上海闵行区总悬浮颗粒物污染特征分析

Analysis on Characteristics of Total Suspended Particles in Minhang District of Shanghai

该研究对上海市闵行地区的2010-2013年的总悬浮颗粒物的污染状况进行了调研,同时进行了相关因素的分析。闵行区总悬浮颗粒物的浓度呈现季节性特征,总体趋势是冬季平均水平最高,夏季最低。4 a内监测的最大日平均浓度为1.789 mg/m3,主要是由于蒙古沙尘引起。同时数据显示,降水能够一定程度上降低大气中总悬浮颗粒物的浓度。

This study investigated the total suspended particles(TSP) in Minhang District of Shanghai from the year of 2010 to 2013. The related factors were considered using statistical analysis. The concentrations of TSP exhibit the variations of sea-sonal patterns, and the general trend is the highest average value occurred in in comparison with that the lowest value hap-pened in summer. The largest daily average concentration of TSP was 1.789 mg/m3 during the four years monitoring. This high concentration of TSP was due to the dust originated from Mongolia。 In addition, the data shows that the concentration of TSP in the atmosphere can be reduced to a certain concentration within raining days.