Atmospheric 14C Variations: A Bayesian Prospect

  • Charles P. Sonett
Part of the Fundamental Theories of Physics book series (FTPH, volume 39)

Abstract

The time spectrum of variations in the atmospheric radiocarbon inventory is reviewed. According to conventional analysis (discrete Fourier transform, periodogram, and maximum entropy or MEM), the spectrum is characterized by features at ~ 2200, 900, 700, 207, 149, and 88 years as well possibly at other frequencies. Model fitting of sinusoids using the Bretthorst algorithm confirms most of these and places their periods on a more secure basis. The forcings of the spectral features are known to be seated in some combination of ocean-atmosphere interaction, the Sun, and the terrestrial magnetic field, but some specific line assignments are still regarded as tentative.

Keywords

Discrete Fourier Transform Tree Ring Maunder Minimum Geomagnetic Variation Calibration Issue 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • Charles P. Sonett
    • 1
  1. 1.Dept of Planetary Sciences and Lunar and Planetary LaboratoryUniversity of ArizonaTucsonUSA

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