Comparative analysis of pollution of the surface atmospheric layer in such megalopolises as Moscow and Beijing |
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| Authors: | A V Andronova M A Iordanskii A V Trefilova V A Lebedev V M Minashkin Yu I Obvintsev M S Artamonova I G Granberg |
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| Institution: | 1.Obukhov Institute of Atmospheric Physics,Russian Academy of Sciences,Moscow,Russia;2.Karpov Research Institute of Physical Chemistry,Moscow,Russia |
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| Abstract: | The results of simultaneous investigations of atmospheric aerosol in two large megalopolises—Moscow and Beijing—are presented.
The purpose of these investigations was to compare parameters and reveal common characteristics of urban aerosols. Aerosol
parameters were measured in the megalopolises simultaneously from October 23, 2007, through November 2, 2007. The mass concentrations
of aerosols were measured continuously with a nephelometer (Mosscow) and discretely with the use of aspiration samplers according
to the weight method (Moscow, Beijing). The number concentration and the particle size distribution function were determined
with analyzers of the size spectrum in the interval 0.15–15.0 μm and were measured synchronously with sampling for elementary
analysis. The elementary compositions of samples were determined by mass spectrometry, which made it possible to identify
60 chemical elements. |
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