Presence of the Solar de Vries Cycle (∼205 years) during the Last Ice Age

Certain characteristic periodicities in the Δ14C record from tree rings, such as the well‐known 11‐yr Schwabe cycle, are known to be of solar origin. The origin of longer‐period cycles, such as the 205‐yr de Vries cycle, in the Δ14C record was less certain, and it was possible to attribute it either... View More