Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019JD032058 |
Potential Effect of Halogens on Atmospheric Oxidation and Air Quality in China | |
Li, Qinyi1; Badia, Alba1,2; Wang, Tao3; Sarwar, Golam4; Fu, Xiao3; Zhang, Li5,6,7; Zhang, Qiang8; Fung, Jimmy9; Cuevas, Carlos A.1; Wang, Shanshan10; Zhou, Bin10; Saiz-Lopez, Alfonso1,10 | |
2020-05-16 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2020 |
卷号 | 125期号:9 |
文章类型 | Article |
语种 | 英语 |
国家 | Spain; Peoples R China; USA |
英文摘要 | Air pollution has been a hazard in China over recent decades threatening the health of half a billion people. Much effort has been devoted to mitigating air pollution in China leading to a significant reduction in primary pollutants emissions from 2013 to 2017, while a continuously worsening trend of surface ozone (O-3, a secondary pollutant and greenhouse gas) was observed over the same period. Atmospheric oxidation, dominated by daytime reactions involving hydroxyl radicals (OH), is the critical process to convert freshly-emitted compounds into secondary pollutants, and is underestimated in current models of China's air pollution. Halogens (chlorine, bromine, and iodine) are known to profoundly influence oxidation chemistry in the marine environment; however, their impact on atmospheric oxidation and air pollution in China is unknown. In the present study, we report for the first time that halogens substantially enhance the total atmospheric oxidation capacity in polluted areas of China, typically 10% to 20% (up to 87% in winter) and mainly by significantly increasing OH level. The enhanced oxidation along the coast is driven by oceanic emissions, and that over the inland areas by anthropogenic emission. The extent and seasonality of halogen impact are largely explained by the dynamics of Asian monsoon, location and intensity of halogen emissions, and O-3 formation regime. The omission of halogen emissions and chemistry may lead to significant errors in historical re-assessments and future projections of the evolution of atmospheric oxidation in polluted regions. |
英文关键词 | reactive halogen oxidation air qualityS China WRF-Chem |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000536605500014 |
WOS关键词 | FINE PARTICULATE CHLORIDE ; HETEROGENEOUS N2O5 UPTAKE ; TROPOSPHERIC OZONE ; NITRYL CHLORIDE ; IODINE CHEMISTRY ; ANTHROPOGENIC EMISSIONS ; REACTIVE NITROGEN ; NITRATE FORMATION ; GLOBAL-MODEL ; IMPACT |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/280221 |
专题 | 气候变化 |
作者单位 | 1.CSIC, Dept Atmospher Chem & Climate, Inst Phys Chem Rocasolano, Madrid, Spain; 2.UAB, Inst Environm Sci & Technol ICTA, Barcelona, Spain; 3.Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Peoples R China; 4.US EPA, Natl Exposure Res Lab, Res Triangle Pk, NC 27711 USA; 5.Princeton Univ, Atmospher & Ocean Sci, Princeton, NJ 08544 USA; 6.NOAA, Geophys Fluid Dynam Lab, Princeton, NJ USA; 7.Penn State Univ, Dept Meteorol & Atmospher Sci, University Pk, PA 16802 USA; 8.Tsinghua Univ, Dept Earth Syst Sci, Beijing, Peoples R China; 9.Hong Kong Univ Sci & Technol, Div Environm & Sustainabil, Hong Kong, Peoples R China; 10.Fudan Univ, Dept Environm Sci & Engn, Shanghai, Peoples R China |
推荐引用方式 GB/T 7714 | Li, Qinyi,Badia, Alba,Wang, Tao,et al. Potential Effect of Halogens on Atmospheric Oxidation and Air Quality in China[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2020,125(9). |
APA | Li, Qinyi.,Badia, Alba.,Wang, Tao.,Sarwar, Golam.,Fu, Xiao.,...&Saiz-Lopez, Alfonso.(2020).Potential Effect of Halogens on Atmospheric Oxidation and Air Quality in China.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,125(9). |
MLA | Li, Qinyi,et al."Potential Effect of Halogens on Atmospheric Oxidation and Air Quality in China".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 125.9(2020). |
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