Composite Pollution Characteristics and Potential Source Area Analysis of PM<sub>2.5</sub>-O<sub>3</sub> in Dalian City

丁成亮; 郑洪波

doi:10.19672/j.cnki.1003-6504.0080.23.338

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Composite Pollution Characteristics and Potential Source Area Analysis of PM_2.5-O₃ in Dalian City

更新时间：2026-11-05

- Composite Pollution Characteristics and Potential Source Area Analysis of PM_2.5-O₃ in Dalian City
- Vol. 47, Issue S1, Pages: 95-101(2024)
- 作者机构：
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- DOI：10.19672/j.cnki.1003-6504.0080.23.338
  CLC： X51
- Published：2024
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丁成亮, 郑洪波. Composite Pollution Characteristics and Potential Source Area Analysis of PM_2.5-O₃ in Dalian City[J]. 2024, 47(S1): 95-101. DOI: 10.19672/j.cnki.1003-6504.0080.23.338.
DOI：

丁成亮, 郑洪波. Composite Pollution Characteristics and Potential Source Area Analysis of PM_2.5-O₃ in Dalian City[J]. 2024, 47(S1): 95-101. DOI: 10.19672/j.cnki.1003-6504.0080.23.338. DOI：

摘要

为探究PM_(2.5)-O_3复合污染特征并分析潜在源区，文章基于大连市2019年高时间分辨率PM_(2.5)和O_(3-8 h)监测数据和气象数据，分析复合污染时气象特征，计算潜在源贡献因子确定潜在源区。结果表明：海平面压力为1 008.6～1 016 hPa、温度为14.5～21℃、相对湿度为48%～59%时更易发生PM_(2.5)-O_3复合污染；大连市西北和西南方向气流占比最大，西南方向在春、秋、冬3季携带的PM_(2.5)浓度最高，可达82.55μg/m~3，且春季携带的O_3浓度最高，为109.83μg/m~3，西北方向夏季气流携带的O_3浓度最高，为122.02μg/m~3。大连市PM_(2.5)和O_3污染受到山东省东北部、京津冀西南部和渤海海域等地区远距离输送的影响。研究结果表明，发生PM_(2.5)-O_3复合污染的气象条件更为严苛，大气污染区域联合防控时应重点关注山东省东北部、京津冀西南部等城市的外来输送影响。

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Composite Pollution Characteristics and Potential Source Area Analysis of PM2.5-O3 in Dalian City

DOI：10.19672/j.cnki.1003-6504.0080.23.338

摘要

Abstract

关键词

Keywords

references

Composite Pollution Characteristics and Potential Source Area Analysis of PM_2.5-O₃ in Dalian City