Study traces impacts of extreme Triassic-era global warming

Earth recovers slowly from periods of extreme global warming. Image courtesy NASA.

Carbon cycle breakdown may have enable temps to spiral out of control

By Summit Voice

SUMMIT COUNTY — One of the last episodes of extreme global warming resulted in a near-total breakdown of Earth’s biological systems — a 5-million-year ‘dead zone’ at the start of the Triassic period during which almost no new species appeared.

A study jointly led by the University of Leeds and China University of Geosciences (Wuhan), in collaboration with the University of Erlangen-Nurnburg (Germany), shows the cause of this lengthy devastation was a temperature rise to lethal levels in the tropics: around 50-60 degrees Celsius on land, and 40 degrees at the sea-surface. Continue reading

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