File:Vostok 420ky 4curves insolation to 2004.jpg

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Summary[edit]

This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: add some imformation. The original can be viewed here: Vostok 420ky 4curves insolation.jpg: . Modifications made by Alexchris.

Licensing[edit]

I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Original upload log[edit]

This image is a derivative work of the following images:

• File:Vostok_420ky_4curves_insolation.jpg licensed with Cc-pd-mark-footer, PD-USGov
  • 2010-05-02T17:58:23Z Pieter Kuiper 1600x1092 (193421 Bytes) Reverted to version as of 08:27, 12 June 2005
  • 2010-04-08T18:58:06Z Suarez ruibal 1600x1092 (2113 Bytes) versión en svg
  • 2005-06-12T08:27:33Z Samulili 1600x1092 (193421 Bytes) 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 o

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