JpGU-AGU Joint Meeting 2026

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[E] Oral

B (Biogeosciences ) » B-CG Complex & General

[B-CG04] Decoding the history of the Earth-like planets: From their birth to the present

Fri. May 29, 2026 3:30 PM - 5:00 PM Exhibition Hall Special Setting (5) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Shiraishi Fumito(Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University), Nagao Ryosuke(The University of Tokyo School of Science Department of Earth and Planetary Science)

4:45 PM - 5:00 PM

[BCG04-24] A unified framework for mass extinction: volcanism, impacts, nuclear war, and the limits of life on Earth

*Kunio Kaiho1 (1. Tohoku University)

Keywords:Mass extinction thresholds, Stratospheric aerosols, Large igneous province volcanism, Asteroid impacts, Global climate forcing, Biosphere collapse