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Eleven-year solar cycles over the last millennium revealed by radiocarbon in tree rings

Nicolas Brehm, Alex Bayliss, Marcus Christl, Hans-Arno Synal, Florian Adolphi, Jürg Beer, Bernd Kromer, Raimund Muscheler, Sami K. Solanki, Ilya Usoskin, Niels Bleicher, Silvia Bollhalder, Cathy Tyers, Lukas Wacker

Nature Geoscience, 2021. DOI 10.1038/s41561-020-00674-0

Has this study been replicated?

The atlas records 1 replication of this study. Recorded outcomes: 1 failed. The earliest on record is from 2024.

Replications

• New data fails to replicate the small-scale radiocarbon anomalies in the early second millennium CE, Scifo et al. (2024). Radiocarbon. Outcome recorded: failed. Our results, although statistically consistent with those presented in the original publication, show effectively no increase in Δ 14 C (1 and 2.5 times the measurement error, respectively). Outcome read from the abstract. View paper

Cite this record

Brehm, N., Bayliss, A., Christl, M., Synal, H.-A., Adolphi, F., Beer, J., Kromer, B., Muscheler, R., Solanki, S. K., Usoskin, I., Bleicher, N., Bollhalder, S., Tyers, C., & Wacker, L. (2021). Eleven-year solar cycles over the last millennium revealed by radiocarbon in tree rings. Nature Geoscience, 14(1), 10–15. https://doi.org/10.1038/s41561-020-00674-0

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