Even if you assume a low value for the variables of SO2 cooling and the rate of heat uptake by the deep ocean. Yes, that caught our eyes too. “Studies of these [volcanic eruptions and El Niño] effects using climate models … Continue reading →
The last ice age is known for periods of high climate variability like the period between the Last Glacial Maximum and the Younger Dryas, towards its end. Also about halfway through the ice age temperatures spiked and dipped rapidly. And then about 41,000 years ago suddenly Earth’s magnetic field weakened by some 95%, allowing a bombardment of cosmic rays, and a couple of centuries during which your compass would direct you towards Antarctica. Following this Earth´s northern hemisphere experienced the biggest volcanic eruption of the last 100,000 years, which occured in Italy.