Articles | Volume 11, issue 1
Clim. Past, 11, 105–114, 2015
https://doi.org/10.5194/cp-11-105-2015
Clim. Past, 11, 105–114, 2015
https://doi.org/10.5194/cp-11-105-2015

Research article 16 Jan 2015

Research article | 16 Jan 2015

Tree ring effects and ice core acidities clarify the volcanic record of the first millennium

M. G. L. Baillie and J. McAneney

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Short summary
Ice core acidities agree with historical volcanic eruptions and tree ring effects in recent centuries, but in the 1st millennium, ice acid dates appear offset from tree ring evidence. This offset appears real between AD 1000 and 50 BC. If correct, then current identification of Vesuvius tephra at AD 79 is erroneous, and geophysicists are working with a false volcanic record especially regarding multiple eruptions in AD 536 and 540-541, highlighting a major global hazard in proximate eruptions.