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Use of the PSCF method to analyze the variations of potential sources and transports of NO2, SO2, and HCHO observed by MAX-DOAS in Nanjing, China during 2019

文献类型：期刊论文

作者Ren, Bo1,4; Xie, Pinhua1,2,3,4,5; Xu, Jin1; Li, Ang1; Tian, Xin1,3; Hu, Zhaokun1; Huang, Yeyuan1; Li, Xiaomei1; Zhang, Qiang1,4; Ren, Hongmei1
刊名SCIENCE OF THE TOTAL ENVIRONMENT
出版日期2021-08-15
卷号782
ISSN号0048-9697
关键词MAX-DOAS PSCF Polluted gases Regional transport Potential sources
DOI10.1016/j.scitotenv.2021.146865
通讯作者Xie, Pinhua(phxie@aiofm.ac.cn) ; Xu, Jin(jxu@aiofm.ac.cn)
英文摘要Although the government of Nanjing implemented the more stringent atmospheric control measures during the second half of 2019, compared with the same period in 2018, the air pollution has increased unexpectedly, such as the O-3 pollution and the acid rain. In this study, therefore, we performed observations of the vertical structures of the precursors (NO2, SO2, and HCHO) that caused the pollutions in Nanjing using the Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) instrument during the daytime of 2019. The concentration of NO2 was found to be concentrated primarily within 200 m of the surface and decayed sharply with height, although the profiles of SO2 and HCHO could extend to higher altitudes than NO2. Then, the potential source contribution function (PSCF) was used to analyze the source distributions in different atmospheric layers of Nanjing's pollutants during different seasons. The results reveal that the downtown and north of Nanjing with the WPSCF is greater than 0.6 constitute the most important potential source areas. Moreover, potential sources in south-central Jiangsu Province (in the summer and autumn) and east-central Anhui Province (in the winter) are also non-negligible (0.4 < WPSCF < 0.6). The transports of SO2 and HCHO from southeastern Anhui and south-central Jiangsu become stronger in the middle and upper layers (WPSCF > 0.5) than transports in the lower layer (0.3 < WPSCF < 0.5). In terms of altitude, the NO2 (SO2) contribution of long-range transport to the research area in the lower, middle, and upper layers accounted for 13% (20%), 11% (32%), and 8% (45%) of the averaged concentration, respectively. The results indicate that there are the significant SO2 transports from the NW (19.08%) and W (18.64%) orientations, while the most of the NO2 transports are approximately 13% in the lower layer, with the main orientations of W (7.29%) and N (6.40%). (C) 2021 Elsevier B.V. All rights reserved.
WOS关键词YANGTZE-RIVER DELTA ; ABSORPTION CROSS-SECTIONS ; AIR-QUALITY ; TROPOSPHERIC AEROSOLS ; HAZE POLLUTION ; OZONE ; FORMALDEHYDE ; NM ; VOCS ; EXTINCTION
资助项目National Natural Science Foundation of China[41530644] ; National Natural Science Foundation of China[41975037] ; National Natural Science Foundation of China[41775029] ; National Key Research and Development Program of China[2017YFC0209902] ; National Key Research and Development Program of China[2018YFC0213201] ; National Key Research and Development Program of China[2018YFC0213801] ; Natural Science Foundation of Anhui Province[2008085QD183] ; Natural Science Foundation of Anhui Province[2008085QD182] ; Science and Technology Commission of Shanghai Municipality[17DZ1203102]
WOS研究方向Environmental Sciences & Ecology
语种英语
出版者ELSEVIER
WOS记录号WOS:000655626300008
资助机构National Natural Science Foundation of China ; National Key Research and Development Program of China ; Natural Science Foundation of Anhui Province ; Science and Technology Commission of Shanghai Municipality
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/123703]  
专题中国科学院合肥物质科学研究院
通讯作者Xie, Pinhua; Xu, Jin
作者单位1.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, HFIPS, Hefei 230031, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Anhui Univ, Inst Phys Sci & Informat Technol, Hefei 230601, Peoples R China
4.Univ Sci & Technol China, Sch Environm Sci & Optoelect Technol, Hefei 230026, Peoples R China
5.Chinese Acad Sci, Inst Urban Environm, CAS Ctr Excellence Urban Atmospher Environm, Xiamen 361021, Peoples R China
推荐引用方式
GB/T 7714		 Ren, Bo,Xie, Pinhua,Xu, Jin,et al. Use of the PSCF method to analyze the variations of potential sources and transports of NO2, SO2, and HCHO observed by MAX-DOAS in Nanjing, China during 2019[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,782.
APA Ren, Bo.,Xie, Pinhua.,Xu, Jin.,Li, Ang.,Tian, Xin.,...&Ji, Hongcheng.(2021).Use of the PSCF method to analyze the variations of potential sources and transports of NO2, SO2, and HCHO observed by MAX-DOAS in Nanjing, China during 2019.SCIENCE OF THE TOTAL ENVIRONMENT,782.
MLA Ren, Bo,et al."Use of the PSCF method to analyze the variations of potential sources and transports of NO2, SO2, and HCHO observed by MAX-DOAS in Nanjing, China during 2019".SCIENCE OF THE TOTAL ENVIRONMENT 782(2021).

入库方式： OAI收割

来源：合肥物质科学研究院

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