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2003•The Research of Environmental SciencesRequires access

Effects of Dust Storms on Atmospheric Aerosols in Qingdao in Spring 2002

Sheng Li

Open publisher page 7 citations

Abstract

Effects of two dust storms respectively in March 15～19 and March 21～23 on atmospheric aerosol concentrations are analyzed based on TSP,PM10 and size segregated aerosol concentrations obtained in the spring of 2002 in Qingdao.During the two dust storms,TSP mass concentration in Qingdao was 0488 mg/m\+3 and 0721 mg/m\+3,being 28 and 41 times more than normal weather.The 2～7 μm aerosols are main dust aerosol coming to Qingdao from northern dust source region.During the second dust storm,mass concentrations of particulates in the size range of 2～7 μm increased to 30 times,with mass concentration of 21～33 μm particulates as high as 013 mg/m\+3.Continuous observation of PM10 concentration and the surface meteorology data show that dust was transported to Qingdao city by upper air before the surface wind turned to north.

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What this paper is about

Effects of two dust storms respectively in March 15～19 and March 21～23 on atmospheric aerosol concentrations are analyzed based on TSP,PM10 and size segregated aerosol concentrations obtained in the spring of 2002 in Qingdao.During the two dust storms,TSP mass concentration in Qingdao was 0488 mg/m\+3 and 0721 mg/m\+3,being 28 and 41 times more than normal weather.The 2～7 μm aerosols are main dust aerosol coming to Qingdao from northern dust source region.During the second dust storm,mass concentrations of particulates in the size range of 2～7 μm increased to 30 times,with mass concentration of 21～33 μm particulates as high as 013 mg/m\+3.Continuous observation of PM10 concentration and the surface meteorology data show that dust was transported to Qingdao city by upper air before the surface wind turned to north.

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Available abstract

Effects of two dust storms respectively in March 15～19 and March 21～23 on atmospheric aerosol concentrations are analyzed based on TSP,PM10 and size segregated aerosol concentrations obtained in the spring of 2002 in Qingdao.During the two dust storms,TSP mass concentration in Qingdao was 0488 mg/m\+3 and 0721 mg/m\+3,being 28 and 41 times more than normal weather.The 2～7 μm aerosols are main dust aerosol coming to Qingdao from northern dust source region.During the second dust storm,mass concentrations of particulates in the size range of 2～7 μm increased to 30 times,with mass concentration of 21～33 μm particulates as high as 013 mg/m\+3.Continuous observation of PM10 concentration and the surface meteorology data show that dust was transported to Qingdao city by upper air before the surface wind turned to north.

Key concepts: Dust storm, Aerosol, Storm, Particulates, Atmospheric sciences, Environmental science, Mass concentration (chemistry), Spring (device)

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