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基于卫星观测的2005—2015年京津冀地区NO2柱浓度分布及变化趋势

游志强 尉鹏 邱雄辉 高健 朱云 王淑兰 柴发合

游志强, 尉鹏, 邱雄辉, 高健, 朱云, 王淑兰, 柴发合. 基于卫星观测的2005—2015年京津冀地区NO2柱浓度分布及变化趋势[J]. 环境科学研究, 2016, 29(10): 1400-1407.
引用本文: 游志强, 尉鹏, 邱雄辉, 高健, 朱云, 王淑兰, 柴发合. 基于卫星观测的2005—2015年京津冀地区NO2柱浓度分布及变化趋势[J]. 环境科学研究, 2016, 29(10): 1400-1407.
YOU Zhiqiang, WEI Peng, QIU Xionghui, GAO Jian, ZHU Yun, WANG Shulan, CHAI Fahe. Spatial and Temporal Variation of Vertical Column Density of Tropospheric NO2 over the Beijing-Tianjin-Hebei Region based on Satellite Observation during 2005-2015[J]. Research of Environmental Sciences, 2016, 29(10): 1400-1407.
Citation: YOU Zhiqiang, WEI Peng, QIU Xionghui, GAO Jian, ZHU Yun, WANG Shulan, CHAI Fahe. Spatial and Temporal Variation of Vertical Column Density of Tropospheric NO2 over the Beijing-Tianjin-Hebei Region based on Satellite Observation during 2005-2015[J]. Research of Environmental Sciences, 2016, 29(10): 1400-1407.

基于卫星观测的2005—2015年京津冀地区NO2柱浓度分布及变化趋势

基金项目: 国家自然科学基金项目(41375132,91544226);北京市科技计划项目(Z131100006113013)

Spatial and Temporal Variation of Vertical Column Density of Tropospheric NO2 over the Beijing-Tianjin-Hebei Region based on Satellite Observation during 2005-2015

  • 摘要: 为更好地了解京津冀地区NO2浓度的长期时空分布变化特征,对2005—2015年京津冀地区对流层NO2柱浓度数据进行了统计分析.结果表明,京津冀地区对流层NO2柱浓度在2005—2010年增加明显,年均复合增长率为6.8%,并在2010年达到峰值,为1 329.07×1013 mol/cm2;2010—2013年保持相对稳定;2013—2015年显著下降,降幅达26.2%.2015年NO2柱浓度为964.43×1013 mol/cm2,基本与2005年的浓度水平持平.北京地区NO2柱浓度最先开始下降并保持降低趋势,其中北京市城区降幅远大于郊区,并在2015年达到最低值,为1 647.38×1013 mol/cm2;天津市城、郊区NO2柱浓度变化相近,总体上均呈先增后减的趋势,并且均在2010年达到峰值,分别为2 686.96×1013、2 019.36×1013 mol/cm2;而河北省西南部(石家庄、邢台、邯郸市)在近两年降幅最为明显,均在35.0%以上.京津冀对流层NO2柱浓度呈由南向北递减的空间分布趋势,高值区主要分布于京津唐一带以及河北省南部沿太行山一带.研究显示,虽然近年来京津冀地区NO2柱浓度降幅明显,但相比于周边地区仍面临较大的减排压力.

     

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出版历程
  • 收稿日期:  2016-04-08
  • 修回日期:  2016-06-08
  • 刊出日期:  2016-10-25

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