Articles | Volume 15, issue 2
Clim. Past, 15, 521–537, 2019
https://doi.org/10.5194/cp-15-521-2019

Special issue: Paleoclimate data synthesis and analysis of associated uncertainty...

Clim. Past, 15, 521–537, 2019
https://doi.org/10.5194/cp-15-521-2019

Research article 26 Mar 2019

Research article | 26 Mar 2019

Empirical estimate of the signal content of Holocene temperature proxy records

Maria Reschke et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (18 Feb 2019) by David Thornalley
AR by Maria Reschke on behalf of the Authors (05 Mar 2019)  Author's response    Manuscript
ED: Publish as is (07 Mar 2019) by David Thornalley
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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.