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山东大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (2): 111-116.doi: 10.6040/j.issn.1672-3961.0.2016.401

• 化学与环境 • 上一篇    下一篇

济南市冬季灰霾日PM1.0和PM1.0—2.5污染特征

杨雨蒙1,2,杨凌霄1,2*,张俊美2,王文兴2   

  1. 1. 山东大学环境科学与工程学院, 山东 济南 250100;2. 山东大学环境研究院, 山东 济南 250100
  • 收稿日期:2016-11-03 出版日期:2017-04-20 发布日期:2016-11-03
  • 通讯作者: 杨凌霄(1973— ),女,河南开封人,教授,博士研究生导师,主要研究方向为大气细颗粒物化学组分污染特征,来源及形成机制和区域雾霾形成机制、危害及防控机制.E-mail:yanglingxiao@sdu.edu.cn E-mail:806152179@qq.com
  • 作者简介:杨雨蒙(1991— ),女,河南安阳人,硕士研究生,主要研究方向为大气细颗粒物化学组分污染特征,来源及形成机制.E-mail:806152179@qq.com
  • 基金资助:
    国家自然科学基金资助项目(21307074,21577079)

Characteristics of PM1.0 and PM1.0—2.5in haze days during winter in Jinan

YANG Yumeng1,2, YANG Lingxiao1,2*, ZHANG Junmei2, WANG Wenxing2   

  1. 1. School of Environmental Science and Engineering, Shandong University, Jinan 250100, Shandong, China;
    2. Environmental Research Institute, Shandong University, Jinan 250100, Shandong, China
  • Received:2016-11-03 Online:2017-04-20 Published:2016-11-03

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摘要： 为探讨济南市灰霾日大气细颗粒物的化学组分特征, 于2014-01-15—02-17利用PM1.0、 PM2.5中流量采样仪,离子色谱及OC/EC分析仪等研究手段,对济南市灰霾日PM1.0及PM2.5的浓度水平及化学组成进行了系统研究。结果表明:灰霾日和非灰霾日NO-3、SO2-4、NH+4均为PM1.0和PM2.5的主要成分,灰霾日时NO-3、SO2-4、NH+4质量浓度占PM1.0和PM2.5质量浓度的比例明显升高,并且三种成分质量浓度在PM1.0中均有显著升高,显示二次无机气溶胶的快速增加是灰霾形成的重要因素。碳质组分(OC+EC)是PM1.0及PM2.5中所占比例为第二位的组分,灰霾日OC和二次有机碳(SOC)较非灰霾日明显升高,表明灰霾日更有利于SOC的生成。72 h后向气流轨迹分析表明,起源于山东省内东部及北京、天津一带气流的近地面传输对灰霾形成有重要影响。

关键词: PM1.0—2.5, 后推气流轨迹, 灰霾日, 水溶性无机离子, PM1.0, 碳组分

Abstract: In order to explore the chemical characteristics offine particulate matter(PM)in haze days in Jinan, PM1.0 and PM2.5 samples were collected from 15 January to 17 February, 2014 by using mid-volume samplers, chemical components was was analyzed by using ions chromatography and OC/EC analyzer. The results indicated that SO2-4, NO-3 and NH+4 were the main components in both haze and non-haze days. The three ions contributed more to PM1.0 and PM2.5 in haze days compared with that in non-haze days, and the concentrations of the three ions obviously increased in PM1.0, which suggested that the increase of secondary inorganic aerosol was the main factor of haze formation. Carbon components in PM1.0 and PM2.5 ranked second. OC and secondary organic carbon(SOC)increased in haze days than that in non-haze days and enriched in PM with size less than 1um, which suggested that haze days facilitated the formation of SOC. The 72 h backward trajectories analysis indicated that air masses originated from the east of Shandong Province and Beijing-Tianjin area transported near the ground had an extraordinary effect on pollution level in Jinan during haze days.

Key words: PM1.0, water-soluble inorganic ions, back trajectory, PM1.0—2.5, carbon component, haze days

中图分类号: 

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[1] 谢楠 . 济南市大气细颗粒物水溶性组分及大气传输的研究[J]. 山东大学学报(工学版), 2007, 37(4): 0-0 .
[2] 杨凌霄,侯鲁健,吕波,王文兴,周学华,王哲,周杨,程淑会 . 济南市大气细颗粒物水溶性组分及大气传输的研究[J]. 山东大学学报(工学版), 2007, 37(4): 98-103 .
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