Cosmic Ray Variations in 23-24 Solar Activity Cycles Based on the Data of World-Wide Network of Cosmic Ray Stations
Abstract
From data of the world network of neutron monitors and stratospheric measurements long-period variations of cosmic rays with a rigidity of 10 GV are obtained and studied. It is shown that, after the weakening of the solar magnetic field, the solar modulation of cosmic rays also decreased substantially. In the 24th cycle, it is 2-3 times less than in the 22nd cycle. A semi-empirical cosmic ray modulation model based on a set of solar indices, on the whole, successfully copes with the description of long-period variations of cosmic rays in the period of large changes on the Sun.
- Publication:
-
Solar-Terrestrial Physics - the Current State and Prospects
- Pub Date:
- September 2018
- DOI:
- 10.31361/eaas.2018-2.006
- Bibcode:
- 2018stpc.conf...27B
- Keywords:
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- 23-24 SOLAR ACTIVITY CYCLES: COSMIC RAY VARIATIONS