Not exact matches
# 19 David Beach: Specifically
on WW2, yes, it could be — due to the role of
aerosols (among other things), described in the
article on mid-20th century cooling at Skeptical Science linked @ 22:
There is a nice
article in GRL by Kyle Armour and Gerard Roe
on the interplay of
aerosol masking and climate sensitivity.
Once again, we are forced to endure yet another lame
article that frames the whole discussion in terms of a scientific «fix» that is still
on the drawing board; that of sulphate
aerosols as a means to deflect solar radiation and thereby cool the planet.
Regarding the new black carbon forcing estimates in Bond et al. 2012 (the paper reported
on in the linked Guardian
article), this is the main reference used for the BC direct estimate in the Second - order draft, which presumably informs the total
aerosol RF estimate in some way.
In the
article «Global atmospheric particle formation from CERN CLOUD measurements,» sciencemag.org, 49 authors concluded «Atmospheric
aerosol nucleation has been studied for over 20 years, but the difficulty of performing laboratory nucleation - rate measurements close to atmospheric conditions means that global model simulations have not been directly based
on experimental data.....
Both
articles are based
on peer reviewed published papers that suggest volcanic
aerosols have played a part in the recent slow down of atmospheric warming.
However, the
aerosol composition also has an effect
on precipitation — see this 2002
article in Science
on the effects in China and India: