Different River

”You can never step in the same river twice.” –Heraclitus

January 5, 2006

Global Warming Has Shifted Ocean Currents

Filed under: — Different River @ 3:22 am

55 Million years ago, anyway….

An extraordinary burst of global warming that occurred around 55 million years ago dramatically reversed Earth’s pattern of ocean currents, a finding that strengthens modern-day concern about climate change, a study says.

The big event, the Palaeocene/Eocene Thermal Maximum (PETM), saw the planet’s surface temperature rise by between five and eight degrees C (nine and 16.2 F) in a very short time, unleashing climate shifts that endured tens of thousands of years.

Between 5 and 8 degrees Celsius! Egads! Even nowadays, the most pessimistic estimates nowadays say we’ve only had 0.6 of a degree in the last century.

Gosh, what kind of SUVs must they have been driving 55 million years ago? Is this what wiped out the dinosaurs? Or was it too many fire-breathing dragons?

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