摘要
以无锡市7个大气降尘监测点2021年1月—2024年2月的数据为基础,分析无锡市大气降尘时空分布特征。结果表明,2021—2023年期间,无锡市大气降尘量整体呈现波动下降趋势,具有明显的季节化特征,表现为春、夏季大气降尘量高于秋、冬季,月均大气降尘量的变化范围在2.3~3.5(t/月·km^(2))之间;大气降尘受人类活动、风速和城市扬尘的影响较大,并且和PM 10的污染来源具有一致性。
Based on the data of 7 atmospheric dust-fall monitoring sites from January 2021 to February 2024,the temporal and spatial distribution characteristics of atmospheric dust-fall in Wuxi City were analyzed.The results showed that during the period from^(2)021 to 2023,the atmospheric 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·km^(2)).Atmospheric dust-fall was greatly affected by human activities,wind speed and urban dust,and was consistent with the pollution source of PM 10.
作者
张萌
黄佳欢
魏轲
周嘉铭
Zhang Meng;Huang Jiahuan;Wei Ke;Zhou Jiaming(Taihu Innovation(Wuxi)Science and Technology Research Co.Ltd,Wuxi 214000,China;Wuxi Ecology Environment Monitoring and Control Center,Wuxi 214000,China)
出处
《云南化工》
CAS
2024年第11期151-153,共3页
Yunnan Chemical Technology
关键词
大气降尘
时空分布
无锡市
Atmospheric Dust-fall
Temporal and Spatial Distribution
Wuxi City
