Geomagnetism and Aeronomy

, Volume 49, Issue 8, pp 1271–1274 | Cite as

Long-term solar activity as a controlling factor for global warming in the 20th century

  • V. A. Dergachev
  • O. M. Raspopov


Such high-resolution indirect data on solar activity as the 14C and 10Be cosmogenic isotopes have been considered. The long-term solar activity cyclicity during the last millennium with periods of approximately 90 and 210 years, which can be related to substantial climatic warming and cooling events in this millennium, has been established based on an analysis of these data. It has been indicated that long-term recent climate warming can result from the effect of the ∼90- and ∼210-year solar cycles on the climatic system, which is characterized by the nonlinear dynamics.


Solar Activity Solar Cycle Tree Ring Cosmogenic Isotope Solar Activity Variation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Pleiades Publishing, Ltd. 2009

Authors and Affiliations

  • V. A. Dergachev
    • 1
  • O. M. Raspopov
    • 2
  1. 1.Ioffe Physical-Technical InstituteRussian Academy of SciencesSt. PetersburgRussia
  2. 2.Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, St. Petersburg BranchRussian Academy of SciencesSt. PetersburgRussia

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