Changes in the Earth's ozonosphere due to ionization of high-latitude atmosphere by solar protons in October, 2003

Details Changes in the Earth's ozonosphere due to ionization of high-latitude atmosphere by solar protons in October, 2003 Changes in the Earth's ozonosphere due to ionization of high-latitude atmosphere by solar protons in October, 2003

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cosre..42..626k&link_type=abstract

Cosmic Research, Volume 42, Issue 6, pp.626-635

Physics

1

Scientific paper

Using the data of the Russian KORONAS-F satellite and American GOES spacecraft on solar cosmic ray fluxes associated with powerful events which occurred on the Sun at the end of October - the beginning of November, 2003, calculations of ionization of high-latitude (70° N) atmosphere were carried out. The calculations have shown that the maximum values of ionization for the chosen latitude lie in the range of 50 70 km. The largest ionization was caused by the flare on November 28, 2003. Based on a numerical photochemical simulation it is shown that, as a result of intensification of catalytic cycles with participation of ozone-destroying NO and OH, the concentration of ozone decreased by 30% at ionization maximum altitudes.

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