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| DOI | 10.5194/acp-21-16793-2021 |
| Comment on "Isotopic evidence for dominant secondary production of HONO in near-ground wildfire plumes" by Chai et al. (2021) | |
| Roberts J.M. | |
| 发表日期 | 2021 |
| ISSN | 1680-7316 |
| 起始页码 | 16793 |
| 结束页码 | 16795 |
| 卷号 | 21期号:22 |
| 英文摘要 | Chai et al. (2021) recently published measurements of wildfire-derived (WF) oxides of nitrogen (NOx) and nitrous acid (HONO) and their isotopic composition. The method used to sample NOx, collection in alkaline solution, has a known 1:1 interference from another reactive nitrogen compound, acetyl peroxynitrate (PAN). Although PAN is thermally unstable, subsequent reactions with nitrogen dioxide (NO2) in effect extend the lifetime of PAN many times longer than the initial decomposition reaction would indicate. This, coupled with the rapid and efficient formation of PAN in WF plumes, means the NOx measurements reported by Chai et al. were severely impacted by PAN. In addition, the model reactions in the original paper included neither the reactions of NO2 with hydroxyl radical (OH) to form nitric acid nor the efficient reaction of larger organic radicals with nitric oxide to form organic nitrates (RONO2). © 2021 James M. Roberts. |
| 语种 | 英语 |
| scopus关键词 | atmospheric chemistry; atmospheric plume; decomposition; hydroxyl radical; isotopic composition; nitrate; nitric oxide; nitrogen; nitrous acid; wildfire |
| 来源期刊 | ATMOSPHERIC CHEMISTRY AND PHYSICS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/246433 |
| 作者单位 | Chemical Sciences Laboratory, NOAA ESRL, Boulder, CO, United States |
| 推荐引用方式 GB/T 7714 | Roberts J.M.. Comment on "Isotopic evidence for dominant secondary production of HONO in near-ground wildfire plumes" by Chai et al. (2021)[J],2021,21(22). |
| APA | Roberts J.M..(2021).Comment on "Isotopic evidence for dominant secondary production of HONO in near-ground wildfire plumes" by Chai et al. (2021).ATMOSPHERIC CHEMISTRY AND PHYSICS,21(22). |
| MLA | Roberts J.M.."Comment on "Isotopic evidence for dominant secondary production of HONO in near-ground wildfire plumes" by Chai et al. (2021)".ATMOSPHERIC CHEMISTRY AND PHYSICS 21.22(2021). |
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