漳州市臭氧污染特征及其与气象因子关系的分析

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作者简介 李育慧（1986—），女，福建漳州人，高级工程师，主要从事综合气象工作。

收稿日期 2023-08-11

Analysis of Characteristics of Ozone Pollution in Zhangzhou City and Its Relationship with Meteorological Factors

Li Yu-hui et al（Longwen District Meteorological Bureau of Zhangzhou City， Zhangzhou， Fujian 363007）

Abstract Based on the daily and hourly O3 concentration data of Zhangzhou City and the ground observation data of meteorological stations from 2016 to 2018， the characteristics of ozone pollution in Zhangzhou City and its meteorological causes are discussed. The study found that： （1） the annual average concentration of O3 in Zhangzhou City continued to increase from 2016 to 2018， and the pollution situation of O3 became increasingly prominent;（2）The daily variation of O3 concentration had a unimodal pattern， with the lowest point at 06：00～08：00， the highest point at 15：00～16：00， and the exceeding period concentrated between 13：00～17：00;（3）The variation of O3 concentration had obvious seasonality， especially the content was higher in late spring， summer， and early autumn;（4）The concentration of O3 was positively correlated with temperature， but negatively correlated with relative humidity and wind speed. When the temperature was greater than 15 ℃， the relative humidity was between 50% and 75%， the wind speed was ≤ 2.0 m/s， and the southeast or northwest wind was controlled， the concentration of O3 in Zhangzhou City increases significantly， making it easy for O3 pollution to occur.

Key words Ozone; Change characteristics; Meteorological factors; Zhangzhou City

摘要 對2016—2018年漳州市逐日、逐时O3浓度数据和气象站地面观测数据进行研究分析，探讨漳州市臭氧污染特征及其气象成因。（剩余5364字）

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