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Carbon_Dioxide_400kyr-2.png (download)‎ (600 × 436 pixels, file size: 22 KB, MIME type: image/png)

Summary Edit

This figure shows the variations in concentration of carbon dioxide (CO2) in the atmosphere during the last 400 thousand years. Throughout most of the record, the largest changes can be related to glacial/interglacial cycles within the current ice age. Although the glacial cycles are most directly caused by changes in the Earth's orbit (i.e. Milankovitch cycles), these changes also influence the carbon cycle, which in turn feeds back into the glacial system.

Since the Industrial Revolution, circa 1800, the burning of fossil fuels has caused a dramatic increase of CO2 in the atmosphere, reaching levels unprecedented in the last 400 thousand years. This increase has been implicated as a primary cause of global warming.

Licensing Edit

This file is licensed under the GFDL. Permission is granted to copy, distribute and/or modify this image 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. Subject to Wikia disclaimers.


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Date/TimeThumbnailDimensionsUserComment
current22:31, April 18, 2007Thumbnail for version as of 22:31, April 18, 2007600 × 436 (22 KB)Eric Wester (Talk | contribs)This figure shows the variations in concentration of carbon dioxide (CO2) in the atmosphere during the last 400 thousand years. Throughout most of the record, the largest changes can be related to glacial/interglacial cycles within the current ice age. Al

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