Figure 1

Figure 1. Changes in atmospheric carbon dioxide, isotopically inferred temperature and methane from a 420,000 year record from the Vostok ice core. For a detailed report of these measurements see Petit et al (1999). Image compliments of IGBP/PAGES.

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Figure 1 Figure 1. Changes in atmospheric carbon dioxide, isotopically inferred temperature and methane from a 420,000 year record from the Vostok ice core. For a detailed report of these measurements see Petit et al (1999). Image compliments of IGBP/PAGES.