Yellow-sand events are the strongest natural signal of the long-range transport of air pollution. However, the state-of-art technology such as isentrophic trajectory models and satellite imaging techniques has limitations on the exact path or height of yellow-sand movement in the atmosphere. In this paper we are presenting the vertical profiles of the light extinction coefficient by the tropospheric aerosols measured by a micro pulse lidar, which clearly shows the height and thickness of yellow-sand movement. Aerosol size distributions and chemical compositions are also analyzed with an optical particle counter, a cascade impactor, ion chromatography, and an atomic absorption spectrometer.


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    Title :

    Aerosol and yellow-sand monitoring with a micro pulse lidar in Seoul


    Contributors:


    Publication date :

    1999-01-01


    Size :

    138998 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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