New measurements reveal a large contribution of nitrogenous molecules to ambient organic aerosol
文献类型：期刊论文
| 作者 | Yu, Xu6,7; Li, Qianfeng5; Liao, Kezheng5; Li, Yumin6,9; Wang, Xinming10,11; Zhou, Yang1,2,3; Liang, Yongmei4; Yu, Jian Zhen5,6,7,8 |
| 刊名 | NPJ CLIMATE AND ATMOSPHERIC SCIENCE
 |
| 出版日期 | 2024-03-15 |
| 卷号 | 7期号:1页码:9 |
| ISSN号 | 2397-3722 |
| DOI | 10.1038/s41612-024-00620-6 |
| 英文摘要 | Nitrogen is a significant element that constitutes ambient organic aerosol. Individual N-containing organic molecules are known to have both natural and anthropogenic sources and implicated in a wide-ranging health and environmental effects. Yet, unlike carbon (C), the total quantity of aerosol organic nitrogen (ON) remains largely unquantified, hindering a quantitative understanding of their major sources and impacts. Here, aerosol ON is quantitatively surveyed in hundreds of aerosol filter samples collected from sites of varying urban influence in China using our recently developed method that permits simple, and yet sensitive, simultaneous detection of inorganic and organic nitrogen. Annual average ON concentration was in the range of 0.4-1.4 mu g N m(-3), representing 17-31% of aerosol total nitrogen. Monte Carlo simulations constrained by paired ON and OC measurements suggest N-containing organic molecules contributed typically 37-50%, with a 95% confidence interval of [12%, 94%], to ambient organic aerosols. Source apportionment analysis reveals that biomass burning and secondary formation are dominant ON sources, accounting for 21-24% and similar to 30% of ON, respectively. Primary biological aerosol is also a significant source of ON (7-18%), with its contribution more prominent in non-urban atmospheres. The results provide the quantitative data for the extent of presence of organic nitrogenous aerosol and the origin of their major sources. Such data, we anticipate, would bring forth a breakthrough in our ability to describe and model organic aerosols and to assess their environmental impacts, such as atmospheric nitrogen nutrient inputs to ecosystems. |
| WOS研究方向 | Meteorology & Atmospheric Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:001185882800001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/77324]  |
| 专题 | 有机地球化学国家重点实验室 |
| 通讯作者 | Yu, Jian Zhen |
| 作者单位 | 1.Ocean Univ China, Frontier Sci Ctr Deep Ocean Multispheres & Earth S, Qingdao, Shandong, Peoples R China 2.Ocean Univ China, Phys Oceanog Lab, Qingdao, Shandong, Peoples R China 3.Ocean Univ China, Coll Ocean & Atmospher Sci, Qingdao, Shandong, Peoples R China 4.China Univ Petr, State Key Lab Heavy Oil Proc, Beijing, Peoples R China 5.Hong Kong Univ Sci & Technol, Dept Chem, Hong Kong, Peoples R China 6.Hong Kong Univ Sci & Technol, Div Environm & Sustainabil, Hong Kong, Peoples R China 7.Hong Kong Univ Sci & Technol, Ctr Ocean Res Honng Kong & Macau, Hong Kong, Peoples R China 8.Hong Kong Univ Sci & Technol, Fok Ying Tung Grad Res Inst, Guangzhou, Peoples R China 9.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen, Guangdong, Peoples R China 10.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yu, Xu,Li, Qianfeng,Liao, Kezheng,et al. New measurements reveal a large contribution of nitrogenous molecules to ambient organic aerosol[J]. NPJ CLIMATE AND ATMOSPHERIC SCIENCE,2024,7(1):9. |
| APA | Yu, Xu.,Li, Qianfeng.,Liao, Kezheng.,Li, Yumin.,Wang, Xinming.,...&Yu, Jian Zhen.(2024).New measurements reveal a large contribution of nitrogenous molecules to ambient organic aerosol.NPJ CLIMATE AND ATMOSPHERIC SCIENCE,7(1),9. |
| MLA | Yu, Xu,et al."New measurements reveal a large contribution of nitrogenous molecules to ambient organic aerosol".NPJ CLIMATE AND ATMOSPHERIC SCIENCE 7.1(2024):9. |
入库方式： OAI收割
来源：广州地球化学研究所
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