温州市灰霾污染的特征与成因分析

被引：5

作者：

徐港 ^{[1
]}

王斯 ^{[1
]}

李鹏飞 ^{[1
]}

俞绍才 ^{[1
]}

刘维屏 ^{[1
]}

郑仙珏 ^{[2
]}

机构：

[1] 浙江大学环境与资源学院污染环境修复与生态健康教育部重点实验室空气污染与健康研究中心

[2] 杭州市环境监测中心站

来源：

环境污染与防治 | 2017年 / 39卷 / 10期

关键词：

灰霾; 统计学分析方法; 混合受体模式; 污染特征; 成因;

D O I：

10.15985/j.cnki.1001-3865.2017.10.012

中图分类号：

X513 [粒状污染物];

学科分类号：

083001 [环境科学];

摘要：

利用高时空分辨率的监测数据,结合混合受体模式,运用统计学分析方法,研究温州市2013—2014年大气污染物时间变化特征,并对2013年12月初严重灰霾污染事件进行案例分析。结果表明:春、冬季PM2.5平均值明显高于夏、秋季。本地PM2.5浓度受二次细颗粒物的形成、区域传输以及气象条件的影响,交通运输源是重要来源。春季PM2.5/CO(质量比)最高(尤其在凌晨和下午两个时段),此时二次细颗粒物的贡献较大。案例分析发现,安徽省及长三角地区的工业化发达区域(特别是上海市、宁波市等沿海城市)是温州市严重灰霾污染的主要潜在源区;沈阳市也是重要潜在源区,传输路径为海上通道。

引用

页码：1101 / 1107

页数：7

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