Galactic cosmic ray variation influence on baric system dynamics at middle latitudes

Details Galactic cosmic ray variation influence on baric system dynamics at middle latitudes Galactic cosmic ray variation influence on baric system dynamics at middle latitudes

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jastp..73..366a&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 73, Issue 2-3, p. 366-370.

Physics

1

Scientific paper

Variations of atmospheric pressure in the North Atlantic region during Forbush decreases of galactic cosmic rays were investigated. A noticeable pressure growth with the maximum on the 3rd and 4th days after the Forbush decrease onsets was revealed over Scandinavia and the northern region of the European part of Russia. It was shown that the observed pressure growth was caused by the formation of blocking anticyclones in the region of the climatic Arctic front, as well as by the sharp slowing of the movement of North Atlantic cyclones. It was suggested that the particles that precipitate in the regions of the climatic Arctic and Polar fronts, with the minimum energies E˜20-80 MeV and ˜2-3 GeV, respectively, may influence the processes of cyclone and anticyclone formation and development at extratropical latitudes.

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