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遥感技术与应用
遥感应用     
基于OMI卫星遥感评估2015年阅兵期间华北地区SO2和NO2减排成效
张晗1,3,余超1,2,苏林1,王雅鹏1,3,陈良富1
(1.中国科学院遥感与数字地球研究所 遥感科学国家重点实验室,北京100101;2.清华大学环境学院 环境模拟与污染控制国家重点联合实验室,北京100084;3.中国科学院大学,北京100049)
Analysis on Effectiveness of SO2 and NO2 Emission Reduction in North China Plain by OMI Data during the Military Parade 2015
Zhang Han1,3,Yu Chao1,2,Su Lin1,Wang Yapeng1,3,Cheng Liangfu1
(1.State Key Laboratory of Remote Sensing Science,Institute of Remote Sensing and Digital Earth,Chinese Academy of Sciences,Beijing 100101,China;2.State Key Joint Laboratory of EnvironmentSimulation and Pollution Control,Beijing 100084,China;3.University of ChineseAcademy of Sciences,Beijing 100049,China)
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摘要:
基于卫星观测具有实时大范围的优势,利用OMI传感器观测数据得到阅兵期间(8.1~9.20)华北地区边界层SO2柱浓度和对流层NO2垂直柱浓度,分析2015年减排前(8.1~8.19)、周边减排(8.20~8.27)、全面减排(8.28~9.3)、减排后(9.4~9.20)的SO2、NO2浓度变化情况,以及相比于前3年同期分布的变化,评价了阅兵期间北京及周边7省区市联防联控减排措施的效果。研究发现:2015年华北地区SO2、NO2浓度均在全面减排期间达到最低值,与前三年同期相比,全面减排期间京津冀地区SO2浓度下降46%,NO2浓度下降18%;外围地区SO2浓度下降37%,NO2浓度下降10%。减排措施取消后,与前三年同期相比,京津冀地区SO2浓度回升到前三年的水平,NO2浓度增加19%,表明华北地区联动减排措施有效降低了SO2、NO2的浓度。卫星凭借实时、大范围的优势,可有效监测污染物的时空分布,为减排措施的制定与评估提供有力的依据。
关键词: 阅兵蓝卫星遥感区域大气污染减排措施    
Abstract:
During the military parade 2015(September 3rd),emission control measures were implemented in Beijing and surrounding areas.To evaluate the effect of these measures,we use theplanetary boundary layer SO2 column densities and tropospheric NO2 column densities observed from the satellite instruments OMI in this study.We preprocessed satellite data and calculated the average of time and space from August 1 to September 20 in Beijing,JingJinJi region and surrounding regions (Shandong,Henan,Shanxi and Inner Mongolia).Finally,we plotted SO2 and NO2 space distributions of Beijing and North China Plain.We analyzed the space distribution of North China Plain SO2 and NO2 concentration during the period of the military parade 2015.It shows that both SO2 column densities and NO2column densities reach the minimum during the period of the acrosstheboard emission reductions.Compared to the past three years (2012-2014),NO2 and SO2 column densities were found to manifest significant reductions over North China Plain.During the period of emission reductions (Aug. 20Sep. 3),the study showed about 18% and 46% reduction of NO2and SO2 concentration in the JingJinJi region and decrease of NO2 by 10% and SO2 by 37% in the surrounding regions.However,air quality plummeted after the lifting of local and regional joint emission source control measures.Compared to the past three years,it showed increase of NO2 by 19% and SO2 by 1% in the JingJinJiregion.SO2 concentration increased by 30% over Beijing especially.It suggests the effectiveness of regional joint emission source control measures.Our study indicates that the emission source control measures were effective in Beijing and surrounding provinces during the military parade.With the advantage of realtime and largescale,observation from space could be applied to atmospheric pollution monitoring and assessment of emission control measures.
Key words: Parade blue    Remote sensing    Regional atmosphere pollutants    Emission control
收稿日期: 2016-06-19 出版日期: 2017-09-13
:  TP 79  
基金资助:
高分辨率对地观测系统重大专项项目(05Y20A16900115/171),国家自然科学基金项目(41501476)。
张晗(1992-),女,山东泰安人,硕士研究生,主要从事大气遥感方面的研究。Email:zhanghan@radi.ac.cn。
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张晗
余超
苏林
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引用本文:

张晗,余超,苏林,王雅鹏,陈良富. 基于OMI卫星遥感评估2015年阅兵期间华北地区SO2和NO2减排成效[J]. 遥感技术与应用, 10.11873/j.issn.1004-0323.2017.4.0734.

Zhang Han,Yu Chao,Su Lin,Wang Yapeng,Cheng Liangfu. Analysis on Effectiveness of SO2 and NO2 Emission Reduction in North China Plain by OMI Data during the Military Parade 2015. Remote Sensing Technology and Application, 10.11873/j.issn.1004-0323.2017.4.0734.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2017.4.0734        http://www.rsta.ac.cn/CN/Y2017/V32/I4/734

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