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Wintertime nitrate formation during haze days in the Guanzhong basin, China: A case study
Feng, Tian1,2,3; Bei, Naifang2; Zhao, Shuyu1; Wu, Jiarui1; Li, Xia1; Zhang, Ting1; Cao, Junji1,2; Zhou, Weijian1,3; Li, Guohui1
通讯作者Li, Guohui(ligh@ieecas.cn)
2018-12-01
发表期刊ENVIRONMENTAL POLLUTION
ISSN0269-7491
卷号243页码:1057-1067
摘要In this study, the formation of nitrate aerosol from 16 to 24 December 2015 in the Guanzhong basin, China is simulated using the WRF-Chem model. The predicted near-surface O-3, NO2, and fine particulate matters (PM2.5) in the basin and inorganic aerosols and nitrous acid (HONO) in Xi'an are generally in good agreement with the observations. Sensitivity studies show that the heterogeneous HONO sources play an appreciable role in the nitrate formation in the basin, contributing 9.2% of nitrate mass concentrations during heavy haze days. Nitrate formation is also affected by sulfate due to their competition for ammonia, particularly in urban areas. A 50% decrease in SO2 emissions enhances the nitrate concentration by 6.2% during heavy haze days on average in the basin, and a 50% increase in SO2 emission reduces the nitrate concentration by 9.7%. The roles of HONO and sulfate competition in nitrate formation are strongly modulated by ammonia. Agricultural emissions predominate the nitrate level in the basin (93.5%), but the non-agricultural sources cannot substantially influence nitrate formation (3.7%-14.6%). Reducing agricultural emission is an effective control strategy to mitigate nitrate pollution in the basin. (C) 2018 Elsevier Ltd. All rights reserved.
关键词Nitrate PM2.5 HONO WRF-Chem
DOI10.1016/j.envpol.2018.09.069
关键词[WOS]ORGANIC AEROSOL CONCENTRATIONS ; FINE-PARTICULATE MATTER ; CITY METROPOLITAN-AREA ; SOLUBLE INORGANIC-IONS ; BLACK CARBON AEROSOL ; MEXICO-CITY ; AIR-QUALITY ; HONO SOURCES ; METEOROLOGICAL UNCERTAINTIES ; MCMA-2006/MILAGRO CAMPAIGN
收录类别SCI ; SCI
语种英语
资助项目National Key R&D Plan (Quantitative Relationship and Regulation Principle between Regional Oxidation Capacity of Atmosphere and Air Quality)[2017YFC0210000] ; National Natural Science Foundation of China[41703127] ; National Natural Science Foundation of China[41430424] ; National Natural Science Foundation of China[41661144020]
WOS研究方向Environmental Sciences & Ecology
项目资助者National Key R&D Plan (Quantitative Relationship and Regulation Principle between Regional Oxidation Capacity of Atmosphere and Air Quality) ; National Natural Science Foundation of China
WOS类目Environmental Sciences
WOS记录号WOS:000449892700029
出版者ELSEVIER SCI LTD
引用统计
被引频次:36[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/14578
专题粉尘与环境研究室
通讯作者Li, Guohui
作者单位1.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, SKLLQG, Xian, Shaanxi, Peoples R China
2.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian, Shaanxi, Peoples R China
3.Xian Accelerator Mass Spectrometry Ctr, Xian, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Feng, Tian,Bei, Naifang,Zhao, Shuyu,et al. Wintertime nitrate formation during haze days in the Guanzhong basin, China: A case study[J]. ENVIRONMENTAL POLLUTION,2018,243:1057-1067.
APA Feng, Tian.,Bei, Naifang.,Zhao, Shuyu.,Wu, Jiarui.,Li, Xia.,...&Li, Guohui.(2018).Wintertime nitrate formation during haze days in the Guanzhong basin, China: A case study.ENVIRONMENTAL POLLUTION,243,1057-1067.
MLA Feng, Tian,et al."Wintertime nitrate formation during haze days in the Guanzhong basin, China: A case study".ENVIRONMENTAL POLLUTION 243(2018):1057-1067.
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