Climate Monitoring &Diagnostics Laboratory

HATS Online: Graphs U.S. Dept. of Commerce / NOAA / OAR / CMDL / HATS

Here is an assortment of graphs with our most interesting data. These and other graphs are accessible through our anonymous FTP account. You can either FTP to ftp.cmdl.noaa.gov, logon with user "anonymous" and your email address as your password, and select subdirectory "noah" then "graphs", or you can click HERE to get there.

To download a graph below, simply right click on the image and select "Save Picture As...".

The following shows the improvement in atmospheric chlorofluorocarbon -11 (CFC-11) versus time.  Notice the slow but steady decrease in the growth rate of this substance after the year 1994. The data were first published in Nature 364, 783-786 (1993) and are updated below. For more information, contact jelkins@cmdl.noaa.gov .
 

Trends of Controlled Ozone Depleting Chemicals are shown below.  This figure was on the cover of the 24th Summary Report of 1996 and 1997 for the Climate Monitoring and Diagnostics Laboratory.  For information, please contact jelkins@cmdl.noaa.gov .

Trends of the Commonly Used Halons Below Published by Butler et al. [1998] ( Journal of Geophysical Research, 103(D1) , 1503-1511, 1998).  For more information, contact jbutler@cmdl.noaa.gov .
 

Trends of the Commonly Used CFC Replacements Below Published by Montzka et al., [1999] (Nature, 398,690-694, 1999).  For more information, contact smontzka@cmdl.noaa.gov .

Halocarbons & other Atmospheric Trace Species 325 Broadway R/E/CG1 Boulder, CO 80303 For more information contact: James W. Elkins