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A global multiproxy database for temperature reconstructions of the Common Era

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journal contribution
posted on 20.08.2019, 15:30 by J Emile-Geay, NP McKay, DS Kaufman, L von Gunten, J Wang, KJ Anchukaitis, NJ Abram, JA Addison, MA Curran, MN Evans, BJ Henley, Z Hao, B Martrat, HV McGregor, R Neukom, GT Pederson, B Stenni, K Thirumalai, JP Werner, C Xu, DV Divine, BC Dixon, J Gergis, IA Mundo, T Nakatsuka, SJ Phipps, CC Routson, EJ Steig, JE Tierney, JJ Tyler, KJ Allen, NA Bertler, J Björklund, BM Chase, M-T Chen, E Cook, R de Jong, KL DeLong, DA Dixon, AA Ekaykin, V Ersek, HL Filipsson, P Francus, MB Freund, M Frezzotti, NP Gaire, K Gajewski, Q Ge, H Goosse, A Gornostaeva, M Grosjean, K Horiuchi, A Hormes, K Husum, E Isaksson, S Kandasamy, K Kawamura, KH Kilbourne, N Koç, G Leduc, HW Linderholm, AM Lorrey, V Mikhalenko, PG Mortyn, H Motoyama, AD Moy, R Mulvaney, PM Munz, DJ Nash, H Oerter, T Opel, AJ Orsi, DV Ovchinnikov, TJ Porter, HA Roop, C Saenger, M Sano, D Sauchyn, KM Saunders, M-S Seidenkrantz, M Severi, X Shao, M-A Sicre, M Sigl, K Sinclair, S St. George, J-M St. Jacques, M Thamban, U Kuwar Thapa, ER Thomas, C Turney, R Uemura, AE Viau, DO Vladimirova, ER Wahl, JW White, Z Yu, J Zinke
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.

Funding

PAGES, a core project of Future Earth, is supported by the U.S. and Swiss National Science Foundations. John Wesley Powell Center for Analysis and Synthesis, funded by the U.S. Geological Survey.

History

Citation

Scientific Data, 2017, 4, pp. 170088

Author affiliation

/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/School of Geography, Geology and the Environment

Version

VoR (Version of Record)

Published in

Scientific Data

Publisher

Springer Nature

eissn

2052-4463

Acceptance date

03/05/2917

Copyright date

2017

Available date

20/08/2019

Notes

Supplementary material is available from the publisher website at https://doi.org/10.1038/sdata.2017.88

Language

en

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