stratospheric aerosol

Small volcanic eruptions and the global warming ‘pause’

A new paper in Nature Geoscience by Santer and colleagues revisits the volcanic scenarios used in modern climate model simulations. The authors consider the effects of including a ‘more realistic’ model for the influence of small volcanic eruptions on the climate system over the past two decades. Of course, more realistic means more difficult.. and one of the long-standing and unresolv ...[Read More]

Time to move scientific debate into the open?

A few months ago, I got a routine request to review a paper about the fate of the plume formed during the 2011 eruption of Nabro volcano, Eritrea. The topic looked interesting, and so I agreed and duly reported. A few weeks later, the journal asked if I might write a commentary to introduce the paper, essentially as a bit of advertising. It wasn’t too hard to agree to that either; after all, ...[Read More]