Interplanetary Magnetic Field Disturbances Affect on the Ozone Profiles

Details Interplanetary Magnetic Field Disturbances Affect on the Ozone Profiles Interplanetary Magnetic Field Disturbances Affect on the Ozone Profiles

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icrc....7.4237n&link_type=abstract

Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the I

Physics

Scientific paper

We study interplanetary magnetic field (IMF) disturbances possible affect on the ozone vertical profiles. We use the data of ozone and temperature profiles measured from 231 ozonesondes flown at Boulder (CO) Station in 1997-2002. 45 cases of galactic cosmic ray (GCR) intensity Forbush decreases are observed at Tbilisi Neutron Monitor Station and 51 events of the IMF clouds were used as sign of the IMF disturbances. The solar proton fluxes data were used as well. The data set used for the investigation enables to reveal only 23 events of the IMF disturbances accompanied with ozonesonde flights. We have noted that the IMF clouds are main reasons of the ozone depletions. The maximum depletion is observed at the altitude about 13 km, which is about 20 % of main ozone peak value. Due to the IMF cloud affect on GCR is small, our finding is surprise.

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