Solar activity and climatic variability in the time interval from 10 to 250 Ma ago |
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Authors: | O M Raspopov V A Dergachev T Kolström H Jungner |
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Institution: | 1.Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, St. Petersburg Branch,Russian Academy of Sciences,St. Petersburg,Russia;2.Ioffe Physical-Technical Institute,Russian Academy of Sciences,St. Petersburg,Russia;3.Mekriyarvi Research Station,University of Eastern Finland,Joensuu,Finland;4.Dating Laboratory,University of Helsinki,Helsinki,Finland |
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Abstract: | The climatic variability in the past on the time scales from several tens to several hundreds of million years has been analyzed
based on the paleoclimatic data with a time resolution of several years (the variations in the fossil tree ring widths, varve).
The revealed periodicity in the climatic parameters correlates with the observed solar activity cyclicity, which indicates
that this periodicity effectively influences climate changes independently of differences in the climatic conditions in the
considered interval. |
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