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CL5.2/GM1.3

Advances in Quaternary Geochronology (co-organized)
Convener: Geoff Duller  | Co-Conveners: Irka Hajdas , Frédéric Parrenin , Andreas Lang , Thorsten Kiefer 
Orals
 / Thu, 11 Apr, 08:30–12:00 / Room Y6
Posters
 / Attendance Thu, 11 Apr, 17:30–19:00 / Yellow Posters
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Reconstructing past climates and earth system responses to climate and environmental change relies heavily on precise and accurate chronologies. Radiocarbon dating continues to play a vital role in providing chronological control over the last 50,000 years, but advances in recent years on a range of other geochronological techniques that are applicable to the Quaternary have made available a much wider diversity of methods.

In this session, contributions are particularly welcome that aim to (1) reduce, quantify and express dating uncertainties in any dating method, including high-resolution radiocarbon approaches, (2) use established geochronological methods to answer new questions, (3) use new methods to address longstanding issues, or (4) combine different chronometric techniques for improved results, including the analysis of chronological data sets with novel methods, such as Bayesian age-depth modelling. Applications may aim to understand long term landscape evolution, quantify rates of geomorphological processes, or provide chronologies for records of climate change. The session also welcomes papers on dating ice cores, including progress towards a new Antarctic deep core age scale.