During the Younger Dryas, forests were replaced by tundra vegetation, even though many parts of the tropics and Southern Hemisphere became warmer and wetter.
Notes on verification
Multiple independent academic and peer-reviewed sources corroborate both the Northern Hemisphere forest-to-tundra shift and the bipolar seesaw pattern of Southern Hemisphere/tropical warming and wetting during the Younger Dryas. [tier=gold indep_score=0.867 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.researchgate.net/publication/284868803_The_Younger_Dryas_Climate_Event (corroboration)
- https://www.sciencedirect.com/science/chapter/referencework/abs/pii/B9780444536433000297 (corroboration)
- https://www.sciencedirect.com/science/article/abs/pii/S0277379118300623 (corroboration)