Experimental data on solar activity (sunspot number, induction of solar polar magnetic field Bp, and others), characteristics of interplanetary space, and cosmic ray fluxes testify that the Sun has entered a deep minimum of its activity similar to the Dalton minimum. An almost functional relationship was found between maximum values of Bpmax observed in the solar activity minimum of the 11-year cycle and the next sunspot maximum. Based on this relationship, a simple method of forecasting maximum number of sunspots Rzmax and time course Rz(t) was developed. A forecast of the 25th solar cycle is given.
Solar Activity in the Last 20 Years and a Forecast of the 25th Solar Cycle
Cosmic Res
Cosmic Research ; 62 , 4 ; 318-322
2024-08-01
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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