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| DOI | 10.1038/s41612-018-0035-7 |
| Steady states and transport processes in urban ozone balances | |
| Khalil M.A.K. | |
| 发表日期 | 2018 |
| ISSN | 23973722 |
| 卷号 | 1期号:1 |
| 英文摘要 | Core chemical theory is combined with transport processes and local emissions to study the validity of commonly made assumptions regarding steady states to interpret urban and regional ozone data. It is shown that photo-stationary states of NO and NO2 cannot exist in urban areas or polluted regions in addition to the lack of such a state for ozone. Calculations in published papers, which make the assumption of a photo-stationary state for NO and NO2, or ozone, are likely to be inaccurate by unacceptable amounts. The Leighton Ratio is re-interpreted to show how it incorporates both the peroxy radical and transport effects on ozone, separating local chemical production from its transport. To illustrate the concepts and test the assumptions, hourly observations of ozone and its precursors from Yanbu in Saudi Arabia are analyzed. The major role of local transport processes and a large import of ozone at night, probably from aloft, are uncovered as a by-product. © 2018, The Author(s). |
| 语种 | 英语 |
| scopus关键词 | air quality; atmospheric chemistry; atmospheric pollution; emission inventory; nitrogen dioxide; nitrogen oxides; ozone; transport process; urban area; urban atmosphere; Madinah; Saudi Arabia; Yanbu |
| 来源期刊 | npj Climate and Atmospheric Science
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/178127 |
| 作者单位 | Department of Physics, Portland State University, P.O. Box 751, Portland, OR 97207, United States |
| 推荐引用方式 GB/T 7714 | Khalil M.A.K.. Steady states and transport processes in urban ozone balances[J],2018,1(1). |
| APA | Khalil M.A.K..(2018).Steady states and transport processes in urban ozone balances.npj Climate and Atmospheric Science,1(1). |
| MLA | Khalil M.A.K.."Steady states and transport processes in urban ozone balances".npj Climate and Atmospheric Science 1.1(2018). |
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