Variations in atmospheric transparency under the action of galactic cosmic rays as a possible cause of their effect on the formation of cloudiness |
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| Authors: | I V Kudryavtsev H Jungner |
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| Institution: | 1.Ioffe Physical-Technical Institute,Russian Academy of Sciences,St. Petersburg,Russia;2.Central (Pulkovo) Astronomical Observatory,Russian Academy of Sciences,St. Petersburg,Russia;3.University of Helsinki,Helsinki,Finland |
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| Abstract: | The possible mechanism by which cosmic rays affect the formation of neutral water droplets and ice crystals in the Earth’s
atmosphere has been considered. This mechanism is based on changes in atmospheric transparency and vertical temperature distribution.
It has been indicated that a change in the optical thickness for visible and IR radiation by several percents, which can take
place when cosmic-ray particles penetrate into the atmosphere, results in a change in the temperature vertical distribution,
affecting the growth of water droplets, concentration of active condensation nuclei, and the formation of ice particles. This
mechanism makes it possible to explain the correlation between the intensity of galactic cosmic rays at low altitudes and
the absence of this correlation at middle altitudes. |
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