Microwave measurements of the ozone content in winter arctic stratosphere |
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| Authors: | M I Beloglazov V M Demkin A A Krasilnikov L M Kukin Yu Yu Kulikov V G Ryskin V N Shanin |
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| Institution: | 1.Polar Geophysical Institute KSC of the Russian Academy of Science,Apatity, Murmansk oblast,Russia;2.Institute of Applied Physics of the Russian Academy of Science,Nizhni Novgorod,Russia |
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| Abstract: | As a result of the long-term observations lead in region of Kola Peninsula, connection between character of variations of
the ozone content in a stratosphere of Arctic regions and behavior and structure of a winter polar vortex is established.
During winter seasons with well developed cyclone and duration of stable existence not less than 1.5–2 months were observed
extremely low ozone number density at heights 20–25 km connected, apparently, with its chemical destruction. On the other
hand, during disturbances of the vortex, accompanied strong stratospheric warming, was registered almost double increase of
ozone amount in a high-altitude interval from 20 up to 40 km. Comparison of results of ground-based microwave monitoring of
an ozone layer to data of the satellite instrument EOS MLS installed on satellite AURA is lead. In most cases comparison has
shown satisfactory within the limits of an error of measurements coincidence of results. However in conditions of atmospheric
disturbances when arose significant spatial heterogeneity, the discrepancy of results of comparison was marked. The possible
reasons which cause the detected disagreement in results are discussed. |
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