| Nitrous acid emission from soil bacteria and related environmental effect over the North China Plain | |
| Feng, Tian1,2; Zhao, Shuyu3; Liu, Lang3; Long, Xin4; Gao, Chao1; Wu, Naicheng1 | |
| Corresponding Author | Gao, Chao(gaoqinchao1@163.com) |
| 2022 | |
| Source Publication | CHEMOSPHERE
 |
| ISSN | 0045-6535 |
| Volume | 287Pages:9 |
| Abstract | Soil bacteria could be one of the important sources for ambient HONO. However, the HONO emission from soil bacteria over North China Plain (NCP) with vast croplands has not yet been evaluated. In this study, high-resolution simulations are created to explore the HONO emission from soil bacteria over NCP and related in-fluences on atmospheric chemistry. Ground measurements of critical air pollutants including O-3, HONO, and PM2.5 compositions are incorporated to constrain the model simulations. Results show that abundant HONO is emitted from soil bacteria over NCP during summertime and the emission rate varies dramatically for different areas (about 0.2 kg km(-2) d(-1) - 2.0 kg km(-2) d(-1)). The HONO emission rate presents clear diurnal cycles with peaks of 1.5 kg km(-2) d(-1) in the afternoon and valleys of 0.4 kg km(-2) d(-1) during the early morning hours. The resulting HONO concentration ranges from 0.2 mu g m(-3) to 1.4 mu gm(-3), which predominates the total HONO concentration in ambient air, particularly in western NCP. The soil bacteria source can significantly alter the diurnal cycles of ambient HONO and OH concentrations over NCP, but only slightly change O-3 and PM2.5 concentrations via participating photochemistry and secondary aerosol formations. These results highlight the pressing need for the involvement of HONO emission from soil bacteria in modeling studies regarding atmo-spheric chemistry, particularly in rural areas. |
| Keyword | Nitrous acid Soil bacteria Cropland Air quality |
| DOI | 10.1016/j.chemosphere.2021.132034 |
| WOS Keyword | DIFFERENTIAL OPTICAL-ABSORPTION ; ORGANIC AEROSOL CONCENTRATIONS ; TIANJIN-HEBEI BTH ; HONO SOURCES ; MEXICO-CITY ; AIR-QUALITY ; WINTERTIME HAZE ; GUANZHONG BASIN ; RURAL SITE ; WRF-CHEM |
| Indexed By | SCI ; SCI |
| Language | 英语 |
| Funding Project | Natural Science Foundation of Zhejiang Province[LZ20D050001] ; National Natural Science Foundation of China[41703127] ; K. C. Wong Magna Fund in Ningbo University |
| WOS Research Area | Environmental Sciences & Ecology |
| Funding Organization | Natural Science Foundation of Zhejiang Province ; National Natural Science Foundation of China ; K. C. Wong Magna Fund in Ningbo University |
| WOS Subject | Environmental Sciences |
| WOS ID | WOS:000704979500003 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ieecas.cn/handle/361006/17098 |
| Collection | 粉尘与环境研究室 |
| Corresponding Author | Gao, Chao |
| Affiliation | 1.Ningbo Univ, Dept Geog & Spatial Informat Tech, Ningbo 315211, Zhejiang, Peoples R China 2.Ningbo Univ, Inst East China Sea, Ningbo 315211, Zhejiang, Peoples R China 3.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, SKLLQG, Xian 710061, Shaanxi, Peoples R China 4.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China |
| Recommended Citation GB/T 7714 | Feng, Tian,Zhao, Shuyu,Liu, Lang,et al. Nitrous acid emission from soil bacteria and related environmental effect over the North China Plain[J]. CHEMOSPHERE,2022,287:9. |
| APA | Feng, Tian,Zhao, Shuyu,Liu, Lang,Long, Xin,Gao, Chao,&Wu, Naicheng.(2022).Nitrous acid emission from soil bacteria and related environmental effect over the North China Plain.CHEMOSPHERE,287,9. |
| MLA | Feng, Tian,et al."Nitrous acid emission from soil bacteria and related environmental effect over the North China Plain".CHEMOSPHERE 287(2022):9. |
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