File:AYool CCl4 history.png
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| Description |
English: Time series of atmospheric concentrations of carbon tetrachloride from 1908 to 2003. Mixing ratio concentrations are shown for the northern and southern hemispheres, and are expressed as parts per trillion (ppt). The data are plotted here using MATLAB.
The published source of data for the figure is Walker, S. J., R. F. Weiss & P. K. Salameh (2000) Reconstructed histories of the annual mean atmospheric mole fractions for the halocarbons CFC-11, CFC-12, CFC-113 and carbon tetrachloride. Journal of Geophysical Research 105, 14285—14296. The data (including error estimates and updates) are available online from the atmospheric halocarbon page at University of California. |
| Date | 22 March 2007 (original upload date) |
| Source | Transferred from en.wikipedia to Commons by Teratornis using CommonsHelper. |
| Author | Plumbago at English Wikipedia |
Licensing
Plumbago at English Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
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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. |
  
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Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2007-03-22 14:01 Plumbago 1700×1450× (86038 bytes) [[Time series]] of [[atmosphere|atmospheric]] concentrations of [[carbon tetrachloride]] from 1908 to 2003. Mixing ratio concentrations are shown for the [[Northern hemisphere|northern]] and [[Southern hemisphere|southern]] hemispheres, and are expressed
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:50, 8 October 2009 | | 1,700 × 1,450 (84 KB) | File Upload Bot (Magnus Manske) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|en:Time series of atmospheric concentrations of en:carbon tetrachloride |
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