Transferred from en.wikipedia to Commons by Maksim. The original description page was here. All following user names refer to en.wikipedia.
Graph of CO2 (Green graph), temperature (Blue graph), and dust concentration (Red graph) measured from the Vostok, Antarcticaice core as reported by Petit et al., 1999. Higher dust levels are believed to be caused by cold, dry periods.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC-BY-SA-3.0Creative Commons Attribution-Share Alike 3.0
La bildo estas kopiita de wikipedia:en. La originala priskribo estas: Graph of CO<sub>2</sub>, temperature, and dust concentration measured from the Vostok, Antarcticaice core as reported by Petit et al., 1999. Higher dus
File usage
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):