Collapse of Eurasian Ice Sheet 14,000 Years Ago Raised Sea Levels by 26 Feet (8 Meters) – So What Are the Risks Today?

The melting of the Eurasian ice sheet around 14,000 years ago lifted global sea levels by about eight meters (26 feet).

So what about the risks of today’s rapid ice cap melt?

Earth’s last Glacial Maximum period began around 33,000 years ago, when vast ice sheets covered much of the Northern Hemisphere.

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At the time, the Eurasian ice sheet — which covered much of Scandinavia — contained approximately three times the amount of frozen water held in the modern-day Greenland ice sheet.

But rapid regional warming saw the ice sheet collapse over a period of just 500 years, according to authors of the study published in Nature Geoscience.

Analysing sediment drill cores from the Norwegian Sea, the team found that the ice sheet’s collapse contributed to an event known as Meltwater 1A — a period that saw as much as 25 meters (82 feet) added to global sea levels between 13,500-14,700 years ago.

Note: OMG, can you imagine that? 25 meters (82 feet)!

The Eurasian ice sheet melt coincided with vast regional temperature swings.

Studies of ice cores drilled from the Greenland ice sheet have suggested that the atmosphere above Greenland warmed by up to 14°C in a few decades at this time,” he told AFP.

We think that this warming was the main driver of the ice sheet collapse.”

Note: And as you see 14°C in a few decades is much more than the temperature rise we are currently measuring around the world.

The study showed that the entire Eurasian ice sheet melted in a matter of a few centuries, adding more than four centimetres to sea levels annually — around 4.5-7.9 metres in total.

Our research support this idea as the marine based sectors of the Eurasian ice sheet abruptly disappeared and did not grow back,” said Brendryen.

Where the exact tipping-points are located, both for the past ice sheets and the current ice sheets in Greenland and Antarctica, remain however unknown.

The climate change that occurred a few thousands years ago, was much more insane that what we are experiencing today. So what about the risks of today’s rapid ice cap melt? The world could look like this… But I think we are still far away from the dramaturgy of the Eurasian ice sheet melting and collapse. More extreme environmental events on Strange Sounds and The Remnants. []

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