主办单位:中国气象局沈阳大气环境研究所
国际刊号:ISSN 1673-503X
国内刊号:CN 21-1531/P

气象与环境学报 ›› 2025, Vol. 41 ›› Issue (3): 85-92.doi: 10.3969/j.issn.1673-503X.2025.03.011

• 论文 • 上一篇    下一篇

瓦里关地面臭氧变化特征及大气环流的影响研究

乜虹1, 王凯2, 张晓云3, 刘青青4, 宋传刚4, 罗文昭5, 郑向东6, 刘猛1   

  1. 1. 青海省气象服务中心, 青海西宁 810001;
    2. 南京信息工程大学, 江苏南京 210044;
    3. 海南藏族自治州气象局, 青海共和 811700;
    4. 青海省气象干部培训学院, 青海西宁 810001;
    5. 青海省温室气体及碳中和重点实验室, 青海西宁 810001;
    6. 中国气象科学研究院, 北京 100081
  • 收稿日期:2024-04-19 修回日期:2024-09-24 出版日期:2025-06-28 发布日期:2025-09-29
  • 通讯作者: 张晓云,男,高级工程师,E-mail:ggqxfw@163.com。 E-mail:ggqxfw@163.com
  • 作者简介:乜虹,男,1970年生,高级工程师,主要从事大气成分观测与分析研究,E-mail:niehongqh@sina.com。
  • 基金资助:
    国家自然基金项目(42165014)和青海省气象局重点科研项目(QXZD2023-05)共同资助。

Study on the variation characteristics of surface ozone and the impact of atmospheric circulation over Mt.Waliguan area

NIE Hong1, WANG Kai2, ZHANG Xiaoyun3, LIU Qingqing4, SONG Chuangang4, LUO Wenzhao5, ZHENG Xiangdong6, LIU Meng1   

  1. 1. Qinghai Meteorological Service Center, Xining 810001, China;
    2. Nanjing University of Information Science and Technology, Nanjing 210044, China;
    3. Hainan Tibetan Autonomous Prefecture Meteorological Bureau, Gonghe 811700, China;
    4. Qinghai Provincial Institute for Cadres Training, Xining 810001, China;
    5. Key laboratory for Greenhouse Gases and Carbon Neutral of Qinghai Province, Xining 810001, China;
    6. Chinese Academy of Meteorological Sciences, Beijing 100081, China
  • Received:2024-04-19 Revised:2024-09-24 Online:2025-06-28 Published:2025-09-29

摘要: 利用2016—2022年瓦里关本底站日平均站点数据,分析瓦里关地区近地面臭氧(O3)质量浓度变化特征及其与温度、湿度和风向等气象要素的关系,讨论影响O3浓度的高空环流异常变化特征,从而揭示瓦里关地面O3变化特征及大气环流产生的影响。结果表明:瓦里关地区的日平均O3质量浓度年内变化波动较大,夏季时期达到峰值,冬季达到低值。近地面O3质量浓度与温度和相对湿度分别呈正、负相关,且较高的温度和较低的相对湿度对应O3质量浓度升高。当瓦里关上空受东北风影响时,有利于近地面O3的积聚,导致较高的质量浓度;而风向为西南风时,O3会在水平方向上迅速扩散,难以形成较高质量浓度的O3。此外,当大气中存在“焚风效应”时,也会引发近地面O3质量浓度的增加。瓦里关地区的上空环流形势也对O3质量浓度产生影响,当100 hPa环流形势属于西部型,极涡偏弱,出现暖性高压或高压脊,致使O3质量浓度升高;相反,100 hPa环流形势属于东部型,极涡偏强、有低压或低压槽的存在则会促使O3质量浓度持续下降。

关键词: 地面臭氧, 气象因子, 焚风效应, 环流形势

Abstract: By using the daily averaged data of Mt.Waliguan during 2016-2022,this study analyzes the relationship of variation's characteristics of near surface ozone concentration and their relationships with multiple meteorological factors such as air temperature,wind direction and speed over Mt.waliguan area,and the influences of abnormal upper air circulation upon surface ozone,where it reveals the variation characteristics and the impact of atmospheric circulation over Mt.waliguan area.The result shows that the daily averaged concentration shows significant fluctuation throughout the year,reaching highest in summer and lowest in winter.In the meantime,the surface ozone has a positively and negatively correlation with temperature and relative humidity,the higher temperature and lower relative humidity cause the rising of surface ozone.The northeasterly wind of Mt.walugan is in favor of surface ozone's accumulation,thus resulting in higher concentration,meanwhile,the southwesterly wind will cause the rapid proliferation in the horizontal direction,which is difficult to form the higher concentration.In addition,when there is a "Foehn effect" in the atmosphere,will also trigger the rising of surface ozone.The upper air circulation patterns over Mt.waliguan also affects the concentration of surface ozone,when the 100 hPa circulation pattern belongs to the western type,the polar vortex is weak,and presence of the warm high or ridge over Mt.waliguan,and causes the rising of concentration of surface ozone; conversely,when the 100hpa circulation pattern belongs to the eastern type,the polar vortex is strong,the presence of low pressure and a trough of low pressure will cause the decreasing of surface ozone.

Key words: Surface ozone, Meteorological factors, Foehn effect, Circulation patterns

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