File:AYool CCl4 history.png
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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; transferred to Commons by User:Teratornis using CommonsHelper.|
|Author||Original uploader was Plumbago at en.wikipedia|
( Reusing this file)
CC-BY-2.5; Released under the GNU Free Documentation License; CC-BY-SA-3.0-MIGRATED.
|This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.|
|This licensing tag was added to this file as part of the GFDL licensing update.CC-BY-SA-3.0Creative Commons Attribution-Share Alike 3.0
|File change date and time||11:17, 22 March 2007|
|Horizontal resolution||118.11 dpc|
|Vertical resolution||118.11 dpc|
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