Climate of the Past
Climate of the Past
CP
Articles | Volume 15, issue 2
Articles | Volume 15, issue 2
https://doi.org/10.5194/cp-15-521-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/cp-15-521-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 2
Research article
 | 
26 Mar 2019
Research article |  | 26 Mar 2019

Empirical estimate of the signal content of Holocene temperature proxy records

Maria Reschke, Kira Rehfeld, and Thomas Laepple

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Latest update: 29 Jul 2025
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Short summary
We empirically estimate signal-to-noise ratios of temperature proxy records used in global compilations of the middle to late Holocene by comparing the spatial correlation structure of proxy records and climate model simulations accounting for noise and time uncertainty. We find that low signal contents of the proxy records or, alternatively, more localised climate variations recorded by proxies than suggested by current model simulations suggest caution when interpreting multi-proxy datasets.
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Special issue
Paleoclimate data synthesis and analysis of associated uncertainty...