Research Article
Long-Term Cosmic Ray Variability and the CME-Index
Table 3
Cross-correlation coefficients and the corresponding time lags for the ascending part of 24th solar cycle.
| Indices | Correlation coefficients () (95% significance level) | Time lags (months) |
| Sunspot number | | +2 | Coronal mass ejections index | | 0 | Interplanetary magnetic field IMF | | +1 | Heliospheric current sheet HCS | | +2 |
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