Figure 6-9b for Sean Mewhinney's Minds in Ablation

Figure 6-9b

Oxygen-isotope curves from the GISP 2 ice core in Greenland at left and Crawford Lake on the right. The GISP2 time scale from counting annual layers is given in calendar years. The Crawford Lake time scale is in uncorrected radiocarbon years.

Source: Zicheng Yu and Ulrich Eicher, "Abrupt Climate Oscillations During the Last Deglaciation in Central North America," Science Vol. 282 (Dec. 18, 1998), pp. 2235-2238.

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Last modified by pib on October 28, 2003.