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Solar-Climate Cycles in a Tree-Ring Record from Parthenon

I. Liritzis and D. Kosmatos
Journal of Coastal Research
Special Issue No. 17. HOLOCENE CYCLES: CLIMATE, SEA LEVELS, AND SEDIMENTATION (1995), pp. 73-78
Stable URL: http://www.jstor.org/stable/25735627
Page Count: 6
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Abstract

A tree-ring width record of 150 years from wooden blocks of Parthenon in Acropolis, Athens, has been spectrally analyzed in the time and frequency domain by Maximum Entropy Fourier, Power Spectrum (Blackman-Tukey) and autocorrelation methods. The power spectrum density of the tree-ring width sequence is endowed with a strong multiplet of spectral lines of high significance (χ²-test, Kolmogorov-Smirnov test, stationarity test) ranging between 2.4 and 25 years and they are superimposed upon each other. The periods obtained are identified with solar and climatic cycles, while they are discussed in terms of recent 123 years rainfall data in Athens.

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