File: Vostok 420ky 4curves insolation.jpg
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420,000 years of ice core data from Vostok, Antarctica research station.
Current period is at left.
From bottom to top:
- Solar variation at 65°N due to Milankovitch cycles (connected to 18O).
- 18O isotope of oxygen gas.
- Levels of methane (CH4).
- Relative temperature (converted from 2H isotope in ice).
- Levels of carbon dioxide (CO2).
Source
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:55, 2 October 2005 | | 1,600 × 1,092 (189 KB) | David Burton (talk | contribs) | 420,000 years of ice core data from Vostok, Antarctica research station. Current period is at left. From bottom to top: * Solar variation at 65°N due to Milankovitch cycles (connected to <sup>18</sup>O). * <sup>18</sup>O isotope of [ |
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