Insights from Antarctica on volcanic forcing during the Common Era

Michael Sigl (), Joseph R. McConnell, Matthew Toohey, Mark Curran, Sarah B. Das, Ross Edwards, Elisabeth Isaksson, Kenji Kawamura, Sepp Kipfstuhl, Kirstin Krüger, Lawrence Layman, Olivia J. Maselli, Yuko Motizuki, Hideaki Motoyama, Daniel R. Pasteris and Mirko Severi
Additional contact information
Michael Sigl: Desert Research Institute
Joseph R. McConnell: Desert Research Institute
Matthew Toohey: GEOMAR Helmholtz Centre for Ocean Research Kiel
Mark Curran: Australian Antarctic Division and Antarctic Climate and Ecosystems Cooperative Research Centre
Sarah B. Das: Woods Hole Oceanographic Institution
Ross Edwards: Curtin University
Elisabeth Isaksson: Norwegian Polar Institute
Kenji Kawamura: National Institute of Polar Research, Research Organization of Information and Systems
Sepp Kipfstuhl: Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research
Kirstin Krüger: GEOMAR Helmholtz Centre for Ocean Research Kiel
Lawrence Layman: Desert Research Institute
Olivia J. Maselli: Desert Research Institute
Yuko Motizuki: RIKEN Nishina Center
Hideaki Motoyama: National Institute of Polar Research, Research Organization of Information and Systems
Daniel R. Pasteris: Desert Research Institute
Mirko Severi: University of Florence

Nature Climate Change, 2014, vol. 4, issue 8, 693-697

Abstract: Historical aerosol forcing from large volcanic eruptions are reconstructed from sulphate deposition measured in ice cores. This study updates these records by using a more extensive collection of Antarctic ice cores, which provide new records and accurate dating of published records. The results show that prior to the year 1500 the reconstructions were either previously overestimating global aerosol forcing by 20–30% or underestimating it by 20–50%. This has implications for estimates of climate sensitivity.

Date: 2014
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DOI: 10.1038/nclimate2293

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