Short-Term Variations in Radiocarbon Concentration with the 11-Year Solar Cycle
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CitationPovinec, P., Burchuladze, A. A., & Pagava, S. (1983). Short-term variations in radiocarbon concentration with the 11-year solar cycle. Radiocarbon, 25(2), 259-266.
PublisherAmerican Journal of Science
DescriptionFrom the 11th International Radiocarbon Conference held in Seattle, Washington, June 20-26, 1982.
AbstractPrevious investigations on short-term 14C variations in tree rings are compared with 14C measurements in wine samples. The comparison is made for 4 solar cycles (1903-1944) with the same method of statistical evaluation of measured results. The average amplitude of Delta-14 variations as observed by various authors in tree-ring samples is ca 2 +/1 per mil; however, wine samples show an average amplitude of 4.3 +/1.6 per mil. The anticorrelation dependence of Delta-14C on Wolf sunspot numbers was observed with a time shift between W maxima and Delta-14C minima of 3-5 yr for different solar cycles.