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香港港口氮氧化物和臭氧的变化特征和周末效应

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吕慧珂, 何红弟, 郝杨杨. 香港港口氮氧化物和臭氧的变化特征和周末效应[J]. 环境工程学报, 2017, 11(7): 4196-4201. doi: 10.12030/j.cjee.201605059
引用本文: 吕慧珂, 何红弟, 郝杨杨. 香港港口氮氧化物和臭氧的变化特征和周末效应[J]. 环境工程学报, 2017, 11(7): 4196-4201. doi: 10.12030/j.cjee.201605059
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LYU Huike, HE Hongdi, HAO Yangyang. Variation characteristics and weekend effect of nitrogen oxides and ozone in Hong Kong Port[J]. Chinese Journal of Environmental Engineering, 2017, 11(7): 4196-4201. doi: 10.12030/j.cjee.201605059
Citation: LYU Huike, HE Hongdi, HAO Yangyang. Variation characteristics and weekend effect of nitrogen oxides and ozone in Hong Kong Port[J]. Chinese Journal of Environmental Engineering, 2017, 11(7): 4196-4201. doi: 10.12030/j.cjee.201605059
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香港港口氮氧化物和臭氧的变化特征和周末效应

  • 1.

    上海海事大学物流研究中心, 上海 201306

  • 基金项目:

    国家自然科学基金资助项目（11302125）

    上海市科学技术委员会科研计划项目（14DZ2280200）

  • 中图分类号: X511

Variation characteristics and weekend effect of nitrogen oxides and ozone in Hong Kong Port

  • 1.

    Logistics Research Center, Shanghai Maritime University, Shanghai 201306, China

  • Fund Project:

  • 摘要: 为了研究香港港口氮氧化物和臭氧（NO2、NOx和O3）的周末效应，本文收集香港港口15年的污染数据进行统计分析。首先分析污染物的日变化特征，结果发现工作日NO2和NOx浓度高于周六，周六浓度高于周日的情形。与此相反，工作日O3浓度低于周六，周六浓度低于周日。其次分析污染物年变化，结果表明近些年NO2和NOx呈降低趋势，O3呈增加趋势。还发现NO2、NOx和O3的周末效应减弱。然后使用线性回归分析光化学氧化剂（OX，O3+NO2）的局地和区域贡献，结果发现受港口作业周期性变化的影响，OX的局地贡献表现出工作日高于周六，周六高于周日的周末效应现象。最后分析了OX局地贡献的昼夜差异，结果显示白天OX局地贡献的周末效应明显强于晚上。
    Abstract: To study the weekend effect of pollutants in Hong Kong port, pollution data of NO2, NOx, and O3 from 2 000 to 2014 were selected and analyzed. Firstly, based on the daily average data, NO2 and NOx concentrations on workdays were found to be higher than those on Saturdays and, in turn, these values were higher than those on Sundays. However, O3 concentrations on workdays were found to be lower than those on Saturdays and, in turn, these values were lower than those on Sundays. Secondly, based on yearly data, NO2 and NOx showed a decreasing trend, but O3 showed an increasing trend. Meanwhile, weekend effects for NO2, NOx, and O3 in recent years were found to be less conspicuous. Thirdly, the local and regional contributions of O3 were explored. Due to port operations, local contribution of oxidants on port on workdays exceeded the corresponding contributions on both Saturdays and Sundays. Finally, results showed that the weekend effect of the local contribution of oxidants during daytime was stronger than during nighttime.
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  • 收稿日期:  2016-07-27
  • 刊出日期:  2017-07-06

香港港口氮氧化物和臭氧的变化特征和周末效应

  • 1. 上海海事大学物流研究中心, 上海 201306
  • 收稿日期:  2016-07-27
基金项目:

国家自然科学基金资助项目（11302125）

上海市科学技术委员会科研计划项目（14DZ2280200）

摘要: 为了研究香港港口氮氧化物和臭氧（NO2、NOx和O3）的周末效应，本文收集香港港口15年的污染数据进行统计分析。首先分析污染物的日变化特征，结果发现工作日NO2和NOx浓度高于周六，周六浓度高于周日的情形。与此相反，工作日O3浓度低于周六，周六浓度低于周日。其次分析污染物年变化，结果表明近些年NO2和NOx呈降低趋势，O3呈增加趋势。还发现NO2、NOx和O3的周末效应减弱。然后使用线性回归分析光化学氧化剂（OX，O3+NO2）的局地和区域贡献，结果发现受港口作业周期性变化的影响，OX的局地贡献表现出工作日高于周六，周六高于周日的周末效应现象。最后分析了OX局地贡献的昼夜差异，结果显示白天OX局地贡献的周末效应明显强于晚上。

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