Earth Sciences

Phasing and climate forcing potential of the Millennium Eruption of Mt. Baekdu

G. Lee, A. Burke, et al.

Discover the fascinating insights from the Millennium Eruption of Mt. Baekdu, one of the largest in history, as researchers analyze high-resolution ice-core evidence from Greenland. This collaboration reveals key findings about the eruption's two main phases and its limited impact on climate. Join Giyoon Lee and his team in uncovering the secrets of this monumental event!

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Playback language: English

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Abstract

The Millennium Eruption of Mt. Baekdu, one of the largest volcanic eruptions in the Common Era, initiated in late 946. This study uses high-resolution ice-core evidence from Greenland to determine if the eruption's two main compositional phases (rhyolite and trachyte) occurred in a single or two events. Analysis reveals a one-to-two-month interval between the phases. Furthermore, negligible sulfur mass-independent fractionation and near-synchronous particle and sulfate deposition suggest an ephemeral aerosol veil, limiting the eruption's climate forcing potential.

Publisher

Communications Earth & Environment

Published On

Oct 01, 2024

Authors

Giyoon Lee, Andrea Burke, William Hutchison, Patrick Sugden, Celeste Smith, Joseph R. McConnell, Michael Sigl, Clive Oppenheimer, Sune Olander Rasmussen, Jørgen Peder Steffensen, Seung Ryeol Lee, Jinho Ahn

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