南京工业大学学报（自然科学版）2025，Vol.47Issue(3)：318-327,10.DOI:10.3969/j.issn.1671-7627.2025.03.011
盐城市射阳县臭氧污染特征及气象因素影响分析
Analysis of ozone pollution characteristics and meteorological factors in Sheyang County,Yancheng City
摘要
Abstract
Aiming at the fluctuation of O3 mass concentration in Sheyang County and the serious O3 pollution,the characteristics of O3 pollution and its relationship with meteorological factors in Sheyang County during 2017-2022 were comprehensively discussed by using the near-surface monitoring data and potential source analysis in Sheyang County.The results showed that The 90th percentage of average mass concentration of ozone for daily maximum 8 h(MDA8 O3-90th)in Sheyang County showed a change rule of first decreasing and then fluctuating increasing,reaching the highest value in 2022.The monthly distribution characteristics of MDA8 O3 showed significant seasonal differences,and the high value was mainly concentrated in May and June.The daily variation of O3 mass concentration presented a"unimodal"variation,with the trough value appearing at 06:00 and the peak value at 14:00.The average value of O3-1 h increased from 49.0 μg/m3 to 142.3 μg/m3 when the temperature rised from below 5 ℃ to above 35 ℃.When the relative humidity increased from less than 30％to more than 90％,the average value of O3-1 h decreased from 141.3 μg/m3 to 66.4 μg/m3.When the sea and land winds occured,the atmospheric conditions were relatively stable,and the mass concentrations of O3 and precursors were higher than those of non-sea and land winds.The cluster and potential source analysis of continuous O3 pollution in Sheyang County from 2017 to 2022 showed that the air mass trajectory in the process of O3 pollution was mainly from the southwest direction of the province,and the transport distance was relatively close.关键词
射阳县/臭氧/污染特征/气象因素/海陆风/大气污染Key words
Sheyang County/ozone/pollution characteristics/meteorological factor/land and sea winds/air pollution分类
资源环境引用本文复制引用
孙中学,张洁,王丽玮,陈东林,王海玲,张萍,路艳艳..盐城市射阳县臭氧污染特征及气象因素影响分析[J].南京工业大学学报（自然科学版）,2025,47(3):318-327,10.基金项目
江苏省环境工程技术有限公司研发项目(JSEP-GJ2022-0014-RE-ZL) （JSEP-GJ2022-0014-RE-ZL）
盐城市重点研发计划(YCBE202250) （YCBE202250）
