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京津冀臭氧变化特征及与气象要素的关系
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  • 英文篇名:Characteristics of ozone and its relationship with meteorological factors in Beijing-Tianjin-Hebei Region
  • 作者:王玫 ; 郑有飞 ; 柳艳菊 ; 李巧萍 ; 丁一汇
  • 英文作者:WANG Mei;ZHENG You-fei;LIU Yan-ju;LI Qiao-ping;DING Yi-hui;School of Atmospheric Physics, Nanjing University of Information Science & Technology;Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology;National Climate Center,China Meteorological Administration;
  • 关键词:京津冀区域 ; O3浓度 ; O3污染 ; 气象因子
  • 英文关键词:Beijing-Tianjin-Hebei region;;O3 concentration;;O3 pollution;;meteorological factors
  • 中文刊名:ZGHJ
  • 英文刊名:China Environmental Science
  • 机构:南京信息工程大学大气物理学院;南京信息工程大学江苏省大气环境监测与污染控制高技术研究重点实验室江苏省大气环境与装备技术协同创新中心;中国气象局国家气候中心;
  • 出版日期:2019-07-20
  • 出版单位:中国环境科学
  • 年:2019
  • 期:v.39
  • 基金:总理基金大气污染控制项目(DQGG0104)
  • 语种:中文;
  • 页:ZGHJ201907001
  • 页数:10
  • CN:07
  • ISSN:11-2201/X
  • 分类号:3-12
摘要
基于2014~2017年京津冀13座城市的O_3-8h数据,分析O_3时间变化特征及污染状况.在此基础上,结合同期气象数据研究近地层O_3浓度与气象要素的关系.结果表明:2014~2017年京津冀区域O_3-8h整体呈上升趋势,增长率为4.50μg/m~3.区域内O_3污染整体加重,北京、保定O_3污染较为严重;2014~2015年O_3浓度与超标情况的月变化主要呈单峰型变化,峰值出现在5月;而2016~2017年为不规则双峰型变化,峰值出现在5~6月和9月.与气象因子的相关性表明:气象要素对O_3的影响具有明显的季节差异,其中春、夏、秋季气温是影响O_3浓度变化的主要因素,而在冬季相对湿度与风速为影响O_3浓度变化的主要因素.此外,分析表明北京、天津、石家庄3大城市夏季形成高浓度O_3的阈值明显不同.
        Based on the O_3-8h data of 13 cities in Beijing-Tianjin-Hebei region from 2014 to 2017,the temporal variation and pollution characteristics of O_3 were analyzed.In addition,the relationship between the O_3 concentration and the meteorological factors was studied by combining with the meteorological data of the same period.O_3-8h in Beijing-Tianjin-Hebei region increased from 2014~2017,with an average annual increase of 4.50μg/m~3.O_3 pollution situation in the whole region aggravated,especially in Beijing and Baoding.The monthly O_3 concentration and the over-standard situation mainly presented single-peak variations in 2014~2015,with the maximum in May.However,the irregular double-peak variations were found in 2016~2017,showing one peak value during May to June and the other in September.The correlation between O_3 concentration and meteorological factors indicated that the influence of meteorological factors on O_3 had obvious seasonal differences.In spring,summer and autumn,the temperature was the main factor affecting O_3 concentration,while the relative humidity and wind speed were the main factors in winter.Besides,it is indicted that the thresholds for the formation of high O_3 concentration in Beijing,Tianjin and Shijiazhuang were different in summer.
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