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Timothy Heaton, University of Leeds
Wednesday 18 March 2026, 17:30-19:00
IntCal26 and Radiocarbon Dating: An essential dating method and key tracer for studying the Earth system
- đ¤ Speaker: Timothy Heaton, University of Leeds
- đ Date & Time: Wednesday 18 March 2026, 17:30 - 19:00
- đ Venue: Latimer Room, Clare College
Abstract
Radiocarbon (14C) dating provides the ultimate clock to study the past 55,000 years â allowing us to better explain our present, and accurately predict/mitigate our future. However, the variations in past levels of 14C mean that all radiocarbon dates need to be adjusted (calibrated) to be understood on a calendar scale. This calibration is provided by the IntCal Working Group, who regularly provide a set of internationally-agreed estimates of radiocarbon levels (with the last set of curves being released in 2020 â IntCal20, SHCal20, and Marine20).
A new IntCal update is currently underway (with the hope of being published in 2026/7). In this talk, I will provide an overview of progress and explain the IntCal curve generation process. I will also discuss what changes for users might be expected compared to the previous IntCal20 curves.
Series This talk is part of the Quaternary Discussion Group (QDG) series.
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