Physics
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.535..117k&link_type=abstract
In: Solar variability as an input to the Earth's environment. International Solar Cycle Studies (ISCS) Symposium, 23 - 28 June 2
Physics
Solar Magnetic Field: Reversals
Scientific paper
The transition process of decay of the large-scale magnetic field of the Sun at the stage of its polarity reversal is manifested as a giant wave of polarity reversal with the period of a half-year. Maximums of a wave in the GCR scintillation index are ~3 Bartels rotations of the Sun before GCR intensity minimums. The revealed relationship are used both for the longterm forecast of geoeffective solar activity periods τ=3±1 solar rotations in advance and for the operative forecast of geoeffective events of Space Weather from several hours to ~1 day in advance. The semi-annual wave is also detected in the interplanetary magnetic field (IMF) parameters. The presence of the wave of polarity reversal explains a "gap" in the majority of parameters uniformly both in the maximum of solar activity ("Gnevyshev effect") and in the beginning of a declining branch of the 11-year cycle.
Kozlov Valerii V.
Kozlov Vladimir I.
Markov Vladimir
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