Based on the data of 7 atmospheric dust-fall monitoring sites from January 2021 to February 2024,the temporal and spatial distribu-tion characteristics of atmospheric dust-fall in Wuxi City were analyzed.The results showed that during the period from 2021 to 2023,the atmos-pheric dust-fall in Wuxi City showed a fluctuating and decreasing trend with obvious seasonal characteristics,which showed that the atmospheric dust-fall in spring and summer was higher than that in autumn and winter,and the change range of average monthly atmospheric dust-fall was between 2.3 and 3.5(t/month·km2).Atmospheric dust-fall was greatly affected by human activities,wind speed and urban dust,and was consistent with the pollution source of PM10.
关键词
大气降尘/时空分布/无锡市
Key words
Atmospheric Dust-fall/Temporal and Spatial Distribution/Wuxi City
维普
万方数据