Tracing ancient solar cycles with tree rings and radiocarbon in the first millennium BCE

Tracing ancient solar cycles with tree rings and radiocarbon in the first millennium BCE

Abstract The Sun drives Earth’s energy systems, influencing weather, ocean currents, and agricultural productivity. Understanding solar variability is critical, but direct observations are limited to 400 years of sunspot records. To extend this timeline, cosmic ray-produced radionuclides like 14C in...

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Bibliographic Details
Main Authors: Nicolas Brehm, Charlotte L. Pearson, Marcus Christl, Alex Bayliss, Kurt Nicolussi, Thomas Pichler, David Brown, Lukas Wacker
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-024-55757-y
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