Geomagnetism and Aeronomy

Volume 34, Number 2, August 1994
Russian Edition March -April 1994

Atmospheric transparency variations caused by cosmic rays

V. K. Roldugin and E. V. Vashenyuk

Polar Geophysical Institute, Kolsky Scientific Center, Russian Academy of Sciences


Analysis of data from long observations of atmospheric transparency at stations Murmansk, Arkhangelsk, and Leningrad has shown that in a number of solar cosmic ray events with high intensities of solar protons, atmospheric transparency deteriorates. In all cases, this deterioration is associated with the aerosol weakening effect. A two- to fourfold increase in the concentration of large aerosol particles from 0.1 to 1.0 \mum in radius was observed.

Figures 2, Tables 1, References 5, Pages 251-253
Received June 29, 1993

© Copyright 1995 by the American Geophysical Union.
CCC code: 0016-7932/95/3402-0022$18.00/1

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