Articles | Volume 5, issue 1
Research article
03 Feb 2023
Research article |  | 03 Feb 2023

Bayesian age–depth modelling applied to varve and radiometric dating to optimize the transfer of an existing high-resolution chronology to a new composite sediment profile from Holzmaar (West Eifel Volcanic Field, Germany)

Stella Birlo, Wojciech Tylmann, and Bernd Zolitschka

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Cited articles

Anderson, R. Y. and Dean, W. E.: Lacustrine varve formation through time, Palaeogeogr. Palaeocl., 62, 215–235,, 1988. 
Baier, J., Lücke, A., Negendank, J. F. W., Schleser, G.-H., and Zolitschka, B.: Diatom and geochemical evidence of mid- to late Holocene climatic changes at Lake Holzmaar, West-Eifel (Germany), Quaternary Int., 113, 81–96,, 2004. 
Battarbee, R. W., Howells, G. D., Skeffington, R. A., Bradshaw, A. D., Battarbee, R. W., Mason, B. J., Renberg, I., and Talling, J. F.: The causes of lake acidification, with special reference to the role of acid deposition, Philos. T. R. Soc. B, 327, 339–347,, 1990. 
Berglund, B. E. (Ed.): Handbook of Holocene Palaeoecology and Palaeohydrology, John Wiley & Sons Ltd., Chichester, 869 pp., 1986. 
Birlo, S., Tylmann, W., and Zolitschka, B.: Bayesian age-depth modelling applied to varve counting and radiometric dating to develop a high-resolution chronology for a new composite sediment profile from Holzmaar (Germany), PANGAEA [data set],, 2022. 
Short summary
Sediment cores from the volcanic lake Holzmaar provide a very precise chronology based on tree-ring-like annual laminations or varves. We statistically combine this varve chronology with radiometric dating and tested three different methods to upgrade the age–depth model. However, only one of the three methods tested improved the dating accuracy considerably. With this work, an overview of different age integration methods is discussed and made available for increased future demands.