Solar Cycle Signal in Geomagnetic Activity and Climate
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- Ponyavin, D.I. Sol Phys (2004) 224: 465. doi:10.1007/s11207-005-4979-5
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Historical geomagnetic and climate records were analyzed to study long-term trends and relationships with solar activity. Wavelet technique and recurrence plot analysis are applied to the data to find their coherence and similarities at different times and time-scales. It is shown that the solar cycle signal is more pronounced in climatic data during the last 60 years.