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DatasetsYounger Dryas impact hypothesisThe 354 radiocarbon and other dates from 23 sections used to model the boundary age (Kennett et al. 2015)
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The 354 radiocarbon and other dates from 23 sections used to model the boundary age (Kennett et al. 2015)

In the Supporting Information, with the OxCal models. A correction to the SI was published in 2024 (doi:10.1073/pnas.2411213121). This is the table on which the synchrony claim rests; refitting site-by-site age-depth models with all published dates is the obvious re-analysis.

Younger Dryas impact hypothesisYounger Dryas impact hypothesisVersion 1.0Licence The maker'sUpdated 26 Oct 2026

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