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当前位置: 首页 > 文章 > 气象因素对宿迁市臭氧浓度的影响研究 绿色科技 2020 (6) 166-170
Position: Home > Articles > Study on the Influence of Meteorological Factors on the Ozone Concentration in Suqian City Journal of Green Science and Technology 2020 (6) 166-170

气象因素对宿迁市臭氧浓度的影响研究

作  者：
许纯领;王辉;孙丹;刘昌威
单  位：
江苏省宿迁环境监测中心
关键词：
宿迁;臭氧污染;超标;气象因素
摘  要：
利用2016～2019年宿迁中心城区四个国控站点O3浓度监测数据和欧洲中心(ECMWF)0.25°×0.25°的NetCDF资料和本地气象部门提供气象数据,分析了宿迁市O3浓度的分布特征,探索了研究气象条件对O3生成和浓度变化的影响。结果表明:2016～2019年宿迁市臭氧超标越来越重,臭氧超标开始时间提前至2月,臭氧超标结束时间延长至10月,整体臭氧污染态势严峻。结合气象资料分析,在无明显大尺度环流系统控制的稳定经向环流形势下出现臭氧污染的天数最多;在同时满足T平均不低于27℃且T最高不低于25℃、RH平均不高于70%且不低于50%和WS平均在2m/s～4m/s区间且风向为偏南风向时,臭氧易发生超标现象,超标率达75%,而三项均不符合时,臭氧超标率仅为9%。
译  名：
Study on the Influence of Meteorological Factors on the Ozone Concentration in Suqian City
作  者：
Xu Chunling;Wang Hui;Sun Dan;Liu Changwei;Jiangsu Suqian Environmental Monitoring Center;
关键词：
Suqian;;ozone pollution;;over-standard;;meteorological factors
摘  要：
Based on the monitoring data of O3 concentration at four national control stations in the central urban area of Suqian from 2016 to 2019,the 0.25°×0.25°NetCDF data from the European Center(ECMWF)and the meteorological data provided by the local meteorological department,the distribution characteristics of O3 concentration in Suqian were analyzed,and the influence of meteorological conditions on O3 generation and concentration change was explored.The results show that:from 2016 to 2019,the ozone in Suqian City exceeded the standard more and more seriously.The start time of ozone exceeding the standard was advanced to February,and the end time of ozone exceeding the standard was extended to October.The overall situation of ozone pollution is severe.Combined with the analysis of meteorological data,under the situation of stable meridional circulation without obvious control of largescale circulation system,the number of days of ozone pollution is the most;when the average t is not lower than 27℃,the maximum t is not lower than 25 ℃;the average RH is not higher than 70%,and not lower than 50%,and the average WS is in the range of 2 m/s-4 m/s,and the wind direction is southward.The ozone pollution is easy to exceed the standard,with the exceeding rate reaching 75%.When all three items are not met,the ozone exceeding standard rate is only 9%.

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