Articles | Volume 20, issue 6
https://doi.org/10.5194/cp-20-1415-2024
https://doi.org/10.5194/cp-20-1415-2024
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28 Jun 2024
Research article | Highlight paper |  | 28 Jun 2024

Continuous synchronization of the Greenland ice-core and U–Th timescales using probabilistic inversion

Francesco Muschitiello and Marco Antonio Aquino-Lopez

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The paper entitled "Continuous synchronization of the Greenland ice-core and U-Th timescales using probabilistic inversion" presents a first and new continuously measured transfer function that quantifies the age difference between the GICC05 and the U-Th timescale during the last ice age. The transfer function was estimated using a new automated algorithm for proxy data alignment. The approach was the subject of much discussion with the various referees who evaluated it, but it is at least described clearly enough for the community to form its own opinion and henceforth use it.
Short summary
The first continuously measured transfer functions that quantify the age difference between the Greenland ice-core chronology 2005 (GICC05) and the U–Th timescale are presented. The transfer functions were generated using a novel probabilistic algorithm for the synchronization of proxy signals. The results greatly improve the accuracy and precision of previous synchronization estimates and reveal that the annual-layer counting error of GICC05 is less systematic than previously assumed.