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Ionization of the Earth's atmosphere by solar protons during the end of October, 2003 and related changes in the Earth's ozonosphere
Krivolutsky A. A., Kuminov A.A., V'yushkova T. Yu., Kuznetsov S.N., Myagkova I.N.,
Atmospheric ozone is a key link in a chain between the Sun and the middle atmosphere due to its very high absoption of solar ultraviolet irradiance.Strong manifestation of solar activity processes during the period of October-November 2003 was in the focus of this study. The results of ionization of high-altitude atmosphere calculations, which were made according to the Russian satellite CORONAS-F data about the solar cosmic rays and American satellite GOES ones obtained during this time period, are presented. Our calculations have shown, that the maximal values of ionization for the chosen breadth lay in a range of 50-70 km. The greatest ionization was caused by the flare on November, 28, 2003 (the maximum of values of ionization was on October, 29). Numerical photochemical modeling the response of a chemical compound on additional sources of oxides of nitrogen and hydrogen of the space origin has been carried out. It is shown, that as a result of an intensification kataliticheskih cycles with participation NO and OH, destroying ozone, concentration of ozone has decreased for 30%%%% at heights of a maximum of ionization.