Articles | Volume 6, issue 1
https://doi.org/10.5194/gchron-6-107-2024
https://doi.org/10.5194/gchron-6-107-2024
Research article
 | 
27 Mar 2024
Research article |  | 27 Mar 2024

Bayesian integration of astrochronology and radioisotope geochronology

Robin B. Trayler, Stephen R. Meyers, Bradley B. Sageman, and Mark D. Schmitz

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Cited articles

Batenburg, S. J., De Vleeschouwer, D., Sprovieri, M., Hilgen, F. J., Gale, A. S., Singer, B. S., Koeberl, C., Coccioni, R., Claeys, P., and Montanari, A.: Orbital control on the timing of oceanic anoxia in the Late Cretaceous, Clim. Past, 12, 1995–2009, https://doi.org/10.5194/cp-12-1995-2016, 2016.  
Berger, A., Loutre, M.-F., and Laskar, J.: Stability of the astronomical frequencies over the Earth's history for paleoclimate studies, Science, 255, 560–566, 1992. 
Blaauw, M. and Christen, J. A.: Flexible paleoclimate age-depth models using an autoregressive gamma process, Bayesian Anal., 6, 457–474, https://doi.org/10.1214/11-BA618, 2011. 
Blaauw, M. and Heegaard, E.: Estimation Of Age-Depth Relationships, in: Tracking Environmental Change Using Lake Sediments, Springer, 379–413, https://doi.org/10.1007/978-94-007-2745-8_12, 2012. 
Blaauw, M., Christen, J. A., Bennett, K. D., and Reimer, P. J.: Double the dates and go for BayesImpacts of model choice, dating density and quality on chronologies, Quaternary Sci. Rev., 188, 58–66, 2018. 
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Short summary
Developing models that relate stratigraphic position to time are important because they allow the rock record to be understood in terms of absolute time, allowing global comparisons. We developed a novel method for developing these models (called age–depth models) that uses two different types of chronologic information, dated rocks, and records of variations in the Earth's orbit (astrochronology). The resulting models are very precise, which can improve understanding of past climates.
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