Long-term solar activity as a controlling factor for global warming in the 20th century |
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Authors: | V A Dergachev O M Raspopov |
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Institution: | 1.Ioffe Physical-Technical Institute,Russian Academy of Sciences,St. Petersburg,Russia;2.Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, St. Petersburg Branch,Russian Academy of Sciences,St. Petersburg,Russia |
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Abstract: | 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. |
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