【摘要】 日益突出的臭氧（O₃）污染已成为继PM2. 5之后我国大气污染防治的又一艰巨任务。由于氮氧化物（NO_x）、挥发性有机物（VOCs）这2种前体物的减排难度较大,且与O₃浓度存在复杂的非线性关系,准确获取O₃及NO_x、VOCs的时空分布对制定有效的防控措施至关重要。基于卫星遥感可定量反演O₃及2种前体物的代表性物种——二氧化氮（NO₂）、甲醛（HCHO）及乙二醛（C₂H₂O₂）的时空分布信息。面向区域O₃污染分析和防控应用,综述了卫星遥感对O₃及NO₂、HCHO、C₂H₂O₂的探测能力,以及利用遥感手段分析区域O₃及其前体物的传输。进而从O₃与NO_x、VOCs关系的角度,分析了利用卫星反演的前体物表征O₃生成风险的可行性。最后对卫星在区域O₃及其前体物监测方面的前景趋势提出了思考。更多还原

【Abstract】 The increasingly prominent ozone（O₃） pollution is the second most arduous task of air pollution control after PM2. 5 in China. Considering that the emission reduction of nitrogen oxides（NO_x） and volatile organic compounds（VOCs） is difficult,and there is a complex nonlinear relationship with O₃,so it is important to accurately obtain the spatial and temporal distribution of O₃,NO_x and VOCs for the formulation of effective prevention and control measures. The spatial and temporal distribution of O₃ and two representative species of precursors,nitrogen dioxide（NO₂）,formaldehyde（HCHO） and glyoxal（C₂H₂O₂）,can be retrieved quantitatively based on satellite remote sensing. Focused on the analysis and control of regional ozone pollution,this paper summarized the detection ability of satellite remote sensing to O₃,NO₂,HCHO and C₂H₂O₂,and analyzed the transport of regional O₃ and its precursors by remote sensing. The feasibility of using satellite inversion precursors to characterize O₃ generation risk was analyzed from the perspective of the relationship between O₃-NO_x-VOCs. Finally,the future trend of satellite in regional O₃ and precursor monitoring was discussed.更多还原