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1. 059 Chapter 6 frontispiece. Bubbles in ice recovered by drilling from deep within the Greenland Ice Sheet E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Photograph by D. Dahl-Jensen, University of Copenhagen

2. 060 Figure 6.1. The record of the Paleocene-Eocene Thermal Maximum in a deep-sea sediment core E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: Zachos et al., 2005

3. 061 Figure 6.2. Louis Agassiz E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: South Caroliniana Library, University of South Carolina

4. 062 Figure 6.3. Variations in the oxygen isotopic ratio with depth of benthic foraminifera in two sediment cores from the equatorial eastern Pacific Ocean E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: Mix et al., 1994

5. 063 (b) (a) Figure 6.4. The Milankovitch cycles E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: R. Rohde, Global Warming Art

6. 064 Figure 6.5. The 800,000-year record of atmospheric CO2 E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: Lüthi et al., 2008

7. 065 Figure 6.6. The location of Greenland Ice Sheet drill sites E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: Geological Survey of Greenland

8. 066 Figure 6.7. A Greenland ice core E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: NOAA

9. 067 Figure 6.8. The record of temperature in the Greenland ice cores E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Data from Mayewski et al., 1997

10. 068 Figure 6.9. The record of major volcanic eruptions in the Greenland ice cores E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Data from Zielinski et al., 1994

11. 069 Figure 6.10. The record of the Younger Dryas in the Greenland ice cores E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Data from Mayewski and Bender, 1995

12. 070 Figure 6.11. The correlation of Antarctic EDML and Greenland NGRIP ice cores E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: EPICA Community Members, 2006

13. 071 Figure 6.12. Cross section of a tree trunk being prepared for exhibition E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Photograph by R. Mickens, American Museum of Natural History

14. 072 Figure 6.13. Varves exposed on the campus of the University of Massachusetts, Amherst E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Photograph by J. Beckett, American Museum of Natural History

15. 073 Figure 6.14. Coral E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Photograph by D. Finnin, American Museum of Natural History

16. 074 Figure 6.15. A 1,200-year reconstruction of Northern Hemisphere temperatures relative to the 1961-1990 mean E.A. Mathez, 2009, Climate Change: The Science of Global Warming and Our Energy Future, Columbia University Press. Source: D’Arrigo, Wilson and Jacoby, 2006