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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Subject: Feedback and Forcing | Archive: Ice Cores | Timescale: Holocene
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Cited articles

Arjava, A.: The mystery cloud of the year 536 CE in the Mediterranean sources, Dumbarton Oaks Papers, 59, 73–94, 2005.
Baillie, M. G. L.: Dendrochronology raises questions about the nature of the AD 536 dust-veil event, The Holocene, 4, 212–217, 1994.
Baillie, M. G. L.: Proposed re-dating of the European ice core chronology by seven years prior to the 7th century AD, Geophys. Res. Lett., 35, L15813, https://doi.org/10.1029/2008GL034755, 2008.
Baillie, M. G. L.: Volcanoes, ice-cores and tree-rings: one story or two?, Antiquity, 84, 202–215, 2010.
Barbante, C., Kehrwald, N. M., Marianelli, P., Vinther, B. M., Steffensen, J. P., Cozzi, G., Hammer, C. U., Clausen, H. B., and Siggaard-Andersen, M.-L.: Greenland ice core evidence of the 79 AD Vesuvius eruption, Clim. Past, 9, 1221–1232, https://doi.org/10.5194/cp-9-1221-2013, 2013.
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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.