The influence of decision-making in tree ring-based climate reconstructions

Ulf Büntgen (), Kathy Allen, Kevin J. Anchukaitis, Dominique Arseneault, Étienne Boucher, Achim Bräuning, Snigdhansu Chatterjee, Paolo Cherubini, Olga V. Churakova (Sidorova), Christophe Corona, Fabio Gennaretti, Jussi Grießinger, Sebastian Guillet, Joel Guiot, Björn Gunnarson, Samuli Helama, Philipp Hochreuther, Malcolm K. Hughes, Peter Huybers, Alexander V. Kirdyanov, Paul J. Krusic, Josef Ludescher, Wolfgang J.-H. Meier, Vladimir S. Myglan, Kurt Nicolussi, Clive Oppenheimer, Frederick Reinig, Matthew W. Salzer, Kristina Seftigen, Alexander R. Stine, Markus Stoffel, Scott George, Ernesto Tejedor, Aleyda Trevino, Valerie Trouet, Jianglin Wang, Rob Wilson, Bao Yang, Guobao Xu and Jan Esper
Additional contact information
Ulf Büntgen: University of Cambridge
Kathy Allen: University of Melbourne
Kevin J. Anchukaitis: University of Arizona
Dominique Arseneault: University of Quebec in Rimouski
Étienne Boucher: Université du Québec à Montréal
Achim Bräuning: Friedrich-Alexander-University of Erlangen-Nürnberg
Snigdhansu Chatterjee: University of Minnesota
Paolo Cherubini: Swiss Federal Research Institute (WSL)
Olga V. Churakova (Sidorova): Siberian Federal University
Christophe Corona: Geolab UMR 6042 CNRS
Fabio Gennaretti: Université du Québec en Abitibi‐Témiscamingue
Jussi Grießinger: Friedrich-Alexander-University of Erlangen-Nürnberg
Sebastian Guillet: University of Geneva
Joel Guiot: CEREGE
Björn Gunnarson: Stockholm University
Samuli Helama: Natural Resources Institute Finland
Philipp Hochreuther: Friedrich-Alexander-University of Erlangen-Nürnberg
Malcolm K. Hughes: University of Arizona
Peter Huybers: Harvard University
Alexander V. Kirdyanov: Siberian Federal University
Paul J. Krusic: University of Cambridge
Josef Ludescher: Potsdam Institute for Climate Impact Research (PIK)
Wolfgang J.-H. Meier: Friedrich-Alexander-University of Erlangen-Nürnberg
Vladimir S. Myglan: Siberian Federal University
Kurt Nicolussi: University of Innsbruck
Clive Oppenheimer: University of Cambridge
Frederick Reinig: Johannes Gutenberg University
Matthew W. Salzer: University of Arizona
Kristina Seftigen: Swiss Federal Research Institute (WSL)
Alexander R. Stine: San Francisco State University
Markus Stoffel: University of Geneva
Scott George: University of Minnesota
Ernesto Tejedor: University at Albany (SUNY)
Aleyda Trevino: Harvard University
Valerie Trouet: University of Arizona
Jianglin Wang: Chinese Academy of Sciences
Rob Wilson: University of St Andrews
Bao Yang: Chinese Academy of Sciences
Guobao Xu: University of Arizona
Jan Esper: Global Change Research Centre (CzechGlobe)

Nature Communications, 2021, vol. 12, issue 1, 1-10

Abstract: Abstract Tree-ring chronologies underpin the majority of annually-resolved reconstructions of Common Era climate. However, they are derived using different datasets and techniques, the ramifications of which have hitherto been little explored. Here, we report the results of a double-blind experiment that yielded 15 Northern Hemisphere summer temperature reconstructions from a common network of regional tree-ring width datasets. Taken together as an ensemble, the Common Era reconstruction mean correlates with instrumental temperatures from 1794–2016 CE at 0.79 (p

Date: 2021
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DOI: 10.1038/s41467-021-23627-6

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