ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2011, Vol. 8, No. 4, pp. 149-156

Analysis of the influence of solar proton events for the content of atmospheric ozone according to the SBUV satellite data

A.V. Shilkin 
RPA "Typhoon", 4 Pobeda str., Obninsk, Kaluga Region, 249020
The results of analyzing the influence of powerful solar proton events (SPE) on the spatial and temporal variations of ozone in the stratosphere and lower mesosphere are presented. The time series of ozone vertical profiles from 37 to 70 km are shown during SPEs of July 14, 2000, November 4, 2001 and October 28, 2003 according to the SBUV zonal mean data in high latitudes. The results obtained indicate ozone depletion in the lower mesosphere of up to 60% in the northern polar latitudes and up to 35% in the southern polar latitudes after the flares. A correlation analysis of zonal mean ozone time series in the stratosphere and lower mesosphere, as well as of series of integrated flux density of high-energy protons and relativistic electrons showed that after sun flares near at zero meridian correlation coefficient approaches to the value of «-1» at altitudes of 60 - 70 km. The best correlation is series of ozone and integrated flux density of protons with energies 10 - 100 MeV at altitudes of 64 - 70 km and 68 - 70 degrees of the north and south polar latitudes.
Keywords: solar proton events, relativistic electrons, stratospheric ozone, correlation analysis
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