Wavelet (IMAGE)

Science China Press

Wavelet

Caption

The global wavelet coherence between Sunspot number (a), Total Solar Irradiance (b) and the anomalies of the Earth's averaged surface temperature. The resonant periodicities of 21.3-year (21.5-year), 52.3-year (61.6-year), and 81.6-year are close to the 22-year, 50-year, and 100-year cycles of solar activity.

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