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Regular Research Article 17 Jan 2014 Responses of the basic cycles of 178.7 and 2402 yr in solar–terrestrial phenomena during the Holocene I. Charvátová and P. HejdaInstitute of Geophysics, Academy of Sciences, Prague, Czech Republic
Received: 11 Dec 2013 – Revised: 06 Jan 2014 – Accepted: 07 Jan 2014 – Published: 17 Jan 2014 Abstract. Reconstructions of solar–terrestrial (ST) phenomena, in sufficient quality,
several thousands of years backward by means of radiocarbon (14C),
10Be or 18O isotopes have been employed for study of possible
responses of the ordered (trefoil) and disordered intervals (types) of the
solar inertial motion (SIM) as well as of the 370 yr exceptional segments
occurring in steps of 2402 yr in these phenomena. The trefoil intervals are
about 50 yr long, and the Sun returns to the trefoil intervals always
after 178.7 yr, on average. During intermediate intervals the Sun
moves along chaotic (disordered) lines. It was also found that very long
(nearly 370 yr) intervals of the solely trefoil orbit of the SIM occurred
in steps of 2402 yr. Such exceptional intervals occurred in the years 159 BC–208 AD, 2561–2193 BC, 4964–4598 BC, etc. A stable behaviour of
ST phenomena during these long segments is documented. It was also found that
the deepest and longest solar (temperature) minima (of Spörer or Maunder
types) occurred in the second half of the 2402 yr cycle in accordance with
the respectively most disordered types of the SIM. The SIM is computable in
advance: the SIM comparable with that after 1873 is before us. Corresponding
behaviours of ST phenomena can be expected.
Citation: Charvátová, I. and Hejda, P.: Responses of the basic cycles of 178.7 and 2402 yr in solar–terrestrial phenomena during the Holocene, Pattern Recogn. Phys., 2, 21-26, doi:10.5194/prp-2-21-2014, 2014.
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