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魏华炜, 罗绪强, 廖晶晶, 罗光杰, 彭庆康. 贵阳市白云区大气PM10和PM2.5污染特征[J]. 环境工程学报, 2016, 10(4): 1874-1882. doi: 10.12030/j.cjee.20160447
引用本文: 魏华炜, 罗绪强, 廖晶晶, 罗光杰, 彭庆康. 贵阳市白云区大气PM10和PM2.5污染特征[J]. 环境工程学报, 2016, 10(4): 1874-1882. doi: 10.12030/j.cjee.20160447
shu
Wei Huawei, Luo Xuqiang, Liao Jingjing, Luo Guangjie, Peng Qingkang. Pollution characteristics of PM10 and PM2.5 in Baiyun District of Guiyang[J]. Chinese Journal of Environmental Engineering, 2016, 10(4): 1874-1882. doi: 10.12030/j.cjee.20160447
Citation: Wei Huawei, Luo Xuqiang, Liao Jingjing, Luo Guangjie, Peng Qingkang. Pollution characteristics of PM10 and PM2.5 in Baiyun District of Guiyang[J]. Chinese Journal of Environmental Engineering, 2016, 10(4): 1874-1882. doi: 10.12030/j.cjee.20160447
shu

贵阳市白云区大气PM10和PM2.5污染特征

  • 1.

    白云区环境监测站, 贵阳 550014

  • 2.

    贵州师范学院地理与旅游学院, 贵阳 550018

  • 基金项目:

    国家自然科学基金资助项目(41563007)

    贵州省优秀科技教育人才省长资金项目(黔省专合字(2012)80号)

    贵州省环境科学教学团队项目(黔教高[2012]426号)

    贵州师范学院环境科学教学团队项目(贵师院[2012]47号)

  • 中图分类号: X701

Pollution characteristics of PM10 and PM2.5 in Baiyun District of Guiyang

  • 1.

    Baiyun District Environmental Monitoring Station, Guiyang 550014, China

  • 2.

    College of Geography and Tourism, Guizhou Normal College, Guiyang 550018, China

  • Fund Project:

  • 摘要: 使用β射线法在线监测仪连续监测了贵阳市白云区 PM10和 PM2.5浓度,分析了2014年6月1 日-12月31日7个月内PM10、PM2.5 的浓度水平、时变规律和PM2.5/PM10的变化情况。结果表明,监测时段内 PM10和 PM2.5的日均浓度平均值分别为76.8 μg/m3和40.0 μg/m3,均达到国家二级标准;浓度超标的天数占总观测天数的5.1% 和 9.3%,属污染轻微的地区。PM2.5/PM10在25.3%~78.8%之间周期性波动,平均值为52.1%。PM10 和 PM2.5的浓度变化具有很好的正相关性(r=0.919 8,p10和PM2.5浓度最高且变化最为剧烈,6月最为平缓。PM10和PM2.5浓度小时变化总体上呈双峰型分布,最高值出现在出现在09:00-10:00和19:00-21:00前后,最低值出现在14:00-17:00 之间。
    Abstract: Concentrations of PM10 and PM2.5 were continuously monitored at an environmental monitoring station in the Baiyun District of Guiyang using an automatic on-line beta-ray absorption method particulate monitor. The concentration level, the temporal variation characteristics of PM10 and PM2.5, and the variation in PM2.5/PM10 were analyzed for a seven-month period spanning from June 1 to December 31, 2014. The average daily concentrations of PM10 and PM2.5 during the seven months were 76.8 μg/m3 and 40.0 μg/m3, respectively, which reached the respective national secondary standards for these particulates. The percentage of days exceeding the national secondary air quality standard were 5.1% and 9.3% for PM10 and PM2.5, respectively. Particulate pollution is slight in the Baiyun District of Guiyang. PM2.5/PM10 ranged from 25.3% to 78.8%, with an average of 52.1%. The concentrations of PM10 and PM2.5 were positively correlated (r=0.919 8, p10 and PM2.5 showed obvious periodic variations, which were relatively stable. The average concentrations in December were highest and most varied, while those in June were low. The diurnal variations of PM10 and PM2.5 concentrations showed a bimodal distribution. The maximum values appeared at about 09:00 to 10:00 and 19:00 to 21:00 and the minimum value appeared between 14:00 and 17:00.
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  • 收稿日期:  2015-02-03
  • 刊出日期:  2016-04-15
魏华炜, 罗绪强, 廖晶晶, 罗光杰, 彭庆康. 贵阳市白云区大气PM10和PM2.5污染特征[J]. 环境工程学报, 2016, 10(4): 1874-1882. doi: 10.12030/j.cjee.20160447
引用本文: 魏华炜, 罗绪强, 廖晶晶, 罗光杰, 彭庆康. 贵阳市白云区大气PM10和PM2.5污染特征[J]. 环境工程学报, 2016, 10(4): 1874-1882. doi: 10.12030/j.cjee.20160447
shu
Wei Huawei, Luo Xuqiang, Liao Jingjing, Luo Guangjie, Peng Qingkang. Pollution characteristics of PM10 and PM2.5 in Baiyun District of Guiyang[J]. Chinese Journal of Environmental Engineering, 2016, 10(4): 1874-1882. doi: 10.12030/j.cjee.20160447
Citation: Wei Huawei, Luo Xuqiang, Liao Jingjing, Luo Guangjie, Peng Qingkang. Pollution characteristics of PM10 and PM2.5 in Baiyun District of Guiyang[J]. Chinese Journal of Environmental Engineering, 2016, 10(4): 1874-1882. doi: 10.12030/j.cjee.20160447
shu

贵阳市白云区大气PM10和PM2.5污染特征

  • 1. 白云区环境监测站, 贵阳 550014
  • 2. 贵州师范学院地理与旅游学院, 贵阳 550018
  • 收稿日期:  2015-02-03
基金项目:

国家自然科学基金资助项目(41563007)

贵州省优秀科技教育人才省长资金项目(黔省专合字(2012)80号)

贵州省环境科学教学团队项目(黔教高[2012]426号)

贵州师范学院环境科学教学团队项目(贵师院[2012]47号)

摘要: 使用β射线法在线监测仪连续监测了贵阳市白云区 PM10和 PM2.5浓度,分析了2014年6月1 日-12月31日7个月内PM10、PM2.5 的浓度水平、时变规律和PM2.5/PM10的变化情况。结果表明,监测时段内 PM10和 PM2.5的日均浓度平均值分别为76.8 μg/m3和40.0 μg/m3,均达到国家二级标准;浓度超标的天数占总观测天数的5.1% 和 9.3%,属污染轻微的地区。PM2.5/PM10在25.3%~78.8%之间周期性波动,平均值为52.1%。PM10 和 PM2.5的浓度变化具有很好的正相关性(r=0.919 8,p10和PM2.5浓度最高且变化最为剧烈,6月最为平缓。PM10和PM2.5浓度小时变化总体上呈双峰型分布,最高值出现在出现在09:00-10:00和19:00-21:00前后,最低值出现在14:00-17:00 之间。

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