Unlocking Ancient Climate Secrets – Melting Ice Likely Triggered Climate Change Over 8,000 Years Ago

Scientists discovered that a melting ice sheet 8,000 years ago impacted global climate patterns. The study provides insights into potential future climate effects from Greenland’s melting ice.

More than 8,000 years ago, the North Atlantic and Northern Europe experienced significant cooling because of changes to a major system of ocean currents known as the Atlantic Meridional Overturning Circulation, or AMOC.It is believed that an influx of a massive amount of freshwater into the salt-water seas of the North Atlantic caused the AMOC to break down.

The view held by many scientists was that the freshwater had come from a giant lake — Lake Agassiz-Ojibway, which was the size of the Black Sea and was situated near what is now northern Ontario -which had drained into the ocean. The authors of the study believe the study gives an insight into how the current-day melting of ice sheets in Greenland may affect global climate systems.

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