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. 2004 Apr 1;109(2):185–217. doi: 10.6028/jres.109.013

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The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.

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Fig. 6 — Radiocarbon Variations and Climate: the influence of solar activity (sunspot record) (top) on ¹⁴C concentrations (cosmic ray production rates) and climate (Maunder Minimum temperature record) (bottom) [15, 16].