A global database of Holocene paleotemperature records

Kaufman, D. and McKay, N. and Routson, C. and Erb, M. and Davis, B. and Heiri, O. and Jaccard, S. and Tierney, J. and Dätwyler, C. and Axford, Y. and Brussel, T. and Cartapanis, O. and Chase, B. and Dawson, A. and de Vernal, A. and Engels, Stefan and Jonkers, L. and Marsicek, J. and Moffa-Sánchez, P. and Morrill, C. and Orsi, A. and Rehfeld, K. and Saunders, K. and Sommer, P.S. and Thomas, E. and Tonello, M. and Tóth, M. and Vachula, R. and Andreev, A. and Bertrand, S. and Biskaborn, B. and Bringué, M. and Brooks, S. and Caniupán, M. and Chevalier, M. and Cwynar, L. and Emile-Geay, J. and Fegyveresi, J. and Feurdean, A. and Finsinger, W. and Fortin, M.-C. and Foster, L. and Fox, M. and Gajewski, K. and Grosjean, M. and Hausmann, S. and Heinrichs, M. and Holmes, N. and Ilyashuk, B. and Ilyashuk, E. and Juggins, S. and Khider, D. and Koinig, K. and Langdon, P. and Larocque-Tobler, I. and Li, J. and Lotter, A. and Luoto, T. and Mackay, A. and Magyari, E. and Malevich, S. and Mark, B. and Massaferro, J. and Montade, V. and Nazarova, L. and Novenko, E. and Pařil, P. and Pearson, E. and Peros, M. and Pienitz, R. and Płóciennik, M. and Porinchu, D. and Potito, A. and Rees, A. and Reinemann, S. and Roberts, S. and Rolland, N. and Salonen, S. and Self, A. and Seppä, H. and Shala, S. and St-Jacques, J.-M. and Stenni, B. and Syrykh, L. and Tarrats, P. and Taylor, K. and van den Bos, V. and Velle, G. and Wahl, E. and Walker, I. and Wilmshurst, J. and Zhang, E. and Zhilich, S. (2020) A global database of Holocene paleotemperature records. Scientific Data 7 (1), ISSN 2052-4463.

Abstract

A comprehensive database of paleoclimate records is needed to place recent warming into the longer-term context of natural climate variability. We present a global compilation of quality-controlled, published, temperature-sensitive proxy records extending back 12,000 years through the Holocene. Data were compiled from 679 sites where time series cover at least 4000 years, are resolved at sub-millennial scale (median spacing of 400 years or finer) and have at least one age control point every 3000 years, with cut-off values slackened in data-sparse regions. The data derive from lake sediment (51%), marine sediment (31%), peat (11%), glacier ice (3%), and other natural archives. The database contains 1319 records, including 157 from the Southern Hemisphere. The multi-proxy database comprises paleotemperature time series based on ecological assemblages, as well as biophysical and geochemical indicators that reflect mean annual or seasonal temperatures, as encoded in the database. This database can be used to reconstruct the spatiotemporal evolution of Holocene temperature at global to regional scales, and is publicly available in Linked Paleo Data (LiPD) format.

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