The Younger Dryas climate interval began in less than 100 years and lasted roughly 1,300 years, occurring approximately 12,900–11,600 years ago.
Notes on verification
Confirmed by multiple independent peer-reviewed sources (ScienceDirect, PNAS, EBSCO) and Britannica, with only minor variations in exact end-date figures. [tier=gold indep_score=0.983 clusters=3 claim_tier=notable]
Sources
- Younger Dryas | Definition, Causes, & Termination (seed:history_and_archaeology)
- https://www.ebsco.com/research-starters/earth-and-atmospheric-sciences/younger-dryas (corroboration)
- https://www.sciencedirect.com/science/article/abs/pii/S1040618211001480 (corroboration)
- https://www.pnas.org/doi/10.1073/pnas.2007869117 (corroboration)