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周岳, 屈垚, 张勇, et al. Air Quality and Industrial Characteristics of Typical Cities During Control Period in China[J]. 2024, 47(S1): 118-126.
周岳, 屈垚, 张勇, et al. Air Quality and Industrial Characteristics of Typical Cities During Control Period in China[J]. 2024, 47(S1): 118-126. DOI: 10.19672/j.cnki.1003-6504.2118.22.338.
为探讨中国典型城市在极端人为源管控条件下空气质量和产业特征,文章分析了2018-2020年1-5月武汉、北京、上海、广州、西安、成都和拉萨等7个城市空气质量及产业发展指标;同比了极端人为管控期大气污染物浓度及经济产业指标变化特征。结果表明:受极端人为管控影响,管控期各污染物浓度同比、环比均出现显著降低,其中NO_2浓度环比下降幅度最大,约为50%,其次是PM_(2.5)和PM_(10),百分比为30%~40%。但O_3浓度总体呈现上升趋势,未来需进一步采取措施,加强PM_(2.5)和O_3协同控制,推动城市空气质量持续改善。各城市不同管控力度对大气污染浓度变化有显著影响。此外,对比了2020年第一和第二季度3类产业发展状况,北京、广州、西安和成都均为第一产业产值恢复速度较快,第三产业增长率最慢为10%;同比3类产业表明管控措施对第二产业影响较大。
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