影响株洲火车站广场空气质量的因素研究

Study on the Influence Factors of Air Quality of Zhuzhou Railway Station Square

为了探究影响火车站广场污染物(总悬浮颗粒物和可吸入颗粒物)质量浓度的因素,以株洲火车站广场为研究对象,对总悬浮颗粒物和可吸入颗粒物质量浓度与人流密度、车流量的变化关系进行了试验性研究。结果表明,总悬浮颗粒物质量浓度与人流密度、车流量都呈正相关,其主要影响因素是车流量;可吸入颗粒物质量浓度与人流密度呈正相关,与车流量不呈明显的正相关,其主要影响因素是人流密度。细菌和病毒以可吸入颗粒物为载体被人体吸入而致病,因此人们活动时应尽量避开广场人流密度大的地方。

In order to explore the factors which influence the pollutants （total suspended particulates and inhalable particulate matter） mass concentration in railway station square, with Zhuzhou railway station square as a case, makes experimental research on the relations between the total suspended particulates, the inhalable particulate matter mass concentration, people flow density and vehicle flow. The result shows that the total suspended particle mass concentration are positively correlated with people flow density and vehicle flow, whose main factor is vehicle flow, and the inhalable particulate matter mass concentration are positively correlated with people flow density, vehicle flow is not significantly correlated, whose main factor is people flow density. Bacteria and viruses with respirable particulate matter as carriers are inhaled by human body and make people sick, therefore people should try to avoid squares with high people flow density when doing activities.