摘要：随着科学技术的进步，城市大气颗粒物及臭氧的污染情况也越来越复杂，通过对典型城市大气颗粒物及臭氧的变化研究，总结其污染特征，并对其污染源进行来源解析，从而得出城市大气污染的特征规律及治理对策，对指导一般城市的大气污染治理有一定参考价值。本文首先阐明典型城市大气颗粒物及臭氧的国内外研究进展，对所选研究城市的空气污染状况进行介绍，选取不同区域的国控站做采样点进行颗粒物及臭氧样品采集，对采集的样品进行分析处理，根据监测数据对不同区域浓度值及时间浓度值进行特征分析，对典型城市大气颗粒物及臭氧的污染特征进行总结，分析颗粒物及臭氧的浓度组分占比以及相关数据，通过PMF模型进行来源解析研究，了解各污染源的贡献率，从而指导制定城市大气污染控制的基本方略。82413

毕业论文关键字： PM2。5；PM10；臭氧；污染特征；源解析

Typical city atmosphere particulate matter and ozone pollute feature and source apportion

Abstract：With the progress of science and technology, the city atmospheric particulate matter and ozone pollution is becoming more and more complex, according to the research of the typical urban atmospheric particulate matter and ozone, summarizes its pollution characteristics, and the pollution source analysis, and concluded the characteristics of the urban air pollution rules and control measures, it has a certain reference value to guide the general urban atmospheric pollution control。 At first, this paper expounds the typical urban atmospheric particulate matter and ozone research progress both at home and abroad, research on the selected city is introduced, the situation of the air pollution in different areas of the selection by the station do sampling point of particulate matter and ozone samples, to analyze the collected samples, according to the analysis of the data for the different area density and time density characteristics analysis, analysis of PM2。5 and PM10 and the concentration of ozone data, through the model of PMF source analytical research, we can understand the contribution of each pollution source, it’s meaningful to guide the study on the control strategy for urban air pollution。

KeyWords：Particulate matter；Ozone；Pollute feature；Source apportion

目录

1 研究背景 1

1。1 大气颗粒物污染研究 1

1。1。1 大气颗粒物的定义与分类 1

1。1。2 大气细颗粒物的化学组成 1

1。1。3 大气细颗粒物的环境效应 2

1。1。4 大气颗粒物源解析技术研究进展 3

1。2 大气臭氧污染研究 4

1。2。1 臭氧的定义及性质 4

1。2。2 臭氧污染及危害 4

1。3 所选研究对象城市的大气污染概况 5

1。3。1 所选城市地理气象工业概况 5

1。3。2 所选城市空气质量概况 5

1。3。3 所选城市近3年污染物变化情况 7

1。4 研究目的及主要内容 8

2 样品的采集与分析 9

2。1 采样点设置 9

2。2 颗粒物样品的采集与分析 10

2。2。1 颗粒物样品的采集