Article

Solar Physics

, Volume 224, Issue 1, pp 465-471

Solar Cycle Signal in Geomagnetic Activity and Climate

  • Dmitri I. PonyavinAffiliated withInstitute of Physics, University of St. Petersburg Email author 

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Abstract

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.