Solar flares and the cosmic ray intensity
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- Hatton, C.J. Sol Phys (1980) 66: 159. doi:10.1007/BF00150526
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The relationship between the cosmic ray intensity and solar activity during solar cycle 20 is discussed. A model is developed whereby it is possible to simulate the observed cosmic ray intensity from the observed number of solar flares of importance ⩾1. This model leads to a radius for the modulation region of 60–70 AU. It is suggested that high speed solar streams also made a small contribution to the modulation of cosmic rays during solar cycle 20.