1815, 1816 and 1817; A POLAR PUZZLE

An attempt to stimulate discussion about the causes of an unexpected event which occurred after the huge eruption of Tambora Volcano in 1815 Guest Essay by Caleb Shaw Volcanoes cause…

The potential impact of volcanic overprinting of the Eddy Minimum

Guest post by David Archibald There were five named solar minima in the last millennium – the Oort, Wolf, Spörer, Maunder and Dalton minima. At least the last four were…

Missing the Missing Summer

Guest Post by Willis Eschenbach Since I was a kid I’ve been reading stories about “The Year Without A Summer”. This was the summer of 1816, one year after the…

Potential Agricultural Impact of the Eddy Minimum

Guest post by David Archibald I will be giving a lecture in Washington in early June on my way through to the Bahamas. Following are the slides that pertain to…