A global multiproxy database for temperature reconstructions of the Common Era

Julien Emile-Geay, Nicholas McKay, Darrell Kaufman, Lucien von Gunten, Jianghao Wang, Kevin Anchukaitis, Nerilie Abram, Jason Addison, Mark Curran, Michael Evans, Benjamin Henley, Zhixin Hao, Belen Martrat, Helen McGregor, Raphael Neukom, Gregory Pederson, Barbara Stenni, Kaustubh Thirumalai, Johannes Werner, Chenxi XuDmitry Divine, Bronwyn Dixon, Joelle Gergis, Ignacio Mundo, Takeshi Nakatsuka, Steven Phipps, Cody Routson, Eric Steig, Jessica Tierney, Jonathan Tyler, Kathryn Allen, Nancy Bertler, Jesper Björklund, Brian Chase, Min-Te Chen, Ed Cook, Rixt de Jong, Kristine DeLong, Daniel Dixon, Alexey Ekaykin, Vasile Ersek, Helena Filipsson, Pierre Francus, Mandy Freund, Massimo Frezzotti, Narayan Gaire, Konrad Gajewski, Quansheng Ge, Hugues Goosse, Anastasia Gornostaeva, Martin Grosjean, Kazuho Horiuchi, Anne Hormes, Katrine Husum, Elisabeth Isaksson, Selvaraj Kandasamy, Kenji Kawamura, K. Halimeda Kilbourne, Nalan Koc, Guillaume Leduc, Hans Linderholm, Andrew Lorrey, Vladimir Mikhalenko, Graham Mortyn, Hideaki Motoyama, Andrew Moy, Robert Mulvaney, Philipp Munz, David Nash, Hans Oerter, Thomas Opel, Anais Orsi, Dmitriy Ovchinnikov, Trevor Porter, Heidi Roop, Casey Saenger, Masaki Sano, David Sauchyn, Krystyna Saunders, Marit-Solveig Seidenkrantz, Mirko Severi, Xuemei Shao, Marie-Alexandrine Sicre, Michael Sigl, Kate Sinclair, Scott St. George, Jeannine-Marie St. Jacques, Meloth Thamban, Udya Kuwar Thapa, Elizabeth Thomas, Chris Turney, Ryu Uemura, Andre Viau, Diana Vladimirova, Eugene Wahl, James White, Zicheng Yu, Jens Zinke

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Abstract

Reproducible climate reconstructions of the Common Era (1 CE to present) are key to placing industrial-era warming into the context of natural climatic variability. Here we present a community-sourced database of temperature-sensitive proxy records from the PAGES2k initiative. The database gathers 692 records from 648 locations, including all continental regions and major ocean basins. The records are from trees, ice, sediment, corals, speleothems, documentary evidence, and other archives. They range in length from 50 to 2000 years, with a median of 547 years, while temporal resolution ranges from biweekly to centennial. Nearly half of the proxy time series are significantly correlated with HadCRUT4.2 surface temperature over the period 1850-2014. Global temperature composites show a remarkable degree of coherence between high- and low-resolution archives, with broadly similar patterns across archive types, terrestrial vs marine locations, and screening criteria. The database is suited to investigations of global and regional temperature variability over the Common Era, and is shared in the Linked Paleo Data (LiPD) format, including serializations in Matlab, R and Python.
Original languageEnglish
JournalScientific data
Volume4
Issue number170088
DOIs
Publication statusPublished - 11 Jul 2017

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