成都市夏季近地面臭氧污染气象特征
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摘要
利用2016年7月成都市8个环境监测站点的臭氧、NO_2的监测资料以及成都市国家基准气象站和基本气象站的观测资料,对成都市夏季臭氧、NO_2浓度和气象要素的日变化特征和臭氧污染过程进行了分析。研究结果表明:成都市臭氧污染受综合气象条件和NO_2浓度的影响,高温、低湿、强辐射有利于臭氧大量生成,NO_2浓度高低决定了臭氧浓度的峰值大小;在污染期间,大气边界层高度远高于本地平均水平,数值约为平均水平的2～3倍;成都市臭氧污染的主要影响因子存在地区差异,成都市区的臭氧主要来自于自身的光化学反应,而灵岩寺地区的臭氧来自于VOCs和大气水平输送。
Based on the monitoring data of ozone and NO_2 in 8 environmental monitoring sites of Chengdu in July 2016, the observed data of Chengdu National Reference Station and Basic Weather Station, the diurnal variation of ozone and NO_2 and meteorological factors in Chengdu and the feature in pollution process were studied. Results indicated that ozone pollution in Chengdu was affected by comprehensive meteorological conditions and NO_2 concentration. High temperature, low humidity and strong radiation were favorable for the generation of ozone. The peak value of ozone concentration was determined by NO_2 concentration; During the pollution period, the atmospheric boundary layer height was 2-3 times higher than the local average; There were regional differences in ozone pollution in Chengdu, urban ozone mainly came from the local photochemical reactions, and the ozone of Lingyan temple came from the VOCs and the horizontal air transport.
Based on the monitoring data of ozone and NO_2 in 8 environmental monitoring sites of Chengdu in July 2016, the observed data of Chengdu National Reference Station and Basic Weather Station, the diurnal variation of ozone and NO_2 and meteorological factors in Chengdu and the feature in pollution process were studied. Results indicated that ozone pollution in Chengdu was affected by comprehensive meteorological conditions and NO_2 concentration. High temperature, low humidity and strong radiation were favorable for the generation of ozone. The peak value of ozone concentration was determined by NO_2 concentration; During the pollution period, the atmospheric boundary layer height was 2-3 times higher than the local average; There were regional differences in ozone pollution in Chengdu, urban ozone mainly came from the local photochemical reactions, and the ozone of Lingyan temple came from the VOCs and the horizontal air transport.
引文
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[19] 钱骏,廖瑞雪,邓利群,等.成都市大气中O3污染水平及来源分析[J].四川环境,2011,30(3):20-23.Qian Jun,Liao Ruixue,Deng Liqun,et al.Characteristics and Sources of O3 Pollution in the Atmosphere in Chengdu [J].Sichuan Environment,2011,30 (3): 20-23.
[20] Liu S C,Trainer M,Fehsenfeld F C,et al.Ozone Production in the Rural Troposphere and the Implications for Regional and Global Ozone Distributions[J].Journal of Geophysical Research Atmospheres,1987,92(D4):4 191-4 207.
[21] 顾莹.上海城市化对臭氧污染影响的数值模拟[D].上海:华东师范大学,2010.
[22] 王占山,李云婷,陈添,等.北京城区臭氧日变化特征及与前体物的相关性分析[J].中国环境科学,2014,34(12):3 001-3 008.WANG Zhanshan,LI Yunting,CHEN Tian,et al.Analysis on Diurnal Variation Characteristics of Ozone and Correlations with its Precursors in Urban Atmosphere of Beijing[J].China Environmental Science,2014,34(12):3 001-3 008.
[2] 王春乙,关福来.O3浓度变化对我国主要作物产量的可能影响[J].应用气象学报,1995(1):69-74.WANG Chunyi,GUAN Fulai.The Potential Effects of O3 Concentration Change on Yield of Main Crops in China[J].Quarterly Journal of Applied Meteorology,1995(1):69-74.
[3] 孟晓艳,宫正宇,叶春霞,等.2013—2016年74城市臭氧浓度变化特征[J].中国环境监测,2017,33(5):106-113.MENG Xiaoyan,GONG Zhengyu,YE Chunxia,et al.Characteristics of Ozone Concentration Change in 74 Cities from 2013 to 2016[J].China Environmental Monitoring,2017,33(5):106-113.
[4] 程麟钧,王帅,宫正宇,等.2008—2016年臭氧监测试点城市的臭氧污染特征[J].中国环境监测,2017,33(4):31-37.CHENG Linwei,WANG Shuai,GONG Zhengyu,et al.Ozone Pollution Characteristics of Ozone Monitoring Pilot Cities in 2008-2016[J].China Environmental Monitoring,2017,33(4):31-37.
[5] 林燕芬,王茜,伏晴艳,等.上海市臭氧污染时空分布及影响因素[J].中国环境监测,2017,33(4):65-72.Lin Yanfen,Wang Wei,Fu Qingyan,et al.Temporal and Spatial Distribution of Ozone Pollution in Shanghai and its Influencing Factors[J].China Environmental Monitoring,2017,33(4):65-72.
[6] 洪盛茂,焦荔,何曦,等.杭州市区大气臭氧浓度变化及气象要素影响[J].应用气象学报,2009,20(5):602-611.HONG Shengmao,JIAO Li,HE Xi,et al.The Variation of Ozone Concentrations in Urban Districts of Hangzhou and their Relationship with Meteorological Factors[J].Quarterly Journal of Applied Meteorology,2009,20(5):602-611.
[7] 朱毓秀,徐家骝.近地面臭氧污染过程和相关气象因子的分析[J].环境科学研究,1994(6):13-18.ZHU Yuxiu,XU Jialiu.Ozone Pollution Process in the Lower Atmosphere and the Meteorological Factors Concerned[J].Research of Environmental Sciences,1994(6):13-18.
[8] 谈建国,陆国良,耿福海,等.上海夏季近地面臭氧浓度及其相关气象因子的分析和预报[J].热带气象学报,2007,23(5):515-520.SHI Jianguo,LU Guoliang,GENG Fuhai,et al.Analysis and Prediction of Near-Surface Ozone Concentration and its Related Meteorological Factors in Shanghai in Summer [J].Journal of Tropical Meteorology,2007,23 (5): 515-520.
[9] 易睿,王亚林,张殷俊,等.长江三角洲地区城市臭氧污染特征与影响因素分析[J].环境科学学报,2015,35(8):2 370-2 377.YI Rui,WANG Yalin,ZHANG Yinjun,et al.Characteristics and Influencing Factors of Urban Ozone Pollution in the Yangtze River Delta[J].Chinese Journal of Environmental Science,2015,35 (8): 2 370-2 377.
[10] 陆克定,张远航,苏杭,等.珠江三角洲夏季臭氧区域污染及其控制因素分析[J].中国科学:化学,2010(4):407-420.LU Ke-ding,ZHANG Yuan-hang,SU Hang,et al.Characteristics of Summer Ozone Pollution and its Controlling Factors in the Pearl River Delta[J].Science In China,2010 (4): 407-420.
[11] 丁国安,罗超.清洁地区气象因子与地面O3关系的初步研究[J].应用气象学报,1995(3):350-355.DING Guoan,LUO Chao.Preliminary Study of Relationship of Meteorological Elements with Surface Ozone in Remote Area[J].Quarterly Journal of Applied Meteorology,1995(3):350-355.
[12] 陈世俭,童俊超,Kazuhiko,等.气象因子对近地面层臭氧浓度的影响[J].华中师范大学学报:自然科学版,2005,39(2):273-277.Chen Shijian,Tong Junchao,Kazuhiko,et al.Effects of Meteorological Factors on Near-Surface Ozone Concentration [J].Journal of Central China Normal University:Natural Science Edition,2005,39 (2): 273-277.
[13] Chan C Y,Chan L Y.Effect of Meteorology and Air Pollutant Transport on Ozone Episodes at a Subtropical Coastal Asian City,Hong Kong[J].Journal of Geophysical Research Atmospheres,2000,105(16):20 707-20 724.
[14] 周艳明,刘厚凤,吴保庆.边界层臭氧浓度变化特征及相关因子分析[J].气象与环境学报,2008,24(1):63-66.ZHOU Yanming,LIU Houfeng,WU Baoqing.Characteristics and Variation of Ozone Concentration in Boundary Layer [J].Journal of Meteorology and Environment,2008,24(1): 63-66.
[15] 杨雅琴,高会旺.青岛大气臭氧及其前体物时间变化与污染特征[J].气象与环境学报,2008,24(2):1-5.YANG Yaqin,GAO Huiwang.Time Variation and Pollution Characteristics of Atmospheric Ozone and its Precursors in Qingdao [J].Journal of Meteorology and Environment,2008,24(2): 1-5.
[16] 梁碧玲,张丽,赖鑫,等.深圳市臭氧污染特征及其与气象条件的关系[J].气象与环境学报,2017,33(1):66-71.LIANG Biling,ZHANG Li,LAI Xin,et al.Characteristics of Ozone Pollution in Shenzhen City and its Relationship with Meteorological Conditions[J].Journal of Meteorology and Environment,2017,33(1): 66-71.
[17] 王雪松,李金龙,张远航,等.北京地区臭氧污染的来源分析[J].中国科学,2009(6):548-559.WANG Xuesong,LI Jinlong,ZHANG Yuanhang,et al.Ozone Source Attribution During a Severe Photochemical Smog Episode in Beijing[J].Science in China,2009(6):548-559.
[18] 闫静,王文川.盆地气候条件下成都市城区臭氧污染特性研究:中国环境科学学会2013年学术年会论文集[C].北京:中国环境科学出版社,2013.
[19] 钱骏,廖瑞雪,邓利群,等.成都市大气中O3污染水平及来源分析[J].四川环境,2011,30(3):20-23.Qian Jun,Liao Ruixue,Deng Liqun,et al.Characteristics and Sources of O3 Pollution in the Atmosphere in Chengdu [J].Sichuan Environment,2011,30 (3): 20-23.
[20] Liu S C,Trainer M,Fehsenfeld F C,et al.Ozone Production in the Rural Troposphere and the Implications for Regional and Global Ozone Distributions[J].Journal of Geophysical Research Atmospheres,1987,92(D4):4 191-4 207.
[21] 顾莹.上海城市化对臭氧污染影响的数值模拟[D].上海:华东师范大学,2010.
[22] 王占山,李云婷,陈添,等.北京城区臭氧日变化特征及与前体物的相关性分析[J].中国环境科学,2014,34(12):3 001-3 008.WANG Zhanshan,LI Yunting,CHEN Tian,et al.Analysis on Diurnal Variation Characteristics of Ozone and Correlations with its Precursors in Urban Atmosphere of Beijing[J].China Environmental Science,2014,34(12):3 001-3 008.