Effects in cosmic rays in March 1991 |
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| Authors: | M V Kravtsova V E Sdobnov |
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| Institution: | 1.Institute of Solar-Terrestrial Physics, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia |
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| Abstract: | Using the spectrographic global survey method, variations in the rigidity spectrum and anisotropy of galactic cosmic rays
(March 1991) have been studied using data from ground-based observations of cosmic rays (CR) at the worldwide network of stations.
Variations in geomagnetic cutoff rigidity (GCR) have been calculated. The paper also presents latitudinal GCR variations at
certain moments of the considered period for different geomagnetic field disturbance levels. Calculation results of GCR variations
have been compared with those of effect of the westward current flowing with a strength proportional to the latitude cosine
along parallels on the sphere, for different radii of the current ring in the dipole field. |
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