Articles | Volume 17, issue 5
https://doi.org/10.5194/cp-17-2055-2021
https://doi.org/10.5194/cp-17-2055-2021
Research article
 | 
12 Oct 2021
Research article |  | 12 Oct 2021

Seasonal climate signals preserved in biochemical varves: insights from novel high-resolution sediment scanning techniques

Paul D. Zander, Maurycy Żarczyński, Wojciech Tylmann, Shauna-kay Rainford, and Martin Grosjean

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Cited articles

Amann, B., Lobsiger, S., Fischer, D., Tylmann, W., Bonk, A., Filipiak, J., and Grosjean, M.: Spring temperature variability and eutrophication history inferred from sedimentary pigments in the varved sediments of Lake Żabińskie, north-eastern Poland, AD 1907–2008, Glob. Planet. Change, 123, 86–96, https://doi.org/10.1016/j.gloplacha.2014.10.008, 2014. 
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Benjamini, Y. and Hochberg, Y.: Controlling the False Discovery Rate: A Practical and Powerful Approach to Multiple Testing, J. R. Stat. Soc. Ser. B, 57, 289–300, https://doi.org/10.1111/j.2517-6161.1995.tb02031.x, 1995. 
Blass, A., Grosjean, M., Troxler, A., and Sturm, M.: How stable are twentieth-century calibration models? A high-resolution summer temperature reconstruction for the eastern Swiss Alps back to AD 1580 derived from proglacial varved sediments, The Holocene, 17, 51–63, https://doi.org/10.1177/0959683607073278, 2007. 
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Short summary
High-resolution geochemical imaging techniques provide new opportunities to investigate the biogeochemical composition of sediments at micrometer scale. Here, we compare biogeochemical data from biochemical varves with meteorological data to understand how seasonal meteorological variations are recorded in varve composition. We find that these scanning techniques help to clarify climate–proxy relationships in biochemical varves and show great potential for high-resolution climate reconstruction.