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. 2018 May 29;115(24):6141–6146. doi: 10.1073/pnas.1719420115

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Copyright © 2018 the Author(s). Published by PNAS.

This open access article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).

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Fig. 2. — (A) The ¹⁴C ages from the known-age JJ samples, and previously published dates on known-age annual plant matter from Egypt (7), plotted against the NH radiocarbon calibration curve (IntCal13) (1) (1σ errors shown). (B) Differences between the JJ ¹⁴C ages and IntCal13 and comparison of these trends versus 5-y moving averages of reconstructed precipitation for southern Jordan (24) and regional temperature from Red Sea corals (28). (C) Overall offsets in ¹⁴C ages between the JJ samples and IntCal13 by laboratory, showing (light gray) the neutral prior (0 ± 20) versus the calculated posterior densities from each laboratory’s data versus IntCal13 (red and blue regions) (27).