Prediction of even and odd sunspot cycles | Journal of Space Weather and Space Climate

Topical Issue - Space Climate: Long-term effects of solar variability on the Earth’s environment

Open Access

Figure 9

Correlation coefficient between cycle amplitude A and lagged maximum monthly September–October aa³ within a 3 year window. Blue (red) curve indicates the odd (even cycles) and the correspondingly colored regions indicate the 95% confidence limits for the correlation coefficients.

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