Stratospheric aerosol dynamics over Kamchatka and its association with geophysical processes |
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| Authors: | B M Shevtsov V V Bychkov V N Marichev A S Perezhogin A V Shumeiko |
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| Institution: | 1.Institute of Cosmophysical Research and Radiowave Propagation, Far East Division,Russian Academy of Sciences,Paratunka, Elizovo raion, Kamchatka oblast,Russia;2.Institute of Atmospheric Optics, Siberian Division,Russian Academy of Sciences,Tomsk,Russia |
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| Abstract: | The dynamics of aerosol layers in comparison with geomagnetic and ionospheric data has been studied based on the nighttime
single-frequency lidar sounding of the atmosphere over Kamchatka at altitudes of 10 to 90 km. The relation of the aerosol
density to solar, magnetic, and ionospheric activity has been studied, and the stratospheric aerosol formation mechanisms
have been considered. It has been indicated that variations in the aerosol density correlate with radiowave absorption, perturbations
of the ionospheric parameters, and geomagnetic characteristics. The spatial and time scales of aerosol layers have been estimated.
The role of stratospheric aerosol as an indicator of geophysical processes is discussed. |
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