File: Vostok-ice-core-petit.png

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Graph of CO₂, temperature, and dust concentration measured from the Vostok, Antarctica ice 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 "Text of the GNU Free Documentation License."

Data from: http://www.ngdc.noaa.gov/paleo/icecore/antarctica/vostok/vostok_data.html

Petit J.R., Jouzel J., Raynaud D., Barkov N.I.,Barnola J.M., Basile I., Bender M., Chappellaz J., Davis J., Delaygue G., Delmotte M., Kotlyakov V.M., Legrand M., Lipenkov V., Lorius C., Pépin L., Ritz C., Saltzman E., Stievenard M. (1999). Climate and Atmospheric History of the Past 420,000 years from the Vostok Ice Core, Antarctica. Nature 399: 429-436.

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