Modeling the variability of gas and aerosol components in the stratosphere of polar regions |
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Authors: | S. P. Smyshlyaev V. Ya. Galin Gerelmaa Shaariibuu M. A. Motsakov |
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Affiliation: | 1.Russian State Hydrometeorological University,St. Petersburg,Russia;2.Institute of Numerical Mathematics,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | A thermodynamics-microphysics model of the formation and evolution of stratospheric clouds is developed. This model was integrated into the global chemistry-climate model of the lower and middle atmosphere. Model experiments on the study of the evolution of the gas and aerosol compositions of the Arctic and Antarctic atmosphere were performed. The results of an investigation into the observed differences of changes in the contents of gaseous impurities and aerosol in polar regions showed that the presence of nitrification in the Antarctic and its absence in the Arctic are the main factors controlling distinctions between the formation of a full-value ozone hole in the Antarctic and only occasional “mini-holes” in the Arctic. |
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