Scientists have finally uncovered the chain of events that transformed Antarctica from a green, forested continent into the frozen wilderness we know today. Millions of years ago, Antarctica supported rivers, forests, and even dinosaurs, but everything changed when shifting tectonic plates isolated the continent and opened a gateway for a powerful ocean current to form around it. That current, known as the Antarctic Circumpolar Current, effectively cut Antarctica off from warmer waters and triggered a dramatic global cooling event. As temperatures plunged, massive ice sheets began to expand, eventually covering nearly the entire continent and locking away enough frozen water to reshape sea levels around the world. Join us as we explore the discovery of what froze Antarctica, how a single geological change transformed an entire continent, and why the effects are still shaping Earth’s climate today.
Credit:
vladgrinch https://www.reddit.com/r/MapPorn/comments/1htey8s/what_antarctica_looks_like_without_ice/ / Reddit
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