Computer Science – Sound
Scientific paper
Sep 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..20.1169p&link_type=abstract
Advances in Space Research, Volume 20, Issue 6, p. 1169-1172.
Computer Science
Sound
10
Scientific paper
Variations of the pressure level heights, temperature profiles and wind characteristics in the troposphere and lower stratosphere have been studied during Forbush-decreases of the galactic cosmic rays, the data of aerological soundings from Sodankylä (Finland, phi ≈ 67 deg) being used. It has been found that the Forbush-decreases are accompanied by the pressure increase in the whole troposphere, the maximum of the effect taking place on the 3-4th day after the event onset. Simultaneously the temperature decrease is observed in the troposphere during the first few days of the Forbush-decreases. The pressure increase might be related to the changes of wind characteristics in the middle and upper troposphere. A possible mechanism of the observed effects seems to involve radiation budget changes in the atmosphere due to the cloudiness variations associated with Forbush-decreases of the galactic cosmic rays.
Kyrö Esko
Pellinen R.
Pudovkin Mikhail I.
Veretenenko S. V.
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