Geophysical consequences of solar magnetic field global distribution and changes

Details Geophysical consequences of solar magnetic field global distribution and changes Geophysical consequences of solar magnetic field global distribution and changes

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988bang.iafcq....b&link_type=abstract

IAF, International Astronautical Congress, 39th, Bangalore, India, Oct. 8-15, 1988. 10 p.

Astronomy and Astrophysics

Astronomy

Solar Flares, Solar Magnetic Field, Solar Terrestrial Interactions, Biosphere, Interplanetary Magnetic Fields, Magnetic Flux, Secular Variations, Solar Activity Effects, Sunspots

Scientific paper

Two special cumulative graphical methods are used here to demonstrate the 22-year periodicity and the secular changes of solar activity during the last five centuries. The 22-year activity changes are related to large-scale regularities in the latitudinal and longitudinal distribution of magnetic fields and activity on the whole solar surface and to their reflections in interplanetary space. Fast, short-duration changes in the field and activity distribution are studied, and it is shown that practically every significant maximum in the flare frequency is accompanied by a redistribution of the solar global magnetic fields, followed by the reorganization of field sector structure and rebuilding of coronal holes. This global magnetic field reorganization and maximum occurrence of solar flares is related to the discrete magnetic flux supply into the solar atmosphere mostly in the form of large complexes of activity. The interplanetary and geophysical consequences of these variations are considered.

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