Grapes reveal impacts of sulfur-rich Samalas eruption on 13th-century climate

The A.D. 1257 eruption of the Indonesian volcano Samalas sent an ash plume an estimated 43 kilometers into the sky in one of the most sulfur-rich eruptions of the last 7,000 years. A new study using tree rings, ice cores and historical records investigates how this colossal eruption impacted climate across the Northern Hemisphere, finding that the eruption triggered severe cold in some regions, while other areas were less affected. The pattern could be explained by the behavior of sulfate particles in the atmosphere, researchers suggest.

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Kate S. Zalzal

Kate Zalzal

Zalzal is a freelance writer and former editorial intern for EARTH. She holds a master's degree in geoscience from University of Massachusetts Amherst and most recently studied paleoclimatology at the University of Colorado Boulder and the University of Iceland in Reykjavik. 

Friday, April 28, 2017 - 06:00

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