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北京市PM2.5质量浓度与气象因子的关系 被引量:2

Relationship between mass concentration of PM2.5 and meteorological factors in Beijing
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摘要 气象因子与PM2.5的时空分布密不可分,研究两者之间的关系是PM2.5源解析与精确预测的理论基础。本文采用spearman相关系数分析了2014年北京市逐小时气象数据对PM2.5质量浓度影响的时间延迟效应,通过编程统计数据的分类信息,探索各气象因子与PM2.5质量浓度关系。结果表明,风速和相对湿度对PM2.5的影响存在不同程度的时间延迟,且与PM2.5相关性较大;相对湿度处于30%RH^80%RH之间有利于PM2.5的产生;风速大于3级有利于PM2.5的消散;西北风与良好的空气质量有关,东南风与污染加重有关。
作者 藉雪峰
出处 《内蒙古煤炭经济》 2018年第8期18-19,共2页 Inner Mongolia Coal Economy
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