Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE

Despite their extensive use, the absolute dating of tree-ring chronologies has not hitherto been independently validated at the global scale. Here, the identification of distinct 14C excursions in 484 individual tree rings, enable the authors to confirm the dating of 44 dendrochronologies from five...

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Auteurs principaux:	Ulf Büntgen, Lukas Wacker, J. Diego Galván, Stephanie Arnold, Dominique Arseneault, Michael Baillie, Jürg Beer, Mauro Bernabei, Niels Bleicher, Gretel Boswijk, Achim Bräuning, Marco Carrer, Fredrik Charpentier Ljungqvist, Paolo Cherubini, Marcus Christl, Duncan A. Christie, Peter W. Clark, Edward R. Cook, Rosanne D’Arrigo, Nicole Davi, Ólafur Eggertsson, Jan Esper, Anthony M. Fowler, Ze’ev Gedalof, Fabio Gennaretti, Jussi Grießinger, Henri Grissino-Mayer, Håkan Grudd, Björn E. Gunnarson, Rashit Hantemirov, Franz Herzig, Amy Hessl, Karl-Uwe Heussner, A. J. Timothy Jull, Vladimir Kukarskih, Alexander Kirdyanov, Tomáš Kolář, Paul J. Krusic, Tomáš Kyncl, Antonio Lara, Carlos LeQuesne, Hans W. Linderholm, Neil J. Loader, Brian Luckman, Fusa Miyake, Vladimir S. Myglan, Kurt Nicolussi, Clive Oppenheimer, Jonathan Palmer, Irina Panyushkina, Neil Pederson, Michal Rybníček, Fritz H. Schweingruber, Andrea Seim, Michael Sigl, Olga Churakova (Sidorova), James H. Speer, Hans-Arno Synal, Willy Tegel, Kerstin Treydte, Ricardo Villalba, Greg Wiles, Rob Wilson, Lawrence J. Winship, Jan Wunder, Bao Yang, Giles H. F. Young
Format:	article
Langue:	EN
Publié:	Nature Portfolio 2018
Sujets:	Science Q
Accès en ligne:	https://doaj.org/article/174d15bf117e45cfaff7841cf38f044d
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Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE

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