Articles | Volume 17, issue 5
Clim. Past, 17, 2119–2137, 2021
https://doi.org/10.5194/cp-17-2119-2021

Special issue: Interdisciplinary studies of volcanic impacts on climate and...

Clim. Past, 17, 2119–2137, 2021
https://doi.org/10.5194/cp-17-2119-2021

Research article 18 Oct 2021

Research article | 18 Oct 2021

New insights into the  ∼ 74 ka Toba eruption from sulfur isotopes of polar ice cores

Laura Crick et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Review', Anders Svensson, 12 May 2021
    • AC1: 'Reply on RC1', Laura Crick, 30 Jul 2021
  • RC2: 'Comment on cp-2021-38', Jihong Cole-Dai, 22 May 2021
    • AC2: 'Reply on RC2', Laura Crick, 30 Jul 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (11 Aug 2021) by Michael Sigl
AR by Laura Crick on behalf of the Authors (20 Aug 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (06 Sep 2021) by Michael Sigl
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Short summary
The ~ 74 ka eruption of Toba was one of the largest eruptions of the last 100 ka. We have measured the sulfur isotopic composition for 11 Toba eruption candidates in two Antarctic ice cores. Sulfur isotopes allow us to distinguish between large eruptions that have erupted material into the stratosphere and smaller ones that reach lower altitudes. Using this we have identified the events most likely to be Toba and place the eruption on the transition into a cold period in the Northern Hemisphere.