Abstract
We have analyzed the annual mean hourly data for the solar wind speed (V), the interplanetary magnetic field (IMF) intensity (B), and the neutron monitor (NM) rates for 1964–1998, covering three sunspot number (SSN) cycles (20, 21, 22). The analysis brings out some of the steady state characteristics of the long‐term changes in the observed galactic cosmic ray (GCR) modulation and the ‘mini’ cycle. We find that BV time series reproduces the observed variations of a variety of phenomena, including the 11‐yr and the 27‐day GCR modulations. We reaffirm that convective removal of GCR by the solar wind accounts for a major part of the observed modulations in the inner heliosphere.
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