact NO(x) concentrations and consequently ozone formation while also contributing to secondary organic aerosol. Here we show that the...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
John Wiley and Sons Inc.
2022
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9285747/ https://www.ncbi.nlm.nih.gov/pubmed/35859850 http://dx.doi.org/10.1029/2021GL097366 |
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| author | Tsiligiannis, Epameinondas Wu, Rongrong Lee, Ben H. Salvador, Christian Mark Priestley, Michael Carlsson, Philip T. M. Kang, Sungah Novelli, Anna Vereecken, Luc Fuchs, Hendrik Mayhew, Alfred W. Hamilton, Jacqueline F. Edwards, Peter M. Fry, Juliane L. Brownwood, Bellamy Brown, Steven S. Wild, Robert J. Bannan, Thomas J. Coe, Hugh Allan, James Surratt, Jason D. Bacak, Asan Artaxo, Paul Percival, Carl Guo, Song Hu, Min Wang, Tao Mentel, Thomas F. Thornton, Joel A. Hallquist, Mattias |
| author_facet | Tsiligiannis, Epameinondas Wu, Rongrong Lee, Ben H. Salvador, Christian Mark Priestley, Michael Carlsson, Philip T. M. Kang, Sungah Novelli, Anna Vereecken, Luc Fuchs, Hendrik Mayhew, Alfred W. Hamilton, Jacqueline F. Edwards, Peter M. Fry, Juliane L. Brownwood, Bellamy Brown, Steven S. Wild, Robert J. Bannan, Thomas J. Coe, Hugh Allan, James Surratt, Jason D. Bacak, Asan Artaxo, Paul Percival, Carl Guo, Song Hu, Min Wang, Tao Mentel, Thomas F. Thornton, Joel A. Hallquist, Mattias |
| author_sort | Tsiligiannis, Epameinondas |
| collection | PubMed |
| description | Oxidation of isoprene by nitrate radicals (NO(3)) or by hydroxyl radicals (OH) under high NO(x) conditions forms a substantial amount of organonitrates (ONs). ONs impact NO(x) concentrations and consequently ozone formation while also contributing to secondary organic aerosol. Here we show that the ONs with the chemical formula C(4)H(7)NO(5) are a significant fraction of isoprene‐derived ONs, based on chamber experiments and ambient measurements from different sites around the globe. From chamber experiments we found that C(4)H(7)NO(5) isomers contribute 5%–17% of all measured ONs formed during nighttime and constitute more than 40% of the measured ONs after further daytime oxidation. In ambient measurements C(4)H(7)NO(5) isomers usually dominate both nighttime and daytime, implying a long residence time compared to C(5) ONs which are removed more rapidly. We propose potential nighttime sources and secondary formation pathways, and test them using a box model with an updated isoprene oxidation scheme. |
| format | Online Article Text |
| id | pubmed-9285747 |
| institution | National Center for Biotechnology Information |
| language | English |
| publishDate | 2022 |
| publisher | John Wiley and Sons Inc. |
| record_format | MEDLINE/PubMed |
| spelling | pubmed-92857472022-07-18 A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry Tsiligiannis, Epameinondas Wu, Rongrong Lee, Ben H. Salvador, Christian Mark Priestley, Michael Carlsson, Philip T. M. Kang, Sungah Novelli, Anna Vereecken, Luc Fuchs, Hendrik Mayhew, Alfred W. Hamilton, Jacqueline F. Edwards, Peter M. Fry, Juliane L. Brownwood, Bellamy Brown, Steven S. Wild, Robert J. Bannan, Thomas J. Coe, Hugh Allan, James Surratt, Jason D. Bacak, Asan Artaxo, Paul Percival, Carl Guo, Song Hu, Min Wang, Tao Mentel, Thomas F. Thornton, Joel A. Hallquist, Mattias Geophys Res Lett Research Letter Oxidation of isoprene by nitrate radicals (NO(3)) or by hydroxyl radicals (OH) under high NO(x) conditions forms a substantial amount of organonitrates (ONs). ONs impact NO(x) concentrations and consequently ozone formation while also contributing to secondary organic aerosol. Here we show that the ONs with the chemical formula C(4)H(7)NO(5) are a significant fraction of isoprene‐derived ONs, based on chamber experiments and ambient measurements from different sites around the globe. From chamber experiments we found that C(4)H(7)NO(5) isomers contribute 5%–17% of all measured ONs formed during nighttime and constitute more than 40% of the measured ONs after further daytime oxidation. In ambient measurements C(4)H(7)NO(5) isomers usually dominate both nighttime and daytime, implying a long residence time compared to C(5) ONs which are removed more rapidly. We propose potential nighttime sources and secondary formation pathways, and test them using a box model with an updated isoprene oxidation scheme. John Wiley and Sons Inc. 2022-05-26 2022-06-16 /pmc/articles/PMC9285747/ /pubmed/35859850 http://dx.doi.org/10.1029/2021GL097366 Text en © 2022. The Authors. https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
| spellingShingle | Research Letter Tsiligiannis, Epameinondas Wu, Rongrong Lee, Ben H. Salvador, Christian Mark Priestley, Michael Carlsson, Philip T. M. Kang, Sungah Novelli, Anna Vereecken, Luc Fuchs, Hendrik Mayhew, Alfred W. Hamilton, Jacqueline F. Edwards, Peter M. Fry, Juliane L. Brownwood, Bellamy Brown, Steven S. Wild, Robert J. Bannan, Thomas J. Coe, Hugh Allan, James Surratt, Jason D. Bacak, Asan Artaxo, Paul Percival, Carl Guo, Song Hu, Min Wang, Tao Mentel, Thomas F. Thornton, Joel A. Hallquist, Mattias A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry |
| title | A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry |
| title_full | A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry |
| title_fullStr | A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry |
| title_full_unstemmed | A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry |
| title_short | A Four Carbon Organonitrate as a Significant Product of Secondary Isoprene Chemistry |
| title_sort | four carbon organonitrate as a significant product of secondary isoprene chemistry |
| topic | Research Letter |
| url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9285747/ https://www.ncbi.nlm.nih.gov/pubmed/35859850 http://dx.doi.org/10.1029/2021GL097366 |
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