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A global multiproxy database for temperature reconstructions of the Common Era

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

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Julian Emile-Geay, Nicholas P. McKay, Darrell S. Kaufman, Lucien von Gunten, Jianghao Wang, Kevin J. Anchukaitis, Nerilie J. Abram, Jason A. Addison, Mark A.J. Curran, Michael N. Evans, Benjamin J. Henley, Zhixin Hao, Belen Martrat, Helen V. McGregor, Raphael Neukom, Gregory T. Pederson, Barbara Stenni, Kaustubh Thirumalai, Johannes P. Werner, Chenxi Xu, Dmitry V. Divine, Bronwyn C. Dixon, Joelle Gergis, Ignacio A. Mundo, T. Nakatsuka, Steven J. Phipps, Cody C. Routson, Eric J. Steig, Jessica E. Tierney, Jonathan J. Tyler, Kathryn J. Allen, Nancy A. N. Bertler, Jesper Bjorklund, Brian M. Chase, Min-Te Chen, Ed Cook, Rixt de Jong, Kristine L. DeLong, Daniel A. Dixon, Alexey A. Ekaykin, Vasile Ersek, Helena L. Filipsson, Pierre Francus, Mandy B. Freund, M. Frezzotti, Narayan P. Gaire, Konrad Gajewski, Quansheng Ge, Hugues Goosse, Anastasia Gornostaeva, Martin Grosjean, Kazuho Horiuchi, Anne Hormes, Katrine Husum, Elisabeth Isaksson, Selvaraj Kandasamy, Kenji Kawamura, Nalan Koc, Guillaume Leduc, Hans W. Linderholm, Andrew M. Lorrey, Vladimir Mikhalenko, P. Graham Mortyn, Hideaki Motoyama, Andrew D. Moy, Robert Mulvaney, Philipp M. Munz, David J. Nash, Hans Oerter, Thomas Opel, Anais J. Orsi, Dmitriy V. Ovchinnikov, Trevor J. Porter, Heidi Roop, Casey Saenger, Masaki Sano, David Sauchyn, K.M. Saunders, Marit-Solveig Seidenkrantz, Mirko Severi, X. Shao, Marie-Alexandrine Sicre, Michael Sigl, Kate Sinclair, Scott St. George, Jeannine-Marie St. Jacques, Meloth Thamban, Udya Kuwar Thapa, E. Thomas, Chris Turney, Ryu Uemura, A.E. Viau, Diana O. Vladimirova, Eugene Wahl, James W. C. White, Z. Yu, Jens Zinke. 2017-07-11. A global multiproxy database for temperature reconstructions of the Common Era. https://doi.org/10.1038/sdata.2017.88

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