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重庆市沙坪坝区环境空气PM2.5和PM10相关性分析

Lin CHEN,Wan-ming XIONG,Jie LI,Ke-ya CHEN

Journal of Southwest China Normal University(Natural Science Edition)（2017）

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Abstract
以重庆市沙坪坝区国控空气自动监测点为例,研究了细颗粒物(PM2.5)和可吸人颗粒物(PM10)污染现状和相关性.结果表明:颗粒物,尤其是细颗粒物(PM2.5),是影响城市环境空气质量的主要污染因子,尤其是在春、冬季节易导致污染天气.大气扩散条件不佳,颗粒物质量浓度越高,细颗粒物(PM2.5)在可吸入颗粒物(PM10)中的比重也越高.细颗粒物(PM2.5)和可吸入颗粒物(PM10)具有较好的统计相关性,两者可能具有同源性,在环境空气污染中的变化规律相似,有可能遵循相同的迁移转化规律,可以进行协同治理.
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Key words
ambient air,particulate matter,pollution,correlation analysis,Chongqing
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