Droplet Concentration and Size Distribution in Haze and Fog |
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| Authors: | Podzimek Josef |
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| Institution: | (1) Cloud and Aerosol Sciences Laboratory, University of Missouri-Rolla, Rolla, MO 65409-0430, USA |
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| Abstract: | Fog (haze) droplet concentrations and size distributions were measured at five sampling sites representing rural and urban regions and a highly polluted marine-urban environment. Droplet imprints in a thin gelatine layer were evaluated and compared to the measurement by light scattering instruments. This enabled conditions for the application of the logarithmic-normal size distribution and for the classification of typical fog droplet size distributions to be established. In particular, the parameters featuring the width and asymmetry of a size distribution were suggested and calculated. Advantages and drawbacks of the applied droplet sampling and evaluation technique are discussed in more detail. |
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| Keywords: | Fog and haze droplet size distribution |
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