9/19/2023 0 Comments How long is a millenia![]() ![]() ![]() A good coincidence between the changes of ‘Dm’ and the growth or fading of the solar magnetic cycle is found. Both series are characterized by very good expressed and relating to the solar magnetic Hale cycle 20–22-year oscillations. In this study, the results from the analysis of annual ring widths (‘Dm’) time series of two “very sensitive” to the climate and solar–climate relationships of long lived European beech (Fagus sylvatica) samples (on age of 209 ± 1 and 245 ± 5 years correspondingly) are discussed.
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