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Climate of the Past An interactive open-access journal of the European Geosciences Union
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CP | Articles | Volume 14, issue 12
Clim. Past, 14, 2053-2070, 2018
https://doi.org/10.5194/cp-14-2053-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

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

Clim. Past, 14, 2053-2070, 2018
https://doi.org/10.5194/cp-14-2053-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 20 Dec 2018

Research article | 20 Dec 2018

What climate signal is contained in decadal- to centennial-scale isotope variations from Antarctic ice cores?

Thomas Münch and Thomas Laepple
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Short summary
Proxy data on climate variations contain noise from many sources and, for reliable estimates, we need to determine those temporal scales at which the climate signal in the proxy record dominates the noise. We developed a method to derive timescale-dependent estimates of temperature proxy signal-to-noise ratios, which we apply and discuss in the context of Antarctic ice-core records but which in general are applicable to a large set of palaeoclimate records.
Proxy data on climate variations contain noise from many sources and, for reliable estimates, we...
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