As such, they may provide a powerful demonstration of the impacts of changes in solar radiation on the climate system. (gcrio.org)
That may mean that natural factors, such as changes in solar radiation, played a larger role in atmospheric carbon dioxide than reforestation during this time, Pongratz said. (livescience.com)
I don't see any reason why this shouldn't be included in current models (including a long - term factor for changes in solar radiation since the Maunder Minimum). (realclimate.org)