By the way, what is the basis for claiming that the negative aerosol forcing estimate has been reduced? (skepticalscience.com)
The bottom three curves show the history of indirect aerosol forcing used in the top three curves. (link.springer.com)
However, this doesn't translate to a satellite - based estimate of total aerosol forcing because many of these studies only cover indirect effects. (julesandjames.blogspot.ru)