马鞍山市大气降尘污染特征分析

Characteristic Analysis of Air Fall - dust Pollution in the City of Ma anashan

以马鞍山市近8年各监测点位降尘监测数据资料为依据,分析了该市大气降尘污染变化趋势,总结出市内不同功能区域降尘污染时空分布特征,研究结果表明:马鞍山市大气降尘污染明显减低,但局部区域还存在一定程度污染。降尘污染物的分布与各功能区所处地理位置、自然环境条件和气象因素密切相关。

On the base of the data of fall - dust monitoning of all the spots in the city of Ma anshan in the recent eight years, the paper analysis the changing tendency of the fall - dust pollution and sums up the time - area distribution character of fall - dust pollution in the different function districts of the city.The result indicates that air pollution in the city has been obviously decreasing, but the pollution still exsists in some districts. The distribution of fall - dust pollution is relative to the position,circumstances and weather in different function districts of the city.