These and other figures are accessible through our anonymous FTP. You can either FTP to ftp.cmdl.noaa.gov, logon with user "anonymous" and your email address as a password, then select subdirectory "hats" followed by "graphs", or you can click HERE to get there.
To download a figure below, simply right click on the image and select "Save Picture As...".
Latest in situ program figures can be found here.
Trends of Controlled Ozone Depleting Chemicals are shown below. For information, please contact James.W.Elkins@noaa.gov .
Trends of the CFCs, HCFCs, halons, chlorinated solvents, and effective equivalent chlorine (EECl) from the GMD halocarbon flask and in situ network. Commonly Used Halons Below
Published by Butler et al. [1998] ( Journal of Geophysical Research, 103(D1) , 1503-1511, 1998). For more information, contact James.H.Butler@noaa.gov . For more information on total chlorine, contact Stephen.A.Montzka@noaa.gov .
