[1] LI X R, ZHANG C L, LIU P F, et al. Significant influence of the intensive agricultural activities on atmospheric PM2.5 during autumn harvest seasons in a rural area of the North China Plain [J]. Atmospheric Environment, 2020, 241: 117844. doi: 10.1016/j.atmosenv.2020.117844
[2] CHENG Z, LUO L N, WANG S X, et al. Status and characteristics of ambient PM2.5 pollution in global megacities [J]. Environment International, 2016, 89/90: 212-221. doi: 10.1016/j.envint.2016.02.003
[3] 王国祯, 任万辉, 于兴娜, 等. 沈阳市冬季大气PM2.5中水溶性离子污染特征及来源解析 [J]. 环境科学, 2021, 42(1): 30-37. WANG G Z, REN W H, YU X N, et al. Characteristics and sources of water-soluble ion pollution in PM2.5 in winter in Shenyang [J]. Environmental Science, 2021, 42(1): 30-37(in Chinese).
[4] XIAO H, XIAO H Y, ZHANG Z Y, et al. Chemical characteristics of major inorganic ions in PM2.5 based on year-long observations in Guiyang, southwest China—Implications for formation pathways and the influences of regional transport [J]. Atmosphere, 2020, 11(8): 847. doi: 10.3390/atmos11080847
[5] 赵晴, 李岩岩, 贺克斌, 等. 2019年元宵节重污染期间济宁市PM2.5化学组分特征及污染成因分析 [J]. 环境化学, 2020, 39(4): 900-910. doi: 10.7524/j.issn.0254-6108.2019090902 ZHAO Q, LI Y Y, HE K B, et al. Analysis of PM2.5 chemical characteristics and causes during heavy pollution in Jining City around the Lantern Festival of 2019 [J]. Environmental Chemistry, 2020, 39(4): 900-910(in Chinese). doi: 10.7524/j.issn.0254-6108.2019090902
[6] WANG T Y, HUANG X, WANG Z L, et al. Secondary aerosol formation and its linkage with synoptic conditions during winter haze pollution over Eastern China [J]. Science of the Total Environment, 2020, 730: 138888. doi: 10.1016/j.scitotenv.2020.138888
[7] CHENG Y, YU Q Q, LIU J M, et al. Secondary inorganic aerosol during heating season in a megacity in Northeast China: Evidence for heterogeneous chemistry in severe cold climate region [J]. Chemosphere, 2020, 261: 127769. doi: 10.1016/j.chemosphere.2020.127769
[8] 肖致美, 武婷, 卫昱婷, 等. 天津市PM2.5中二次硝酸盐形成及防控 [J]. 环境科学, 2021, 42(6): 2616-2625. XIAO Z M, WU T, WEI Y T, et al. Formation and prevention of secondary nitrate in PM2.5 in Tianjin [J]. Environmental Science, 2021, 42(6): 2616-2625(in Chinese).
[9] 姚青, 韩素芹, 蔡子颖. 2011年冬季天津PM2.5及其二次组分的污染特征分析 [J]. 环境化学, 2013, 32(2): 313-318. doi: 10.7524/j.issn.0254-6108.2013.02.020 YAO Q, HAN S Q, CAI Z Y. Pollution characteristics of PM2.5 and secondary components in the winter in Tianjin [J]. Environmental Chemistry, 2013, 32(2): 313-318(in Chinese). doi: 10.7524/j.issn.0254-6108.2013.02.020
[10] GUO Z Y, GUO Q J, CHEN S L, et al. Study on pollution behavior and sulfate formation during the typical haze event in Nanjing with water soluble inorganic ions and sulfur isotopes [J]. Atmospheric Research, 2019, 217: 198-207. doi: 10.1016/j.atmosres.2018.11.009
[11] GAO J, WEI Y T, SHI G L, et al. Roles of RH, aerosol pH and sources in concentrations of secondary inorganic aerosols, during different pollution periods [J]. Atmospheric Environment, 2020, 241: 117770. doi: 10.1016/j.atmosenv.2020.117770
[12] ZHANG X, ZHANG K, LIU H P, et al. Pollution sources of atmospheric fine particles and secondary aerosol characteristics in Beijing [J]. Journal of Environmental Sciences, 2020, 95: 91-98. doi: 10.1016/j.jes.2020.04.002
[13] 张金, 姬亚芹, 邢雅彤, 等. 天津市高校夏季道路扬尘PM2.5中水溶性离子污染特征及来源 [J]. 环境科学学报, 2020, 40(5): 1604-1610. ZHANG J, JI Y Q, XING Y T, et al. Characteristics and sources of water-soluble ions in road dust PM2.5 during summer in university campuses of Tianjin [J]. Acta Scientiae Circumstantiae, 2020, 40(5): 1604-1610(in Chinese).
[14] 肖致美, 徐虹, 李立伟, 等. 基于在线观测的天津市PM2.5污染特征及来源解析 [J]. 环境科学, 2020, 41(10): 4355-4363. XIAO Z M, XU H, LI L W, et al. Characterization and source apportionment of PM2.5 based on the online observation in Tianjin [J]. Environmental Science, 2020, 41(10): 4355-4363(in Chinese).
[15] 董志超, 徐占杰, 王爽, 等. 天津市PM2.5中氮含量及同位素的昼夜及季节变化 [J]. 中国环境科学, 2021, 41(3): 1014-1023. doi: 10.3969/j.issn.1000-6923.2021.03.003 DONG Z C, XU Z J, WANG S, et al. Diurnal and seasonal variations of nitrogen contents and isotopic composition of total nitrogen in PM2.5 in Tianjin [J]. China Environmental Science, 2021, 41(3): 1014-1023(in Chinese). doi: 10.3969/j.issn.1000-6923.2021.03.003
[16] GAO J J, WANG K, WANG Y, et al. Temporal-spatial characteristics and source apportionment of PM2.5 as well as its associated chemical species in the Beijing-Tianjin-Hebei region of China [J]. Environmental Pollution, 2018, 233: 714-724. doi: 10.1016/j.envpol.2017.10.123
[17] KHAN J Z, SUN L, TIAN Y Z, et al. Chemical characterization and source apportionment of PM1 and PM2.5 in Tianjin, China: Impacts of biomass burning and primary biogenic sources [J]. Journal of Environmental Sciences, 2021, 99: 196-209. doi: 10.1016/j.jes.2020.06.027
[18] 陶月乐. 基于稳定同位素技术的天津市城区PM2.5污染特征与来源研究[D]. 天津: 天津大学, 2018. TAO Y L. Study on characteristics and sources of PM2.5 pollution in Tianjin urban area based on stable isotope technique[D]. Tianjin: Tianjin University, 2018(in Chinese).
[19] 冯晓青. 代煤工程前后天津市冬季PM2.5污染特征与来源对比研究[D]. 天津: 天津大学, 2019. FENG X Q. In sight of pollution characteristics and sources comparison of PM2.5 before and after the Coal Replacing Project in Tianjin wintertime [D]. Tianjin: Tianjin University, 2019(in Chinese).
[20] 王传达, 周颖, 程水源, 等. 北京、石家庄2017—2018年PM2.5与SNA组分特征及典型重污染分析 [J]. 环境科学学报, 2020, 40(4): 1340-1350. WANG C D, ZHOU Y, CHENG S Y, et al. Characteristics of PM2.5 and SNA composition and typical heavy pollution analysis in Beijing and Shijiazhuang from 2017 to 2018 [J]. Acta Scientiae Circumstantiae, 2020, 40(4): 1340-1350(in Chinese).
[21] WANG W Q, ZHANG W L, DONG S Y, et al. Characterization, pollution sources, and health risk of ionic and elemental constituents in PM2.5 of Wuhan, central China [J]. Atmosphere, 2020, 11(7): 760. doi: 10.3390/atmos11070760
[22] GUO W, ZHANG Z Y, ZHENG N J, et al. Chemical characterization and source analysis of water-soluble inorganic ions in PM2.5 from a plateau city of Kunming at different seasons [J]. Atmospheric Research, 2020, 234: 104687. doi: 10.1016/j.atmosres.2019.104687
[23] 伍潘. 成都市PM2.5水溶性无机离子及气态前体物污染特征分析[D]. 成都: 西南交通大学, 2019. WU P. Characterization of water soluble inorganic ions in PM2.5 and gaseous precursors[D]. Chengdu: Southwest Jiaotong University, 2019(in Chinese).
[24] YANG H M, PENG Q, ZHOU J, et al. The unidirectional causality influence of factors on PM2.5 in Shenyang city of China [J]. Scientific Reports, 2020, 10: 8403. doi: 10.1038/s41598-020-65391-5
[25] ZHANG L C, AN J, LIU M Y, et al. Spatiotemporal variations and influencing factors of PM2.5 concentrations in Beijing, China [J]. Environmental Pollution, 2020, 262: 114276. doi: 10.1016/j.envpol.2020.114276
[26] 何丹, 徐宝平, 吴丽芳, 等. 江西省典型城市气象因素对PM2.5和PM10污染特征影响分析: 以萍乡市为例 [J]. 能源研究与管理, 2020(4): 42-46,52. HE D, XU B P, WU L F, et al. Analysis of the impact of meteorological factors on the pollution characteristics of PM2.5 and PM10 in the typical cities of Jiangxi Province—taking Pingxiang city as an example [J]. Energy Research and Management, 2020(4): 42-46,52(in Chinese).
[27] 张众志, 唐伟, 杜晓惠, 等. 气象因素对“2+26”城市春节期间PM2.5污染影响模拟研析 [J]. 环境影响评价, 2020, 42(6): 6-10, 69. ZHANG Z Z, TANG W, DU X H, et al. The impacts of meteorological parameters on PM2.5 simulations in “2 + 26” cities during spring festival [J]. Environmental Impact Assessment, 2020, 42(6): 6-10, 69(in Chinese).
[28] LONG T F, PENG B, YANG Z H, et al. Spatial distribution and formation mechanism of water-soluble inorganic ions in PM2.5 during a typical winter haze episode in Guilin, China [J]. Archives of Environmental Contamination and Toxicology, 2020, 78(3): 367-376. doi: 10.1007/s00244-019-00699-6
[29] LI J, ZHANG Y L, CAO F, et al. Stable sulfur isotopes revealed a major role of transition-metal ion-catalyzed SO2 oxidation in haze episodes [J]. Environmental Science & Technology, 2020, 54(5): 2626-2634.
[30] SHAO J Y, CHEN Q J, WANG Y X, et al. Heterogeneous sulfate aerosol formation mechanisms during wintertime Chinese haze events: Air quality model assessment using observations of sulfate oxygen isotopes in Beijing [J]. Atmospheric Chemistry and Physics, 2019, 19(9): 6107-6123. doi: 10.5194/acp-19-6107-2019
[31] 张亚婷. 济南市细颗粒物硫酸盐的变化趋势、污染特征与二次生成[D]. 济南: 山东大学, 2018. ZHANG Y T. Trend, pollution characteristics, and secondary formation of sulfates in fine particles in urban ji’nan[D]. Jinan: Shandong University, 2018(in Chinese).
[32] LI H, MA Y L, DUAN F K, et al. Stronger secondary pollution processes despite decrease in gaseous precursors: A comparative analysis of summer 2020 and 2019 in Beijing [J]. Environmental Pollution, 2021, 279: 116923. doi: 10.1016/j.envpol.2021.116923
[33] FENG X Q, LI Q K, TAO Y L, et al. Impact of Coal Replacing Project on atmospheric fine aerosol nitrate loading and formation pathways in urban Tianjin: Insights from chemical composition and 15N and 18O isotope ratios [J]. Science of the Total Environment, 2020, 708: 134797. doi: 10.1016/j.scitotenv.2019.134797
[34] LIN Y C, ZHANG Y L, FAN M Y, et al. Heterogeneous formation of particulate nitrate under ammonium-rich regimes during the high-PM2.5 events in Nanjing, China [J]. Atmospheric Chemistry and Physics, 2020, 20(6): 3999-4011. doi: 10.5194/acp-20-3999-2020
[35] LI Q K, LI X D, YANG Z, et al. Diurnal and seasonal variations in water-soluble inorganic ions and nitrate dual isotopes of PM2.5: Implications for source apportionment and formation processes of urban aerosol nitrate [J]. Atmospheric Research, 2021, 248: 105197. doi: 10.1016/j.atmosres.2020.105197
[36] 文亮. 华北典型地区大气细颗粒硝酸盐及气态亚硝酸变化规律与机理研究[D]. 济南: 山东大学, 2019. WEN L. Variation rules and mechanisms of the atmospheric fine particulate nitrate and gaseous nitrous acid over the North China[D]. Jinan: Shandong University, 2019(in Chinese).
[37] 冯炎鹏, 张军科, 黄小娟, 等. 成都夏冬季PM2.5中水溶性无机离子污染特征 [J]. 环境科学, 2020, 41(7): 3012-3020. FENG Y P, ZHANG J K, HUANG X J, et al. Pollution characteristics of water-soluble inorganic ions in Chengdu in summer and winter [J]. Environmental Science, 2020, 41(7): 3012-3020(in Chinese).
[38] 张蒙, 韩力慧, 刘保献, 等. 北京市冬季重污染期间PM2.5及其组分演变特征 [J]. 中国环境科学, 2020, 40(7): 2829-2838. doi: 10.3969/j.issn.1000-6923.2020.07.006 ZHANG M, HAN L H, LIU B X, et al. Evolution of PM2.5 and its components during heavy pollution episodes in winter in Beijing [J]. China Environmental Science, 2020, 40(7): 2829-2838(in Chinese). doi: 10.3969/j.issn.1000-6923.2020.07.006
[39] 武志宏, 孙爽, 武高峰, 等. 保定市PM2.5中水溶性离子污染特征及来源分析 [J]. 环境化学, 2021, 40(5): 1421-1430. doi: 10.7524/j.issn.0254-6108.2019120901 WU Z H, SUN S, WU G F, et al. The pollution pattern and source analysis of water-soluble ions of PM2.5 in Baoding City [J]. Environmental Chemistry, 2021, 40(5): 1421-1430(in Chinese). doi: 10.7524/j.issn.0254-6108.2019120901
[40] LIU Y C, FENG Z M, ZHENG F X, et al. Ammonium nitrate promotes sulfate formation through uptake kinetic regime[J]. Atmospheric Chemistry and Physics Discussions, 2021, 21（17）: 13269-13286.
[41] 汪鹏, 熊春, 吴育杰, 等. 杭州市2017年冬季一次重灰霾过程中PM2.5水溶性离子特征、来源及成因分析 [J]. 浙江大学学报(理学版), 2019, 46(3): 345-353. WANG P, XIONG C, WU Y J, et al. A heavy haze episode in Hangzhou city in the winter of 2017: Characteristics of PM2.5 water-soluble components, causes and origins [J]. Journal of Zhejiang University (Science Edition), 2019, 46(3): 345-353(in Chinese).
[42] 姬艺珍, 郭伟, 胡正华, 等. 太原市PM2.5积累特征及重污染天气成因分析 [J]. 环境科学学报, 2021, 41(3): 853-862. JI Y Z, GUO W, HU Z H, et al. Accumulation characteristics of PM2.5 and the causes of serious pollution weather in Taiyuan city, China [J]. Acta Scientiae Circumstantiae, 2021, 41(3): 853-862(in Chinese).
[43] LIU Y C, ZHAO H J, MA Y J, et al. Characteristics of particulate matter and meteorological conditions of a typical air-pollution episode in Shenyang, northeastern China, in winter 2017 [J]. Atmospheric Pollution Research, 2021, 12(1): 316-327. doi: 10.1016/j.apr.2020.09.007
[44] LI S W, CHANG M H, LI H M, et al. Chemical compositions and source apportionment of PM2.5 during clear and hazy days: Seasonal changes and impacts of Youth Olympic Games [J]. Chemosphere, 2020, 256: 127163. doi: 10.1016/j.chemosphere.2020.127163
[45] XU L L, DUAN F K, HE K B, et al. Characteristics of the secondary water-soluble ions in a typical autumn haze in Beijing [J]. Environmental Pollution, 2017, 227: 296-305. doi: 10.1016/j.envpol.2017.04.076
[46] 刘兴瑞, 马嫣, 崔芬萍, 等. 南京北郊一次重污染事件期间PM2.5理化特性及其对大气消光的影响 [J]. 环境化学, 2016, 35(6): 1164-1171. doi: 10.7524/j.issn.0254-6108.2016.06.2015111004 LIU X R, MA Y, CUI F P, et al. Physicochemical characteristics of PM2.5 and impacts on light extinction during the heavy pollution period at North Suburban Nanjing [J]. Environmental Chemistry, 2016, 35(6): 1164-1171(in Chinese). doi: 10.7524/j.issn.0254-6108.2016.06.2015111004
[47] PAN Y Y, LUO L, XIAO H W, et al. A one-year comprehensive characteristics of water soluble inorganic ions in PM2.5 from a typical mountainous city [J]. Atmospheric Pollution Research, 2020, 11(11): 1883-1890. doi: 10.1016/j.apr.2020.08.006
[48] 文建辉, 陈筱佳, 宋韶华, 等. 桂林市秋季PM2.5组分特征及高浓度硫酸根形成机制初探 [J]. 环境化学, 2017, 36(12): 2676-2682. doi: 10.7524/j.issn.0254-6108.2017031402 WEN J H, CHEN X J, SONG S H, et al. Composition of PM2.5 and the formation mechanism of high secondary sulfate in the fall season of Guilin City [J]. Environmental Chemistry, 2017, 36(12): 2676-2682(in Chinese). doi: 10.7524/j.issn.0254-6108.2017031402