Articles | Volume 18, issue 10
https://doi.org/10.5194/cp-18-2321-2022
https://doi.org/10.5194/cp-18-2321-2022
Research article
 | 
19 Oct 2022
Research article |  | 19 Oct 2022

The 8.2 ka event in northern Spain: timing, structure and climatic impact from a multi-proxy speleothem record

Hege Kilhavn, Isabelle Couchoud, Russell N. Drysdale, Carlos Rossi, John Hellstrom, Fabien Arnaud, and Henri Wong

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Cited articles

Ait Brahim, Y., Wassenburg, J. A., Sha, L., Cruz, F. W., Deininger, M., Sifeddine, A., Bouchaou, L., Spötl, C., Edwards, R. L., and Cheng, H.: North Atlantic Ice-Rafting, Ocean and Atmospheric Circulation During the Holocene: Insights From Western Mediterranean Speleothems, Geophys. Res. Lett., 46, 7614–7623, https://doi.org/10.1029/2019GL082405, 2019. 
Alley, R. B. and Ágústsdóttir, A. M.: The 8k event: cause and consequences of a major Holocene abrupt climate change, Quaternary Sci. Rev., 24, 1123–1149, https://doi.org/10.1016/j.quascirev.2004.12.004, 2005. 
Alley, R. B., Mayewski, P. A., Sowers, T., Stuiver, M., Taylor, K. C., and Clark, P. U.: Holocene climatic instability: A prominent, widespread event 8200 yr ago, Geology, 25, 483–486, https://doi.org/10.1130/0091-7613(1997)025<0483:Hciapw>2.3.Co;2, 1997. 
Ancell, R. and Célis, R.: Termopluviometría de Cantabria durante el periodo 1981–2010, Agencia Estatal de Meteorología (AEMET) 10, 1–20, https://doi.org/10.31978/281-12-014-0​​​​​​​, 2013. 
Andersen, N., Lauterbach, S., Erlenkeuser, H., Danielopol, D. L., Namiotko, T., Hüls, M., Belmecheri, S., Dulski, P., Nantke, C., Meyer, H., Chapligin, B., von Grafenstein, U., and Brauer, A.: Evidence for higher-than-average air temperatures after the 8.2 ka event provided by a Central European δ18O record, Quaternary Sci. Rev., 172, 96–108, https://doi.org/10.1016/j.quascirev.2017.08.001, 2017. 
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Short summary
The analysis of stable carbon and oxygen isotopic ratios, trace element ratios, and growth rate from a Spanish speleothem provides quantitative information on past hydrological conditions during the early Holocene in south-western Europe. Our data show that the cave site experienced increased effective recharge during the 8.2 ka event. Additionally, the oxygen isotopes indicate a change in the isotopic composition of the moisture source, associated with the meltwater flux to the North Atlantic.