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Reconstruction of grand minima of solar activity from Delta 14 C data : linear and nonlinear signal analysis

  • Using a special technique of data analysis, we have found out 34 grand minima of solar activity obtained from a 7,700 years long Δ14C record. The method used rests on a proper filtering of the Δ14C record and the extrapolation of verifiable results for the later history back in time. Additionally, we use a method of nonlinear dynamics, the recurrence rate, to back up the results. Our findings are not contradictory to the record of solar maxima resp. minima by Eddy [5], but constitute a considerable extension. Hence, it has become possible to look closer at the validity of models. This way, we have tested several models for solar activity, esp. the model of Barnes et al. [1]. There are hints for that the grand minima might solely be driven by the 209 year period found in the Δ14C record.

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Metadaten
Author details:Henning Voss, Jürgen KurthsORCiDGND, Udo Schwarz
URN:urn:nbn:de:kobv:517-opus-14083
Publication series (Volume number):NLD Preprints (28)
Publication type:Preprint
Language:English
Publication year:1996
Publishing institution:Universität Potsdam
Release date:2007/06/13
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Zentrale und wissenschaftliche Einrichtungen / Interdisziplinäres Zentrum für Dynamik komplexer Systeme
DDC classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
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