| 北京部分地区大气PM10中多环芳烃的季节性变化 |
| |
| 引用本文： | 周家斌,王铁冠,黄云碧,毛婷,钟宁宁,张逸,张晓山.北京部分地区大气PM10中多环芳烃的季节性变化[J].中国环境科学,2005,25(1):115-119. |
| |
| 作者姓名： | 周家斌 王铁冠 黄云碧 毛婷 钟宁宁 张逸 张晓山 |
| |
| 作者单位： | 1. 石油大学资源与信息学院,北京,102249
2. 中国科学院生态环境研究中心,北京,100085 |
| |
| 基金项目： | 教育部高等学校博士学科点专项基金资助(20030425007) |
| |
| 摘 要： | 采集了北京城乡结合部和郊区 2003 年 4 个季节大气 PM10样品,用超声萃取-GC/MS 技术分析了其多环芳烃的组成.结果表明,17 种母核多环芳烃总量在8.46~296.57ng/m3之间,城乡结合部的浓度是郊区的1.02~1.58倍.PAHs总量的季节性变化与采样时环境温度显示出较好的负相关性,即冬季>秋季>春季>夏季.郊区和城乡结合部冬季 PAHs 总量分别是夏季的 22.25 倍和 34.41 倍,显示了燃煤取暖对北京冬季大气 PAHs 污染的贡献极为显著.运用多种多环芳烃比值综合判断,北京大气 PM10中 PAHs 主要以燃煤和机动车尾气混合来源为主,石油源和木材燃烧源的贡献较小.
|
| 关 键 词： | 可吸入颗粒物(PM10) 多环芳烃 季节性变化 污染源 北京 |
| 文章编号： | 1000-6923(2005)01-0115-05 |
| 修稿时间： | 2004年5月11日 |
Seasonal variation character of polycyclic aromatic hydrocarbons in atmospheric PM10 of partial areas in Beijing |
| |
| ZHOU Jia-bin,WANG Tie-guan,HUANG Yun-bi,MAO Ting,ZHONG Ning-ning,ZHANG Yi,ZHANG Xiao-shan.Seasonal variation character of polycyclic aromatic hydrocarbons in atmospheric PM10 of partial areas in Beijing[J].China Environmental Science,2005,25(1):115-119. |
| |
| Authors: | ZHOU Jia-bin WANG Tie-guan HUANG Yun-bi MAO Ting ZHONG Ning-ning ZHANG Yi ZHANG Xiao-shan |
| |
| Affiliation: | ZHOU Jia-bin1,WANG Tie-guan1,HUANG Yun-bi1,MAO Ting1,ZHONG Ning-ning1,ZHANG Yi2,ZHANG Xiao-shan2 |
| |
| Abstract: | Atmospheric PM10 samples in urban border and suburban of Beijing were collected in four seasons of the year 2003. Its polycyclic aromatic hydrocarbons (PAHs) composition was analyzed with ultrasonic extraction-GC/MS technique. The total amount of 17 unsubstituted PAHs was 8.46~296.57ng/m3, with concentration in urban border 1.02~1.58 times of that in suburban area. Seasonal variation of the PAHs total amount displayed well negative correlation with the surrounding temperature of sampling time, that is winter>autumn>spring>summer. The total PAHs amount in suburbans and urban border in winter was 22.25 and 34.41 times of that in summer respectively, showing that in Beijing the contribution of coal combustion for domestic heating to atmospheric PAHs pollution in winter was very marked. Several ratios of PAHs judged complexly that PAHs in atmospheric PM10 in Beijing came mainly from the mixed source of coal combustion and vehicle exhaust. The contribution of petroleum and wood combustion sources was less. |
| |
| Keywords: | inhalable particulate (PM10) polycyclic aromatic hydrocarbons seasonal variation pollution source Beijing |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
