Image: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. Levels of methane (CH4). Relative temperature. Levels of carbon dioxide (CO2).
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This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.
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source: http://www.usgcrp.gov/usgcrp/images/Vostok.jpg
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| Date/Time | Dimensions | User | Comment | |
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| current | 08:27, 12 June 2005 | 1,600×1,092 (189 KB) | Samulili | (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. Levels of methane (CH4). Relative temp) |
