File:CO2-variations hg.svg
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DescriptionCO2-variations hg.svg |
Simplified drawing of the history and future of the carbon dioxide concentration in the atmosphere Left part of the diagram has a logarithmic scale showing the last 100 million years. Present mean CO2 concentration (middle) is with about 380 ppm (2006) already higher than during the last 2 million years. The right side of the diagram has a linear scale representing the future 300 years. Also the ordinate has a non-linear scale with a range of CO2 values from 0 to 5000 ppm (parts per million). CO2 concentration during the Cretaceous (> 60 MYA) was much higher than today. It decreased with temperature during the Tertiary (60–2 MYA) when the earth was cooling down into the recent ice age. The Quaternary is represented by climatic (i.e. CO2) variations from 2 million years until today. The arrow pointing into the future shows the natural development; the rapid increase in CO2, predicted for the next 300 years, is due to the increased burning of fossil fuel by humankind, starting with the industrial age. The area of the question mark shows the uncertainty in predicting future carbon dioxide concentrations. (source of data is missing) |
Date | |
Source | Own work |
Author | Hannes Grobe |
Permission (Reusing this file) |
I, the copyright holder of this work, hereby publish it under the following license: This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:43, 24 May 2012 | 612 × 428 (8 KB) | Incnis Mrsi (talk | contribs) | refurbished, based on File:CO2-variations-d_hg.svg | |
16:09, 28 February 2011 | 512 × 512 (7 KB) | DieBucheBot (talk | contribs) | Trying to fix invalid XML | ||
19:58, 6 October 2007 | No thumbnail | (9 KB) | Hgrobe (talk | contribs) | {{Information |Description=to be done |Source=own work |Date=2007-10-07 |Author=~~~~ |Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) |other_versions= }} {{self|cc-by-sa-2.5}} | |
21:17, 5 November 2006 | No thumbnail | (18 KB) | Hgrobe (talk | contribs) | {{Information |Description= |Source=own work |Date=2006-11-05 |Author=~~~~ |Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) |other_versions= }} {{self|cc-by-sa-2.5}} |
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