朱唯一,胡晓军,汪水兵,张红,洪星园,卫尤文,秦志勇

• 1:合肥大学生物食品与环境学院
• 2:安徽省生态环境科学研究院大气所(绿色低碳研究中心)

摘要(Abstract)：

文章基于2018—2023年马鞍山市的环境空气质量与气象数据，同时结合全球资料同化系统（global data assimilation system, GDAS）气象资料，分析了该市臭氧（O_3）污染演变特征及其一次污染过程成因。结果表明：该市O_3年均浓度呈现“先增加后降低再增加”的趋势，季均浓度由大到小依次为夏季、春季、秋季、冬季，同时月均浓度呈现“双峰型”，而日浓度呈现“单峰型”；2023年6月8～17日典型O_3污染过程分为聚集（6月8日）、污染（6月9～16日）和消散（6月17日）三个阶段，期间O_3浓度与相对湿度呈现负相关，与温度和风速呈现正相关，高温（29～36°C）、低湿（相对湿度17%～21%）、小风（风速1.2～2.8 m/s）有利于O_3污染生成；O_3污染受主要前体物VOCs和NO_x二次转化影响显著，并且受到偏西和偏东南污染气团的传输影响。

关键词(KeyWords)： 臭氧;一次污染;污染特征;污染成因;马鞍山市

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(U22A20405)

作者(Author): 朱唯一,胡晓军,汪水兵,张红,洪星园,卫尤文,秦志勇

DOI: 10.13757/j.cnki.cn34-1328/n.2025.03.014

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