Vostok Ice Core

Figure 6. Vostok ice core record of temperature and carbon dioxide during the last 800,000 years. The temperature scale is for warming and cooling in Antarctica and is reconstructed from analysis of stable isotopes in bubbles of air trapped in the core when this part of the ice core froze.1

  • 1.

    International Geosphere-Biosphere Programme. Modified from Loulergue et al. (2008) and Lüthi et al. (2008).

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