Articles | Volume 14, issue 7
Earth Syst. Sci. Data, 14, 3167–3196, 2022
https://doi.org/10.5194/essd-14-3167-2022
Earth Syst. Sci. Data, 14, 3167–3196, 2022
https://doi.org/10.5194/essd-14-3167-2022
Data description paper
12 Jul 2022
Data description paper | 12 Jul 2022

Volcanic stratospheric sulfur injections and aerosol optical depth during the Holocene (past 11 500 years) from a bipolar ice-core array

Michael Sigl et al.

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Short summary
Volcanism is a key driver of climate. Based on ice cores from Greenland and Antarctica, we reconstruct its climate impact potential over the Holocene. By aligning records on a well-dated chronology from Antarctica, we resolve long-standing inconsistencies in the dating of past volcanic eruptions. We reconstruct 850 eruptions (which, in total, injected 7410 Tg of sulfur in the stratosphere) and estimate how they changed the opacity of the atmosphere, a prerequisite for climate model simulations.