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Identifying the 993–994 CE Miyake Event in the Oldest Dated Living Tree in Europe

Published online by Cambridge University Press:  14 May 2019

Gianluca Quarta ,
Alfredo Di Filippo ,
Lucio Calcagnile ,
Marisa D’Elia ,
Franco Biondi ,
Emanuele Presutti Saba ,
Michele Baliva ,
Giuseppe De Vivo ,
Aldo Schettino  and
Gianluca Piovesan
Gianluca Quarta*
Affiliation:
CEDAD (Centre for Dating and Diagnostics), Department of Mathematics and Physics “Ennio de Giorgi”, University of Salento, 73100, Lecce, Italy
Alfredo Di Filippo
Affiliation:
Dendrology Lab, Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Italy
Lucio Calcagnile
Affiliation:
CEDAD (Centre for Dating and Diagnostics), Department of Mathematics and Physics “Ennio de Giorgi”, University of Salento, 73100, Lecce, Italy
Marisa D’Elia
Affiliation:
CEDAD (Centre for Dating and Diagnostics), Department of Mathematics and Physics “Ennio de Giorgi”, University of Salento, 73100, Lecce, Italy
Franco Biondi
Affiliation:
DendroLab, Department of Natural Resources and Environmental Science, University of Nevada, Reno, NV, USA
Emanuele Presutti Saba
Affiliation:
Dendrology Lab, Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Italy
Michele Baliva
Affiliation:
Dendrology Lab, Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Italy
Giuseppe De Vivo
Affiliation:
Ente Parco Nazionale del Pollino, Rotonda (PZ), Italy
Aldo Schettino
Affiliation:
Ente Parco Nazionale del Pollino, Rotonda (PZ), Italy
Gianluca Piovesan
Affiliation:
Dendrology Lab, Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Italy
*
*Corresponding author. Email: gianluca.quarta@unisalento.it.
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Abstract

Combined dendrochronology and accelerator mass spectrometry radiocarbon (AMS 14C) dating analyses were used in order to date an old living tree named Italus, growing in the Pollino massif in Southern Italy. Wiggle match AMS 14C dating analysis was performed on a 320-yr-long floating chronology obtained by cross-dating four wood cores extracted from the exposed roots of the tree. Following this approach, an age for the tree of ≈1230 yr was estimated. This age makes Italus the oldest living tree in Europe. High-resolution 14C dating analyses performed on single rings extracted from the tree stem allowed us to identify the 993–994 CE large excursion in atmospheric 14C concentration (Miyake event) revealing for the first time its presence in the Mediterranean basin.

Keywords

993–994 CEold treesMiyake eventstree longevitywiggle matching dating
Type
Conference Paper
Information
Radiocarbon , Volume 61 , Issue 5: Radiocarbon 2018 Conference Proceedings Trondheim, Norway, June 17–22, 2018 Part 1 of 2 , October 2019 , pp. 1317 - 1325
Copyright
© 2019 by the Arizona Board of Regents on behalf of the University of Arizona 

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Footnotes

Selected Papers from the 23rd International Radiocarbon Conference, Trondheim, Norway, 17–22 June, 2018

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