Discovery Board
Book or paper

Brehm et al. 2021, Eleven-year solar cycles over the last millennium revealed by radiocarbon in tree rings, Nature Geoscience

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How it connects

This book or paper is where we read about Tree-ring radiocarbon jump between the 1052 and 1053 rings (English oak STK-C10)
This book or paper is where we read about No radiocarbon spike in 1098 to 1100
This book or paper is where we read about Radiocarbon rise 1279 to 1280: three labs, three sizes