路边公园环境颗粒物浓度变化规律初探
Preliminary Investigation on Variations of Particle Concentrations in Park beside Road
DOI: 10.12677/AEP.2019.96109, PDF,    国家科技经费支持
作者: 陈美云, 陈 余, 刘雨萱, 李玉华*, 董 硕, 陈鑫玉：湖北大学资源环境学院，湖北 武汉；史红文：武汉市园林科学研究院，湖北 武汉
关键词: 道路边；公园；颗粒物；变化规律；Roadside； Park； Particle； Variation Rules
摘要: 本文以道路边公园为研究对象，探讨路边公园内颗粒物PM2.5和PM10在公园绿化带内的时空分布规律，并初步探究其浓度影响因素。研究结果表明，道路边公园内PM2.5和PM10浓度在低浓度和高浓度水平时，其变化规律有所差异。但在上午时间段内，无论浓度水平，颗粒物浓度均为下降趋势。与道路边的距离超过30 m后绿化带内颗粒物浓度水平趋于稳定，且低于道路边颗粒物水平。公园内颗粒物浓度与温度呈负相关，在低浓度水平时与湿度相关性弱，在高浓度水平时与湿度呈正相关。
Abstract: Spatiotemporal distribution and influence factors of particle (including PM2.5 and PM10) concen-trations in park beside road were investigated. The results indicated that the variations of higher PM2.5 and PM10 concentrations were different from that of lower concentrations. However, down-trend of particle concentration was observed in the morning for all the monitoring days. The par-ticle concentration tended to be stable and lower than that of the roadside in the area in the park where the distance between the area and the road was more than 30 m. Air temperature had neg-ative effect on the particle concentration in the park. The particle concentration increased with the relative humidity at higher concentration. However, there was weak correlation between particle concentration and relative humidity at lower concentration.
文章引用：陈美云, 史红文, 陈余, 刘雨萱, 李玉华, 董硕, 陈鑫玉. 路边公园环境颗粒物浓度变化规律初探[J]. 环境保护前沿, 2019, 9(6): 833-841. https://doi.org/10.12677/AEP.2019.96109

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