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

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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

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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

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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

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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

(b)(a)

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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