| Insights into particulate matter pollution in the North China Plain during wintertime: local contribution or regional transport? | |
| Wu, Jiarui1,2; Bei, Naifang3; Wang, Yuan4; Li, Xia1,2; Liu, Suixin1,2; Liu, Lang1,2; Wang, Ruonan1,2; Yu, Jiaoyang1; Le, Tianhao4; Zuo, Min1,2; Shen, Zhenxing3; Cao, Junji1,2; Tie, Xuexi1; Li, Guohui1,2 | |
| Corresponding Author | Li, Guohui(ligh@ieecas.cn) |
| 2021-02-15 | |
| Source Publication | ATMOSPHERIC CHEMISTRY AND PHYSICS
 |
| ISSN | 1680-7316 |
| Volume | 21Issue:3Pages:2229-2249 |
| Abstract | Accurate identification and quantitative source apportionment of fine particulate matter (PM2.5) provide an important prerequisite for design and implementation of emission control strategies to reduce PM pollution. Therefore, a source-oriented version of the WRF-Chem model is developed in the study to conduct source apportionment of PM2.5 in the North China Plain (NCP). A persistent and heavy haze event that occurred in the NCP from 5 December 2015 to 4 January 2016 is simulated using the model as a case study to quantify PM2.5 contributions of local emissions and regional transport. Results show that local and nonlocal emissions contribute 36.3 % and 63.7 % of the PM2.5 mass in Beijing during the haze event on average. When Beijing's air quality is excellent or good in terms of hourly PM(2)(.5 )concentrations, local emissions dominate the PM(2)(.5 )mass, with contributions exceeding 50 %. However, when the air quality is severely polluted, the PM2.5 contribution of nonlocal emissions is around 75 %. Nonlocal emissions also dominate Tianjin's air quality, with average PM2.5 contributions exceeding 65 %. The PM2.5 level in Hebei and Shandong is generally controlled by local emissions, but in Henan, local and nonlocal emissions play an almost equivalent role in the PM2.5 level, except when the air quality is severely polluted, with nonlocal PM2.5 contributions of over 60 %. Additionally, the primary aerosol species are generally dominated by local emissions, with the average contribution exceeding 50 %. However, the source apportionment of secondary aerosols shows more evident regional characteristics. Therefore, except for cooperation with neighboring provinces to carry out strict emission mitigation measures, reducing primary aerosols is a priority to alleviate PM pollution in the NCP, especially in Beijing and Tianjin. |
| DOI | 10.5194/acp-21-2229-2021 |
| Indexed By | SCI ; SCI |
| Language | 英语 |
| Funding Project | Strategic Priority Research Program of the Chinese Academy of Sciences[XDB40030203] ; National Key R&D Plan (Quantitative Relationship and Regulation Principle between Regional Oxidation Capacity of Atmospheric and Air Quality)[2017YFC0210000] ; National Research Program for Key Issues in Air Pollution Control[DQGG0105] |
| WOS Research Area | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
| Funding Organization | Strategic Priority Research Program of the Chinese Academy of Sciences ; National Key R&D Plan (Quantitative Relationship and Regulation Principle between Regional Oxidation Capacity of Atmospheric and Air Quality) ; National Research Program for Key Issues in Air Pollution Control |
| WOS Subject | Environmental Sciences ; Meteorology & Atmospheric Sciences |
| WOS ID | WOS:000619828400005 |
| Publisher | COPERNICUS GESELLSCHAFT MBH |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ieecas.cn/handle/361006/16134 |
| Collection | 粉尘与环境研究室 第四纪科学与全球变化卓越创新中心 |
| Corresponding Author | Li, Guohui |
| Affiliation | 1.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, SKLLQG, Xian 710061, Peoples R China 2.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China 3.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Peoples R China 4.CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA |
| Recommended Citation GB/T 7714 | Wu, Jiarui,Bei, Naifang,Wang, Yuan,et al. Insights into particulate matter pollution in the North China Plain during wintertime: local contribution or regional transport?[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2021,21(3):2229-2249. |
| APA | Wu, Jiarui.,Bei, Naifang.,Wang, Yuan.,Li, Xia.,Liu, Suixin.,...&Li, Guohui.(2021).Insights into particulate matter pollution in the North China Plain during wintertime: local contribution or regional transport?.ATMOSPHERIC CHEMISTRY AND PHYSICS,21(3),2229-2249. |
| MLA | Wu, Jiarui,et al."Insights into particulate matter pollution in the North China Plain during wintertime: local contribution or regional transport?".ATMOSPHERIC CHEMISTRY AND PHYSICS 21.3(2021):2229-2249. |
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