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

气象与环境学报 ›› 2021, Vol. 37 ›› Issue (4): 48-53.doi: 10.3969/j.issn.1673-503X.2021.04.007

• 论文 • 上一篇    下一篇

2015—2019年太行山南麓O3浓度特征及其与气象因子的关系

刘强军(),宋军芳,牛晨煜,赵珺,张喻君   

  1. 晋城市气象局, 山西 晋城 048000
  • 收稿日期:2020-10-23 出版日期:2021-08-30 发布日期:2021-09-10
  • 作者简介:刘强军, 男, 1971年生, 高级工程师, 主要从事应用气象服务工作, E-mail: 13835682236@139.com
  • 基金资助:
    山西省气象局面上项目(SXMSKT20037)

Characteristics of O3 concentration and its relationships with meteorological factors in the southern foot of Taihang Mountains from 2015 to 2019

Qiang-jun LIU(),Jun-fang SONG,Cheng-yu NIU,Jun ZHAO,Yu-jun ZHANG   

  1. Jincheng Meteorological Service, Jincheng 048000, China
  • Received:2020-10-23 Online:2021-08-30 Published:2021-09-10

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摘要：

利用2015-2019年太行山南麓(即山西省晋城市)O3浓度和中国太阳总辐射资料，分析了该地区O3浓度的时空变化特征，及其与风、相对湿度、降水、雾霾、气温、太阳总辐射等气象因子的关系。结果表明：O3浓度呈逐年增加趋势，夏季浓度明显高于冬季，月变化为单峰型，峰值出现在6月，谷值出现在1月，日变化白天高于夜间；O3浓度的空间分布有明显的地域差异，呈现中部和南部高，东西部和北部低的特征，表现出与气候倾向率一致的特性。风速对O3浓度影响明显，风速小于1.5 m·s-1时，O3浓度升高速度快，大于2.5 m·s-1时，O3浓度迅速减小；O3浓度与相对湿度为负相关，峰值出现在相对湿度为30%-70%的区域；不同量级降水对O3浓度的影响差异较大，中雨时O3浓度较低，其他量级较高；无降水日O3浓度明显大于有降水日。有雾霾时O3浓度明显低于无雾霾天气；O3浓度与气温具有明显正相关，与太阳总辐射也呈正相关，但是相关性低于O3浓度与气温的相关性。

关键词: O3浓度, 气象因子, 气候倾向率

Abstract:

Based on the data of O3 concentration at the southern foot of Taihang Mountains (i. e. Jincheng city, Shanxi province) and the total solar radiation from 2015 to 2019, the temporal and spatial variation characteristics of O3 concentration and its relationships with meteorological factors such as wind, relative humidity, precipitation, haze, temperature, and solar radiation were analyzed. The conclusions are as follows: the O3 concentration increases year by year. Its concentration in summer is significantly higher than that in winter. The monthly variation of O3 concentration is unimodal. The results show that the peak value appears in June and the valley value appears in January, and the diurnal variation is higher in the daytime than that in the night. The spatial distribution of O3 concentration has obvious regional differences, showing the characteristics of high in the middle and south, low in the East and West and North, i. e., showing the characteristics consistent with the climate tendency rate. When the wind speed is less than 1.5 m·s-1, the rising rate of O3 concentration is faster, and when the wind speed is larger than 2.5 m·s-1, the concentration of O3 decreases rapidly. The concentration of O3 is negatively correlated with relative humidity, and the peak appears in the region with 30%-70% relative humidity. The influence of precipitation with different ranks on O3 concentration is quite different. The concentration of O3 is lower in moderate rain and higher in other ranks. The concentration of O3 during the day without precipitation is significantly greater than that during the day with precipitation. When there is haze, the concentration of O3 is significantly lower than that without haze. The positive correlation between O3 concentration and temperature is very obvious. There is also a positive correlation between O3 concentration and solar radiation, but the correlation level is lower than that with temperature.

Key words: O3 concentration, Meteorological factors, Climate tendency rate

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