Mackenzie River caused global cooling 13,000 years ago, study suggests – CBC

‘It’s something very active, and it’s happening today,’ says scientist

Jul 13, 2018

A massive freshwater flood that caused a millennium-long global cooling event came from the Mackenzie River, according to a new study.

Roughly 13,000 years ago, the North Atlantic Current — an ocean current flowing between the equator, Europe and Canada — was disrupted by an influx of freshwater from melting glaciers in North America, said Lloyd Keigwin, senior scientist at the Woods Hole Oceanographic Institution.

The current eventually re-started about a thousand years later, and is a major reason why our planet has the climate it does today.

Read More: https://www.cbc.ca/news/canada/north/mackenzie-river-global-cooling-1.4742707